[JENKINS] Solr-main-MacOSX (64bit/hotspot/jdk-19) - Build # 4229 - Still unstable!

[Policeman Jenkins Server]

Build: https://jenkins.thetaphi.de/job/Solr-main-MacOSX/4229/
Java: 64bit/hotspot/jdk-19 -XX:+UseCompressedOops -XX:+UseG1GC

4 tests failed.
FAILED:  
org.apache.solr.cloud.SolrCloudExampleTest.testLoadDocsIntoGettingStartedCollection

Error Message:
java.lang.AssertionError: *:* found unexpected number of documents 
expected:<32> but was:<30>

Stack Trace:
java.lang.AssertionError: *:* found unexpected number of documents 
expected:<32> but was:<30>
        at 
__randomizedtesting.SeedInfo.seed([BA49FDB867A853:13D97B92890811F5]:0)
        at org.junit.Assert.fail(Assert.java:89)
        at org.junit.Assert.failNotEquals(Assert.java:835)
        at org.junit.Assert.assertEquals(Assert.java:647)
        at 
org.apache.solr.cloud.SolrCloudExampleTest.testLoadDocsIntoGettingStartedCollection(SolrCloudExampleTest.java:145)
        at 
java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
        at java.base/java.lang.reflect.Method.invoke(Method.java:578)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1758)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:946)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:982)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:996)
        at 
org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsFixedStatement.callStatement(BaseDistributedSearchTestCase.java:1069)
        at 
org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsStatement.evaluate(BaseDistributedSearchTestCase.java:1040)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:80)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
org.apache.lucene.tests.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:48)
        at 
org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
org.apache.lucene.tests.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:45)
        at 
org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
        at 
org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:843)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:490)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:955)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:840)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:891)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:902)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:80)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.tests.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:38)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.tests.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
        at 
org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
        at 
org.apache.lucene.tests.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:47)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:850)
        at java.base/java.lang.Thread.run(Thread.java:1589)


FAILED:  
org.apache.solr.cluster.placement.impl.PlacementPluginIntegrationTest.testDynamicReconfiguration

Error Message:
java.lang.AssertionError

Stack Trace:
java.lang.AssertionError
        at 
__randomizedtesting.SeedInfo.seed([BA49FDB867A853:FADF0E5AF6CA3A68]:0)
        at org.junit.Assert.fail(Assert.java:87)
        at org.junit.Assert.assertTrue(Assert.java:42)
        at org.junit.Assert.assertNotNull(Assert.java:713)
        at org.junit.Assert.assertNotNull(Assert.java:723)
        at 
org.apache.solr.cluster.placement.impl.PlacementPluginIntegrationTest.testDynamicReconfiguration(PlacementPluginIntegrationTest.java:199)
        at 
java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
        at java.base/java.lang.reflect.Method.invoke(Method.java:578)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1758)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:946)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:982)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:996)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:80)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
org.apache.lucene.tests.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:48)
        at 
org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
org.apache.lucene.tests.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:45)
        at 
org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
        at 
org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:843)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:490)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:955)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:840)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:891)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:902)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:80)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.tests.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:38)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.tests.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
        at 
org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
        at 
org.apache.lucene.tests.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:47)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:850)
        at java.base/java.lang.Thread.run(Thread.java:1589)


FAILED:  
org.apache.solr.hdfs.cloud.api.collections.TestHdfsCloudBackupRestore.classMethod

Error Message:
java.lang.AssertionError: ObjectTracker found 7 object(s) that were not 
released!!! [InternalHttpClient, SolrCore, InternalHttpClient, MMapDirectory, 
MMapDirectory, MMapDirectory, MMapDirectory]
org.apache.http.impl.client.InternalHttpClient:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:378)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:275)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:325)
        at 
org.apache.solr.handler.ReplicationHandler.inform(ReplicationHandler.java:1264)
        at 
org.apache.solr.cloud.ReplicateFromLeader.startReplication(ReplicateFromLeader.java:119)
        at 
org.apache.solr.cloud.ZkController.startReplicationFromLeader(ZkController.java:1445)
        at 
org.apache.solr.cloud.RecoveryStrategy.doSyncOrReplicateRecovery(RecoveryStrategy.java:743)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:340)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:316)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:312)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)
Caused by: java.lang.Exception: Submitter stack trace
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:279)
        at 
java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:123)
        at 
com.codahale.metrics.InstrumentedExecutorService.submit(InstrumentedExecutorService.java:104)
        at 
org.apache.solr.update.DefaultSolrCoreState$2.run(DefaultSolrCoreState.java:349)
        ... 7 more

org.apache.solr.core.SolrCore:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.solr.core.SolrCore
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1235)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1057)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1713)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1579)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:118)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:408)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:374)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:235)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.lambda$submitAsyncTask$0(CoreAdminHandler.java:475)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:312)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)
Caused by: java.lang.Exception: Submitter stack trace
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:279)
        at 
com.codahale.metrics.InstrumentedExecutorService.execute(InstrumentedExecutorService.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.submitAsyncTask(CoreAdminHandler.java:492)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:242)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:968)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:916)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:575)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:254)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilter$0(SolrDispatchFilter.java:215)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:247)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:211)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:209)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:192)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:187)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        ... 1 more

org.apache.http.impl.client.InternalHttpClient:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:378)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:275)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:325)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:463)
        at 
org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:250)
        at 
org.apache.solr.cloud.RecoveryStrategy.doSyncOrReplicateRecovery(RecoveryStrategy.java:712)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:340)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:316)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:312)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)
Caused by: java.lang.Exception: Submitter stack trace
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:279)
        at 
java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:123)
        at 
com.codahale.metrics.InstrumentedExecutorService.submit(InstrumentedExecutorService.java:104)
        at 
org.apache.solr.update.DefaultSolrCoreState$2.run(DefaultSolrCoreState.java:349)
        ... 7 more

org.apache.lucene.store.MMapDirectory:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:406)
        at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:616)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1131)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1057)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1713)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1579)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:118)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:408)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:374)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:235)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.lambda$submitAsyncTask$0(CoreAdminHandler.java:475)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:312)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)
Caused by: java.lang.Exception: Submitter stack trace
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:279)
        at 
com.codahale.metrics.InstrumentedExecutorService.execute(InstrumentedExecutorService.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.submitAsyncTask(CoreAdminHandler.java:492)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:242)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:968)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:916)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:575)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:254)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilter$0(SolrDispatchFilter.java:215)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:247)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:211)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:209)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:192)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:187)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        ... 1 more

org.apache.lucene.store.MMapDirectory:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:406)
        at 
org.apache.solr.update.SolrIndexWriter.create(SolrIndexWriter.java:108)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:905)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1135)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1057)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1713)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1579)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:118)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:408)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:374)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:235)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.lambda$submitAsyncTask$0(CoreAdminHandler.java:475)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:312)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)
Caused by: java.lang.Exception: Submitter stack trace
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:279)
        at 
com.codahale.metrics.InstrumentedExecutorService.execute(InstrumentedExecutorService.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.submitAsyncTask(CoreAdminHandler.java:492)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:242)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:968)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:916)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:575)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:254)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilter$0(SolrDispatchFilter.java:215)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:247)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:211)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:209)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:192)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:187)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        ... 1 more

org.apache.lucene.store.MMapDirectory:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:406)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:626)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:436)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:467)
        at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1229)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:358)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)

org.apache.lucene.store.MMapDirectory:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:406)
        at org.apache.solr.core.SolrCore.getNewIndexDir(SolrCore.java:421)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:866)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1135)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1057)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1713)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1579)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:118)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:408)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:374)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:235)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.lambda$submitAsyncTask$0(CoreAdminHandler.java:475)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:312)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)
Caused by: java.lang.Exception: Submitter stack trace
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:279)
        at 
com.codahale.metrics.InstrumentedExecutorService.execute(InstrumentedExecutorService.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.submitAsyncTask(CoreAdminHandler.java:492)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:242)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:968)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:916)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:575)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:254)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilter$0(SolrDispatchFilter.java:215)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:247)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:211)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:209)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:192)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:187)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        ... 1 more

 expected null, but was:<ObjectTracker found 7 object(s) that were not 
released!!! [InternalHttpClient, SolrCore, InternalHttpClient, MMapDirectory, 
MMapDirectory, MMapDirectory, MMapDirectory]
org.apache.http.impl.client.InternalHttpClient:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:378)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:275)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:325)
        at 
org.apache.solr.handler.ReplicationHandler.inform(ReplicationHandler.java:1264)
        at 
org.apache.solr.cloud.ReplicateFromLeader.startReplication(ReplicateFromLeader.java:119)
        at 
org.apache.solr.cloud.ZkController.startReplicationFromLeader(ZkController.java:1445)
        at 
org.apache.solr.cloud.RecoveryStrategy.doSyncOrReplicateRecovery(RecoveryStrategy.java:743)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:340)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:316)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:312)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)
Caused by: java.lang.Exception: Submitter stack trace
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:279)
        at 
java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:123)
        at 
com.codahale.metrics.InstrumentedExecutorService.submit(InstrumentedExecutorService.java:104)
        at 
org.apache.solr.update.DefaultSolrCoreState$2.run(DefaultSolrCoreState.java:349)
        ... 7 more

org.apache.solr.core.SolrCore:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.solr.core.SolrCore
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1235)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1057)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1713)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1579)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:118)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:408)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:374)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:235)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.lambda$submitAsyncTask$0(CoreAdminHandler.java:475)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:312)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)
Caused by: java.lang.Exception: Submitter stack trace
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:279)
        at 
com.codahale.metrics.InstrumentedExecutorService.execute(InstrumentedExecutorService.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.submitAsyncTask(CoreAdminHandler.java:492)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:242)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:968)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:916)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:575)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:254)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilter$0(SolrDispatchFilter.java:215)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:247)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:211)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:209)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:192)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:187)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        ... 1 more

org.apache.http.impl.client.InternalHttpClient:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:378)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:275)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:325)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:463)
        at 
org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:250)
        at 
org.apache.solr.cloud.RecoveryStrategy.doSyncOrReplicateRecovery(RecoveryStrategy.java:712)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:340)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:316)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:312)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)
Caused by: java.lang.Exception: Submitter stack trace
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:279)
        at 
java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:123)
        at 
com.codahale.metrics.InstrumentedExecutorService.submit(InstrumentedExecutorService.java:104)
        at 
org.apache.solr.update.DefaultSolrCoreState$2.run(DefaultSolrCoreState.java:349)
        ... 7 more

org.apache.lucene.store.MMapDirectory:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:406)
        at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:616)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1131)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1057)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1713)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1579)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:118)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:408)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:374)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:235)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.lambda$submitAsyncTask$0(CoreAdminHandler.java:475)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:312)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)
Caused by: java.lang.Exception: Submitter stack trace
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:279)
        at 
com.codahale.metrics.InstrumentedExecutorService.execute(InstrumentedExecutorService.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.submitAsyncTask(CoreAdminHandler.java:492)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:242)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:968)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:916)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:575)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:254)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilter$0(SolrDispatchFilter.java:215)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:247)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:211)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:209)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:192)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:187)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        ... 1 more

org.apache.lucene.store.MMapDirectory:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:406)
        at 
org.apache.solr.update.SolrIndexWriter.create(SolrIndexWriter.java:108)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:905)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1135)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1057)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1713)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1579)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:118)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:408)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:374)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:235)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.lambda$submitAsyncTask$0(CoreAdminHandler.java:475)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:312)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)
Caused by: java.lang.Exception: Submitter stack trace
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:279)
        at 
com.codahale.metrics.InstrumentedExecutorService.execute(InstrumentedExecutorService.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.submitAsyncTask(CoreAdminHandler.java:492)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:242)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:968)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:916)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:575)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:254)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilter$0(SolrDispatchFilter.java:215)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:247)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:211)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:209)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:192)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:187)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        ... 1 more

org.apache.lucene.store.MMapDirectory:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:406)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:626)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:436)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:467)
        at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1229)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:358)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)

org.apache.lucene.store.MMapDirectory:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:406)
        at org.apache.solr.core.SolrCore.getNewIndexDir(SolrCore.java:421)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:866)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1135)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1057)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1713)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1579)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:118)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:408)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:374)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:235)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.lambda$submitAsyncTask$0(CoreAdminHandler.java:475)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:312)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)
Caused by: java.lang.Exception: Submitter stack trace
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:279)
        at 
com.codahale.metrics.InstrumentedExecutorService.execute(InstrumentedExecutorService.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.submitAsyncTask(CoreAdminHandler.java:492)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:242)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:968)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:916)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:575)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:254)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilter$0(SolrDispatchFilter.java:215)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:247)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:211)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:209)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:192)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:187)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        ... 1 more

>

Stack Trace:
java.lang.AssertionError: ObjectTracker found 7 object(s) that were not 
released!!! [InternalHttpClient, SolrCore, InternalHttpClient, MMapDirectory, 
MMapDirectory, MMapDirectory, MMapDirectory]
org.apache.http.impl.client.InternalHttpClient:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:378)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:275)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:325)
        at 
org.apache.solr.handler.ReplicationHandler.inform(ReplicationHandler.java:1264)
        at 
org.apache.solr.cloud.ReplicateFromLeader.startReplication(ReplicateFromLeader.java:119)
        at 
org.apache.solr.cloud.ZkController.startReplicationFromLeader(ZkController.java:1445)
        at 
org.apache.solr.cloud.RecoveryStrategy.doSyncOrReplicateRecovery(RecoveryStrategy.java:743)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:340)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:316)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:312)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)
Caused by: java.lang.Exception: Submitter stack trace
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:279)
        at 
java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:123)
        at 
com.codahale.metrics.InstrumentedExecutorService.submit(InstrumentedExecutorService.java:104)
        at 
org.apache.solr.update.DefaultSolrCoreState$2.run(DefaultSolrCoreState.java:349)
        ... 7 more

org.apache.solr.core.SolrCore:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.solr.core.SolrCore
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1235)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1057)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1713)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1579)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:118)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:408)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:374)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:235)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.lambda$submitAsyncTask$0(CoreAdminHandler.java:475)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:312)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)
Caused by: java.lang.Exception: Submitter stack trace
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:279)
        at 
com.codahale.metrics.InstrumentedExecutorService.execute(InstrumentedExecutorService.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.submitAsyncTask(CoreAdminHandler.java:492)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:242)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:968)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:916)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:575)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:254)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilter$0(SolrDispatchFilter.java:215)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:247)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:211)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:209)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:192)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:187)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        ... 1 more

org.apache.http.impl.client.InternalHttpClient:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:378)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:275)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:325)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:463)
        at 
org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:250)
        at 
org.apache.solr.cloud.RecoveryStrategy.doSyncOrReplicateRecovery(RecoveryStrategy.java:712)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:340)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:316)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:312)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)
Caused by: java.lang.Exception: Submitter stack trace
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:279)
        at 
java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:123)
        at 
com.codahale.metrics.InstrumentedExecutorService.submit(InstrumentedExecutorService.java:104)
        at 
org.apache.solr.update.DefaultSolrCoreState$2.run(DefaultSolrCoreState.java:349)
        ... 7 more

org.apache.lucene.store.MMapDirectory:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:406)
        at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:616)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1131)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1057)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1713)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1579)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:118)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:408)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:374)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:235)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.lambda$submitAsyncTask$0(CoreAdminHandler.java:475)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:312)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)
Caused by: java.lang.Exception: Submitter stack trace
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:279)
        at 
com.codahale.metrics.InstrumentedExecutorService.execute(InstrumentedExecutorService.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.submitAsyncTask(CoreAdminHandler.java:492)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:242)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:968)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:916)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:575)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:254)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilter$0(SolrDispatchFilter.java:215)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:247)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:211)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:209)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:192)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:187)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        ... 1 more

org.apache.lucene.store.MMapDirectory:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:406)
        at 
org.apache.solr.update.SolrIndexWriter.create(SolrIndexWriter.java:108)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:905)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1135)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1057)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1713)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1579)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:118)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:408)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:374)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:235)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.lambda$submitAsyncTask$0(CoreAdminHandler.java:475)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:312)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)
Caused by: java.lang.Exception: Submitter stack trace
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:279)
        at 
com.codahale.metrics.InstrumentedExecutorService.execute(InstrumentedExecutorService.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.submitAsyncTask(CoreAdminHandler.java:492)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:242)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:968)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:916)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:575)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:254)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilter$0(SolrDispatchFilter.java:215)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:247)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:211)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:209)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:192)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:187)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        ... 1 more

org.apache.lucene.store.MMapDirectory:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:406)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:626)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:436)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:467)
        at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1229)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:358)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)

org.apache.lucene.store.MMapDirectory:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:406)
        at org.apache.solr.core.SolrCore.getNewIndexDir(SolrCore.java:421)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:866)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1135)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1057)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1713)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1579)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:118)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:408)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:374)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:235)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.lambda$submitAsyncTask$0(CoreAdminHandler.java:475)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:312)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)
Caused by: java.lang.Exception: Submitter stack trace
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:279)
        at 
com.codahale.metrics.InstrumentedExecutorService.execute(InstrumentedExecutorService.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.submitAsyncTask(CoreAdminHandler.java:492)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:242)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:968)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:916)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:575)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:254)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilter$0(SolrDispatchFilter.java:215)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:247)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:211)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:209)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:192)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:187)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        ... 1 more

 expected null, but was:<ObjectTracker found 7 object(s) that were not 
released!!! [InternalHttpClient, SolrCore, InternalHttpClient, MMapDirectory, 
MMapDirectory, MMapDirectory, MMapDirectory]
org.apache.http.impl.client.InternalHttpClient:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:378)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:275)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:325)
        at 
org.apache.solr.handler.ReplicationHandler.inform(ReplicationHandler.java:1264)
        at 
org.apache.solr.cloud.ReplicateFromLeader.startReplication(ReplicateFromLeader.java:119)
        at 
org.apache.solr.cloud.ZkController.startReplicationFromLeader(ZkController.java:1445)
        at 
org.apache.solr.cloud.RecoveryStrategy.doSyncOrReplicateRecovery(RecoveryStrategy.java:743)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:340)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:316)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:312)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)
Caused by: java.lang.Exception: Submitter stack trace
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:279)
        at 
java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:123)
        at 
com.codahale.metrics.InstrumentedExecutorService.submit(InstrumentedExecutorService.java:104)
        at 
org.apache.solr.update.DefaultSolrCoreState$2.run(DefaultSolrCoreState.java:349)
        ... 7 more

org.apache.solr.core.SolrCore:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.solr.core.SolrCore
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1235)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1057)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1713)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1579)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:118)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:408)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:374)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:235)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.lambda$submitAsyncTask$0(CoreAdminHandler.java:475)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:312)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)
Caused by: java.lang.Exception: Submitter stack trace
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:279)
        at 
com.codahale.metrics.InstrumentedExecutorService.execute(InstrumentedExecutorService.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.submitAsyncTask(CoreAdminHandler.java:492)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:242)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:968)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:916)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:575)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:254)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilter$0(SolrDispatchFilter.java:215)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:247)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:211)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:209)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:192)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:187)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        ... 1 more

org.apache.http.impl.client.InternalHttpClient:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:378)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:275)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:325)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:463)
        at 
org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:250)
        at 
org.apache.solr.cloud.RecoveryStrategy.doSyncOrReplicateRecovery(RecoveryStrategy.java:712)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:340)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:316)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:312)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)
Caused by: java.lang.Exception: Submitter stack trace
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:279)
        at 
java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:123)
        at 
com.codahale.metrics.InstrumentedExecutorService.submit(InstrumentedExecutorService.java:104)
        at 
org.apache.solr.update.DefaultSolrCoreState$2.run(DefaultSolrCoreState.java:349)
        ... 7 more

org.apache.lucene.store.MMapDirectory:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:406)
        at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:616)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1131)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1057)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1713)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1579)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:118)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:408)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:374)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:235)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.lambda$submitAsyncTask$0(CoreAdminHandler.java:475)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:312)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)
Caused by: java.lang.Exception: Submitter stack trace
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:279)
        at 
com.codahale.metrics.InstrumentedExecutorService.execute(InstrumentedExecutorService.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.submitAsyncTask(CoreAdminHandler.java:492)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:242)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:968)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:916)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:575)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:254)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilter$0(SolrDispatchFilter.java:215)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:247)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:211)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:209)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:192)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:187)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        ... 1 more

org.apache.lucene.store.MMapDirectory:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:406)
        at 
org.apache.solr.update.SolrIndexWriter.create(SolrIndexWriter.java:108)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:905)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1135)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1057)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1713)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1579)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:118)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:408)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:374)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:235)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.lambda$submitAsyncTask$0(CoreAdminHandler.java:475)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:312)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)
Caused by: java.lang.Exception: Submitter stack trace
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:279)
        at 
com.codahale.metrics.InstrumentedExecutorService.execute(InstrumentedExecutorService.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.submitAsyncTask(CoreAdminHandler.java:492)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:242)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:968)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:916)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:575)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:254)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilter$0(SolrDispatchFilter.java:215)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:247)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:211)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:209)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:192)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:187)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        ... 1 more

org.apache.lucene.store.MMapDirectory:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:406)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:626)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:436)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:467)
        at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1229)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:358)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)

org.apache.lucene.store.MMapDirectory:org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException:
 org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:54)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:406)
        at org.apache.solr.core.SolrCore.getNewIndexDir(SolrCore.java:421)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:866)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1135)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1057)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1713)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1579)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:118)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:408)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:374)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:235)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.lambda$submitAsyncTask$0(CoreAdminHandler.java:475)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:312)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)
Caused by: java.lang.Exception: Submitter stack trace
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:279)
        at 
com.codahale.metrics.InstrumentedExecutorService.execute(InstrumentedExecutorService.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CoreAdminAsyncTracker.submitAsyncTask(CoreAdminHandler.java:492)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:242)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:238)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:968)
        at 
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:916)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:575)
        at 
org.apache.solr.servlet.SolrDispatchFilter.dispatch(SolrDispatchFilter.java:254)
        at 
org.apache.solr.servlet.SolrDispatchFilter.lambda$doFilter$0(SolrDispatchFilter.java:215)
        at 
org.apache.solr.servlet.ServletUtils.traceHttpRequestExecution2(ServletUtils.java:247)
        at 
org.apache.solr.servlet.ServletUtils.rateLimitRequest(ServletUtils.java:211)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:209)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:192)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.apache.solr.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:187)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:790)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
        at org.eclipse.jetty.server.Server.handle(Server.java:563)
        at 
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
        ... 1 more

>
        at org.junit.Assert.fail(Assert.java:89)
        at org.junit.Assert.failNotNull(Assert.java:756)
        at org.junit.Assert.assertNull(Assert.java:738)
        at 
org.apache.solr.SolrTestCase$1.afterIfSuccessful(SolrTestCase.java:100)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:37)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:80)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.tests.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:38)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.tests.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
        at 
org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
        at 
org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
        at 
org.apache.lucene.tests.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:47)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:850)
        at java.base/java.lang.Thread.run(Thread.java:1589)


FAILED:  
org.apache.solr.hdfs.cloud.api.collections.TestHdfsCloudBackupRestore.classMethod

Error Message:
com.carrotsearch.randomizedtesting.ThreadLeakError: 1 thread leaked from SUITE 
scope at org.apache.solr.hdfs.cloud.api.collections.TestHdfsCloudBackupRestore: 
   1) Thread[id=729, name=indexFetcher-255-thread-1, state=TIMED_WAITING, 
group=TGRP-TestHdfsCloudBackupRestore]
        at java.base/java.lang.Object.wait0(Native Method)
        at java.base/java.lang.Object.wait(Object.java:366)
        at 
org.apache.solr.core.CachingDirectoryFactory.close(CachingDirectoryFactory.java:175)
        at org.apache.solr.core.SolrCore.doClose(SolrCore.java:1868)
        at org.apache.solr.core.SolrCore.close(SolrCore.java:1732)
        at 
org.apache.solr.handler.IndexFetcher.openNewSearcherAndUpdateCommitPoint(IndexFetcher.java:1069)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:787)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:436)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:467)
        at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1229)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:358)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 1 thread leaked from SUITE 
scope at org.apache.solr.hdfs.cloud.api.collections.TestHdfsCloudBackupRestore: 
   1) Thread[id=729, name=indexFetcher-255-thread-1, state=TIMED_WAITING, 
group=TGRP-TestHdfsCloudBackupRestore]
        at java.base/java.lang.Object.wait0(Native Method)
        at java.base/java.lang.Object.wait(Object.java:366)
        at 
org.apache.solr.core.CachingDirectoryFactory.close(CachingDirectoryFactory.java:175)
        at org.apache.solr.core.SolrCore.doClose(SolrCore.java:1868)
        at org.apache.solr.core.SolrCore.close(SolrCore.java:1732)
        at 
org.apache.solr.handler.IndexFetcher.openNewSearcherAndUpdateCommitPoint(IndexFetcher.java:1069)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:787)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:436)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:467)
        at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1229)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:358)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1589)
        at __randomizedtesting.SeedInfo.seed([BA49FDB867A853]:0)