Build: https://jenkins.thetaphi.de/job/Lucene-Solr-8.x-Linux/4739/
Java: 64bit/jdk-14.0.1 -XX:+UseCompressedOops -XX:+UseSerialGC

2 tests failed.
FAILED:  
junit.framework.TestSuite.org.apache.solr.cloud.api.collections.TestHdfsCloudBackupRestore

Error Message:
ObjectTracker found 7 object(s) that were not released!!! [MMapDirectory, 
InternalHttpClient, SolrCore, MMapDirectory, InternalHttpClient, MMapDirectory, 
MMapDirectory] 
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:354)
  at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:523)  
at org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:354) 
 at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:458) 
 at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1254)
  at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
  at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305) 
 at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
  at java.base/java.lang.Thread.run(Thread.java:832)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:339)
  at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:348)
  at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:230)  
at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:272)  at 
org.apache.solr.handler.ReplicationHandler.inform(ReplicationHandler.java:1286) 
 at 
org.apache.solr.cloud.ReplicateFromLeader.startReplication(ReplicateFromLeader.java:109)
  at 
org.apache.solr.cloud.ZkController.startReplicationFromLeader(ZkController.java:1305)
  at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:414)
  at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:336)  
at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:317)  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
  at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
  at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
  at java.base/java.lang.Thread.run(Thread.java:832)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.solr.core.SolrCore  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1088)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:919)  at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1399)
  at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1285)  at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
  at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
  at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
  at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
  at java.base/java.lang.Thread.run(Thread.java:832)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:354)
  at org.apache.solr.core.SolrCore.getNewIndexDir(SolrCore.java:400)  at 
org.apache.solr.core.SolrCore.initIndex(SolrCore.java:779)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:999)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:919)  at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1399)
  at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1285)  at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
  at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
  at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
  at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
  at java.base/java.lang.Thread.run(Thread.java:832)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:339)
  at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:348)
  at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:230)  
at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:272)  at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:454) 
 at org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:252) 
 at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:394)
  at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:336)  
at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:317)  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
  at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
  at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
  at java.base/java.lang.Thread.run(Thread.java:832)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:354)
  at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:523)  
at org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:354) 
 at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:458) 
 at org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:252) 
 at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:394)
  at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:336)  
at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:317)  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
  at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
  at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
  at java.base/java.lang.Thread.run(Thread.java:832)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:354)
  at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:551)  
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:991)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:919)  at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1399)
  at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1285)  at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
  at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
  at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
  at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
  at java.base/java.lang.Thread.run(Thread.java:832)   expected null, but 
was:<ObjectTracker found 7 object(s) that were not released!!! [MMapDirectory, 
InternalHttpClient, SolrCore, MMapDirectory, InternalHttpClient, MMapDirectory, 
MMapDirectory] 
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:354)
  at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:523)  
at org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:354) 
 at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:458) 
 at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1254)
  at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
  at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305) 
 at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
  at java.base/java.lang.Thread.run(Thread.java:832)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:339)
  at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:348)
  at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:230)  
at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:272)  at 
org.apache.solr.handler.ReplicationHandler.inform(ReplicationHandler.java:1286) 
 at 
org.apache.solr.cloud.ReplicateFromLeader.startReplication(ReplicateFromLeader.java:109)
  at 
org.apache.solr.cloud.ZkController.startReplicationFromLeader(ZkController.java:1305)
  at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:414)
  at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:336)  
at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:317)  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
  at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
  at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
  at java.base/java.lang.Thread.run(Thread.java:832)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.solr.core.SolrCore  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1088)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:919)  at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1399)
  at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1285)  at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
  at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
  at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
  at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
  at java.base/java.lang.Thread.run(Thread.java:832)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:354)
  at org.apache.solr.core.SolrCore.getNewIndexDir(SolrCore.java:400)  at 
org.apache.solr.core.SolrCore.initIndex(SolrCore.java:779)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:999)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:919)  at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1399)
  at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1285)  at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
  at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
  at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
  at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
  at java.base/java.lang.Thread.run(Thread.java:832)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:339)
  at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:348)
  at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:230)  
at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:272)  at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:454) 
 at org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:252) 
 at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:394)
  at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:336)  
at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:317)  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
  at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
  at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
  at java.base/java.lang.Thread.run(Thread.java:832)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:354)
  at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:523)  
at org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:354) 
 at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:458) 
 at org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:252) 
 at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:394)
  at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:336)  
at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:317)  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
  at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
  at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
  at java.base/java.lang.Thread.run(Thread.java:832)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:354)
  at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:551)  
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:991)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:919)  at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1399)
  at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1285)  at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
  at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
  at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
  at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
  at java.base/java.lang.Thread.run(Thread.java:832)  >

Stack Trace:
java.lang.AssertionError: ObjectTracker found 7 object(s) that were not 
released!!! [MMapDirectory, InternalHttpClient, SolrCore, MMapDirectory, 
InternalHttpClient, MMapDirectory, MMapDirectory]
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:354)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:523)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:354)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:458)
        at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1254)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
        at java.base/java.lang.Thread.run(Thread.java:832)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:339)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:348)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:230)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:272)
        at 
org.apache.solr.handler.ReplicationHandler.inform(ReplicationHandler.java:1286)
        at 
org.apache.solr.cloud.ReplicateFromLeader.startReplication(ReplicateFromLeader.java:109)
        at 
org.apache.solr.cloud.ZkController.startReplicationFromLeader(ZkController.java:1305)
        at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:414)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:336)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:317)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
        at java.base/java.lang.Thread.run(Thread.java:832)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.solr.core.SolrCore
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1088)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:919)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1399)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1285)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
        at java.base/java.lang.Thread.run(Thread.java:832)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:354)
        at org.apache.solr.core.SolrCore.getNewIndexDir(SolrCore.java:400)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:779)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:999)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:919)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1399)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1285)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
        at java.base/java.lang.Thread.run(Thread.java:832)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:339)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:348)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:230)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:272)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:454)
        at 
org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:252)
        at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:394)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:336)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:317)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
        at java.base/java.lang.Thread.run(Thread.java:832)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:354)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:523)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:354)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:458)
        at 
org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:252)
        at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:394)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:336)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:317)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
        at java.base/java.lang.Thread.run(Thread.java:832)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:354)
        at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:551)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:991)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:919)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1399)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1285)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
        at java.base/java.lang.Thread.run(Thread.java:832)

 expected null, but was:<ObjectTracker found 7 object(s) that were not 
released!!! [MMapDirectory, InternalHttpClient, SolrCore, MMapDirectory, 
InternalHttpClient, MMapDirectory, MMapDirectory]
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:354)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:523)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:354)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:458)
        at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1254)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
        at java.base/java.lang.Thread.run(Thread.java:832)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:339)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:348)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:230)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:272)
        at 
org.apache.solr.handler.ReplicationHandler.inform(ReplicationHandler.java:1286)
        at 
org.apache.solr.cloud.ReplicateFromLeader.startReplication(ReplicateFromLeader.java:109)
        at 
org.apache.solr.cloud.ZkController.startReplicationFromLeader(ZkController.java:1305)
        at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:414)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:336)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:317)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
        at java.base/java.lang.Thread.run(Thread.java:832)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.solr.core.SolrCore
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1088)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:919)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1399)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1285)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
        at java.base/java.lang.Thread.run(Thread.java:832)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:354)
        at org.apache.solr.core.SolrCore.getNewIndexDir(SolrCore.java:400)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:779)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:999)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:919)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1399)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1285)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
        at java.base/java.lang.Thread.run(Thread.java:832)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:339)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:348)
        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:230)
        at org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:272)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:454)
        at 
org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:252)
        at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:394)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:336)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:317)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
        at java.base/java.lang.Thread.run(Thread.java:832)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:354)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:523)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:354)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:458)
        at 
org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:252)
        at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:394)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:336)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:317)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
        at java.base/java.lang.Thread.run(Thread.java:832)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:354)
        at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:551)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:991)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:919)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1399)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1285)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
        at java.base/java.lang.Thread.run(Thread.java:832)

>
        at __randomizedtesting.SeedInfo.seed([8F63B40428AF5AE6]:0)
        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.SolrTestCaseJ4.teardownTestCases(SolrTestCaseJ4.java:326)
        at jdk.internal.reflect.GeneratedMethodAccessor41.invoke(Unknown Source)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:564)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1750)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:901)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
        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.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at java.base/java.lang.Thread.run(Thread.java:832)


FAILED:  org.apache.solr.cloud.AssignBackwardCompatibilityTest.test

Error Message:
Timeout occurred while waiting response from server at: 
https://127.0.0.1:33043/solr

Stack Trace:
org.apache.solr.client.solrj.SolrServerException: Timeout occurred while 
waiting response from server at: https://127.0.0.1:33043/solr
        at 
__randomizedtesting.SeedInfo.seed([8F63B40428AF5AE6:7378BDE8653371E]:0)
        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:692)
        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:266)
        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:248)
        at 
org.apache.solr.client.solrj.impl.LBSolrClient.doRequest(LBSolrClient.java:390)
        at 
org.apache.solr.client.solrj.impl.LBSolrClient.request(LBSolrClient.java:360)
        at 
org.apache.solr.client.solrj.impl.BaseCloudSolrClient.sendRequest(BaseCloudSolrClient.java:1173)
        at 
org.apache.solr.client.solrj.impl.BaseCloudSolrClient.requestWithRetryOnStaleState(BaseCloudSolrClient.java:934)
        at 
org.apache.solr.client.solrj.impl.BaseCloudSolrClient.request(BaseCloudSolrClient.java:866)
        at 
org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:214)
        at 
org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:231)
        at 
org.apache.solr.cloud.AssignBackwardCompatibilityTest.test(AssignBackwardCompatibilityTest.java:89)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:564)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1750)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:938)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:974)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:988)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:947)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:832)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:883)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:894)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
        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.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at java.base/java.lang.Thread.run(Thread.java:832)
Caused by: java.net.SocketTimeoutException: Read timed out
        at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:283)
        at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:309)
        at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:350)
        at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:803)
        at java.base/java.net.Socket$SocketInputStream.read(Socket.java:982)
        at 
java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:457)
        at 
java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:68)
        at 
java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1411)
        at 
java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1022)
        at 
org.apache.http.impl.io.SessionInputBufferImpl.streamRead(SessionInputBufferImpl.java:137)
        at 
org.apache.http.impl.io.SessionInputBufferImpl.fillBuffer(SessionInputBufferImpl.java:153)
        at 
org.apache.http.impl.io.SessionInputBufferImpl.readLine(SessionInputBufferImpl.java:280)
        at 
org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:138)
        at 
org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:56)
        at 
org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:259)
        at 
org.apache.http.impl.DefaultBHttpClientConnection.receiveResponseHeader(DefaultBHttpClientConnection.java:163)
        at 
org.apache.http.impl.conn.CPoolProxy.receiveResponseHeader(CPoolProxy.java:157)
        at 
org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:273)
        at 
org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
        at 
org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:272)
        at 
org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
        at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
        at 
org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
        at 
org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
        at 
org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
        at 
org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56)
        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:571)
        ... 52 more




Build Log:
[...truncated 13761 lines...]
   [junit4] Suite: org.apache.solr.cloud.AssignBackwardCompatibilityTest
   [junit4]   2> 3346 INFO  
(SUITE-AssignBackwardCompatibilityTest-seed#[8F63B40428AF5AE6]-worker) [     ] 
o.a.s.SolrTestCase Setting 'solr.default.confdir' system property to 
test-framework derived value of 
'/home/jenkins/workspace/Lucene-Solr-8.x-Linux/solr/server/solr/configsets/_default/conf'
   [junit4]   2> 3356 INFO  
(SUITE-AssignBackwardCompatibilityTest-seed#[8F63B40428AF5AE6]-worker) [     ] 
o.a.s.SolrTestCaseJ4 Created dataDir: 
/home/jenkins/workspace/Lucene-Solr-8.x-Linux/solr/build/solr-core/test/J3/temp/solr.cloud.AssignBackwardCompatibilityTest_8F63B40428AF5AE6-001/data-dir-1-001
   [junit4]   2> 3431 INFO  
(SUITE-AssignBackwardCompatibilityTest-seed#[8F63B40428AF5AE6]-worker) [     ] 
o.a.s.SolrTestCaseJ4 Using PointFields (NUMERIC_POINTS_SYSPROP=true) 
w/NUMERIC_DOCVALUES_SYSPROP=false
   [junit4]   2> 3473 INFO  
(SUITE-AssignBackwardCompatibilityTest-seed#[8F63B40428AF5AE6]-worker) [     ] 
o.e.j.u.log Logging initialized @3479ms to org.eclipse.jetty.util.log.Slf4jLog
   [junit4]   2> 3477 INFO  
(SUITE-AssignBackwardCompatibilityTest-seed#[8F63B40428AF5AE6]-worker) [     ] 
o.a.s.SolrTestCaseJ4 Randomized ssl (true) and clientAuth (false) via: 
@org.apache.solr.util.RandomizeSSL(reason="", value=0.0/0.0, ssl=0.0/0.0, 
clientAuth=0.0/0.0)
   [junit4]   2> 3676 INFO  
(SUITE-AssignBackwardCompatibilityTest-seed#[8F63B40428AF5AE6]-worker) [     ] 
o.a.s.SolrTestCaseJ4 SecureRandom sanity checks: 
test.solr.allowed.securerandom=null & java.security.egd=file:/dev/./urandom
   [junit4]   2> 3680 INFO  
(SUITE-AssignBackwardCompatibilityTest-seed#[8F63B40428AF5AE6]-worker) [     ] 
o.a.s.c.MiniSolrCloudCluster Starting cluster of 4 servers in 
/home/jenkins/workspace/Lucene-Solr-8.x-Linux/solr/build/solr-core/test/J3/temp/solr.cloud.AssignBackwardCompatibilityTest_8F63B40428AF5AE6-001/tempDir-001
   [junit4]   2> 3687 INFO  
(SUITE-AssignBackwardCompatibilityTest-seed#[8F63B40428AF5AE6]-worker) [     ] 
o.a.s.c.ZkTestServer STARTING ZK TEST SERVER
   [junit4]   2> 3689 INFO  (ZkTestServer Run Thread) [     ] 
o.a.s.c.ZkTestServer client port: 0.0.0.0/0.0.0.0:0
   [junit4]   2> 3690 INFO  (ZkTestServer Run Thread) [     ] 
o.a.s.c.ZkTestServer Starting server
   [junit4]   2> 3725 WARN  (ZkTestServer Run Thread) [     ] 
o.a.z.s.ServerCnxnFactory maxCnxns is not configured, using default value 0.
   [junit4]   2> 3789 INFO  
(SUITE-AssignBackwardCompatibilityTest-seed#[8F63B40428AF5AE6]-worker) [     ] 
o.a.s.c.ZkTestServer start zk server on port: 33149
   [junit4]   2> 3789 INFO  
(SUITE-AssignBackwardCompatibilityTest-seed#[8F63B40428AF5AE6]-worker) [     ] 
o.a.s.c.ZkTestServer waitForServerUp: 127.0.0.1:33149
   [junit4]   2> 3790 INFO  
(SUITE-AssignBackwardCompatibilityTest-seed#[8F63B40428AF5AE6]-worker) [     ] 
o.a.s.c.ZkTestServer parse host and port list: 127.0.0.1:33149
   [junit4]   2> 3791 INFO  
(SUITE-AssignBackwardCompatibilityTest-seed#[8F63B40428AF5AE6]-worker) [     ] 
o.a.s.c.ZkTestServer connecting to 127.0.0.1 33149
   [junit4]   2> 3846 INFO  
(SUITE-AssignBackwardCompatibilityTest-seed#[8F63B40428AF5AE6]-worker) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 3851 WARN  (NIOWorkerThread-2) [     ] o.a.z.s.NIOServerCnxn 
Close of session 0x0
   [junit4]   2>           => java.io.IOException: ZooKeeperServer not running
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxn.readLength(NIOServerCnxn.java:544)
   [junit4]   2> java.io.IOException: ZooKeeperServer not running
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxn.readLength(NIOServerCnxn.java:544) 
~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:332) 
[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.zookeeper.server.NIOServerCnxnFactory$IOWorkRequest.doWork(NIOServerCnxnFactory.java:522)
 [zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.zookeeper.server.WorkerService$ScheduledWorkRequest.run(WorkerService.java:154)
 [zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) 
[?:?]
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630) 
[?:?]
   [junit4]   2>        at java.lang.Thread.run(Thread.java:832) [?:?]
   [junit4]   2> 3859 WARN  
(SUITE-AssignBackwardCompatibilityTest-seed#[8F63B40428AF5AE6]-worker-SendThread(127.0.0.1:33149))
 [     ] o.a.z.ClientCnxn Session 0x0 for sever 
localhost.localdomain/127.0.0.1:33149, Closing socket connection. Attempting 
reconnect except it is a SessionExpiredException.
   [junit4]   2>           => EndOfStreamException: Unable to read additional 
data from server sessionid 0x0, likely server has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable 
to read additional data from server sessionid 0x0, likely server has closed 
socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77) 
~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
 ~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1275) 
[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2> 5835 INFO  (zkConnectionManagerCallback-3-thread-1) [     ] 
o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 5836 INFO  
(SUITE-AssignBackwardCompatibilityTest-seed#[8F63B40428AF5AE6]-worker) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 5851 INFO  
(SUITE-AssignBackwardCompatibilityTest-seed#[8F63B40428AF5AE6]-worker) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 5856 INFO  (zkConnectionManagerCallback-5-thread-1) [     ] 
o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 5856 INFO  
(SUITE-AssignBackwardCompatibilityTest-seed#[8F63B40428AF5AE6]-worker) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 5857 INFO  
(SUITE-AssignBackwardCompatibilityTest-seed#[8F63B40428AF5AE6]-worker) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 5868 INFO  (zkConnectionManagerCallback-7-thread-1) [     ] 
o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 5868 INFO  
(SUITE-AssignBackwardCompatibilityTest-seed#[8F63B40428AF5AE6]-worker) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 6307 WARN  (jetty-launcher-8-thread-4) [     ] 
o.e.j.s.h.g.GzipHandler minGzipSize of 0 is inefficient for short content, 
break even is size 23
   [junit4]   2> 6307 INFO  (jetty-launcher-8-thread-4) [     ] 
o.a.s.c.s.e.JettySolrRunner Start Jetty (configured port=0, binding port=0)
   [junit4]   2> 6308 INFO  (jetty-launcher-8-thread-4) [     ] 
o.a.s.c.s.e.JettySolrRunner Trying to start Jetty on port 0 try number 2 ...
   [junit4]   2> 6310 WARN  (jetty-launcher-8-thread-2) [     ] 
o.e.j.s.h.g.GzipHandler minGzipSize of 0 is inefficient for short content, 
break even is size 23
   [junit4]   2> 6316 INFO  (jetty-launcher-8-thread-2) [     ] 
o.a.s.c.s.e.JettySolrRunner Start Jetty (configured port=0, binding port=0)
   [junit4]   2> 6316 INFO  (jetty-launcher-8-thread-2) [     ] 
o.a.s.c.s.e.JettySolrRunner Trying to start Jetty on port 0 try number 2 ...
   [junit4]   2> 6311 WARN  (jetty-launcher-8-thread-1) [     ] 
o.e.j.s.h.g.GzipHandler minGzipSize of 0 is inefficient for short content, 
break even is size 23
   [junit4]   2> 6314 INFO  (jetty-launcher-8-thread-4) [     ] o.e.j.s.Server 
jetty-9.4.27.v20200227; built: 2020-02-27T18:37:21.340Z; git: 
a304fd9f351f337e7c0e2a7c28878dd536149c6c; jvm 14.0.1+7
   [junit4]   2> 6311 WARN  (jetty-launcher-8-thread-3) [     ] 
o.e.j.s.h.g.GzipHandler minGzipSize of 0 is inefficient for short content, 
break even is size 23
   [junit4]   2> 6317 INFO  (jetty-launcher-8-thread-1) [     ] 
o.a.s.c.s.e.JettySolrRunner Start Jetty (configured port=0, binding port=0)
   [junit4]   2> 6317 INFO  (jetty-launcher-8-thread-1) [     ] 
o.a.s.c.s.e.JettySolrRunner Trying to start Jetty on port 0 try number 2 ...
   [junit4]   2> 6317 INFO  (jetty-launcher-8-thread-3) [     ] 
o.a.s.c.s.e.JettySolrRunner Start Jetty (configured port=0, binding port=0)
   [junit4]   2> 6318 INFO  (jetty-launcher-8-thread-3) [     ] 
o.a.s.c.s.e.JettySolrRunner Trying to start Jetty on port 0 try number 2 ...
   [junit4]   2> 6322 INFO  (jetty-launcher-8-thread-3) [     ] o.e.j.s.Server 
jetty-9.4.27.v20200227; built: 2020-02-27T18:37:21.340Z; git: 
a304fd9f351f337e7c0e2a7c28878dd536149c6c; jvm 14.0.1+7
   [junit4]   2> 6322 INFO  (jetty-launcher-8-thread-2) [     ] o.e.j.s.Server 
jetty-9.4.27.v20200227; built: 2020-02-27T18:37:21.340Z; git: 
a304fd9f351f337e7c0e2a7c28878dd536149c6c; jvm 14.0.1+7
   [junit4]   2> 6322 INFO  (jetty-launcher-8-thread-1) [     ] o.e.j.s.Server 
jetty-9.4.27.v20200227; built: 2020-02-27T18:37:21.340Z; git: 
a304fd9f351f337e7c0e2a7c28878dd536149c6c; jvm 14.0.1+7
   [junit4]   2> 6403 INFO  (jetty-launcher-8-thread-3) [     ] o.e.j.s.session 
DefaultSessionIdManager workerName=node0
   [junit4]   2> 6403 INFO  (jetty-launcher-8-thread-3) [     ] o.e.j.s.session 
No SessionScavenger set, using defaults
   [junit4]   2> 6406 INFO  (jetty-launcher-8-thread-3) [     ] o.e.j.s.session 
node0 Scavenging every 600000ms
   [junit4]   2> 6447 INFO  (jetty-launcher-8-thread-3) [     ] 
o.e.j.s.h.ContextHandler Started 
o.e.j.s.ServletContextHandler@1210415d{/solr,null,AVAILABLE}
   [junit4]   2> 6526 INFO  (jetty-launcher-8-thread-4) [     ] o.e.j.s.session 
DefaultSessionIdManager workerName=node0
   [junit4]   2> 6526 INFO  (jetty-launcher-8-thread-4) [     ] o.e.j.s.session 
No SessionScavenger set, using defaults
   [junit4]   2> 6526 INFO  (jetty-launcher-8-thread-4) [     ] o.e.j.s.session 
node0 Scavenging every 660000ms
   [junit4]   2> 6571 INFO  (jetty-launcher-8-thread-4) [     ] 
o.e.j.s.h.ContextHandler Started 
o.e.j.s.ServletContextHandler@45dec453{/solr,null,AVAILABLE}
   [junit4]   2> 6603 INFO  (jetty-launcher-8-thread-2) [     ] o.e.j.s.session 
DefaultSessionIdManager workerName=node0
   [junit4]   2> 6603 INFO  (jetty-launcher-8-thread-2) [     ] o.e.j.s.session 
No SessionScavenger set, using defaults
   [junit4]   2> 6603 INFO  (jetty-launcher-8-thread-2) [     ] o.e.j.s.session 
node0 Scavenging every 600000ms
   [junit4]   2> 6643 INFO  (jetty-launcher-8-thread-1) [     ] o.e.j.s.session 
DefaultSessionIdManager workerName=node0
   [junit4]   2> 6643 INFO  (jetty-launcher-8-thread-1) [     ] o.e.j.s.session 
No SessionScavenger set, using defaults
   [junit4]   2> 6644 INFO  (jetty-launcher-8-thread-1) [     ] o.e.j.s.session 
node0 Scavenging every 600000ms
   [junit4]   2> 6647 INFO  (jetty-launcher-8-thread-1) [     ] 
o.e.j.s.h.ContextHandler Started 
o.e.j.s.ServletContextHandler@690f008{/solr,null,AVAILABLE}
   [junit4]   2> 6656 INFO  (jetty-launcher-8-thread-2) [     ] 
o.e.j.s.h.ContextHandler Started 
o.e.j.s.ServletContextHandler@2459177c{/solr,null,AVAILABLE}
   [junit4]   2> 6842 INFO  (jetty-launcher-8-thread-3) [     ] 
o.e.j.s.AbstractConnector Started ServerConnector@1a100a1e{ssl, (ssl, alpn, 
http/1.1, h2)}{127.0.0.1:39675}
   [junit4]   2> 6844 INFO  (jetty-launcher-8-thread-3) [     ] o.e.j.s.Server 
Started @6853ms
   [junit4]   2> 6844 INFO  (jetty-launcher-8-thread-3) [     ] 
o.a.s.c.s.e.JettySolrRunner Jetty properties: {hostContext=/solr, 
hostPort=39675}
   [junit4]   2> 6863 INFO  (jetty-launcher-8-thread-2) [     ] 
o.e.j.s.AbstractConnector Started ServerConnector@5d39a9be{ssl, (ssl, alpn, 
http/1.1, h2)}{127.0.0.1:39693}
   [junit4]   2> 6864 INFO  (jetty-launcher-8-thread-2) [     ] o.e.j.s.Server 
Started @6874ms
   [junit4]   2> 6864 INFO  (jetty-launcher-8-thread-2) [     ] 
o.a.s.c.s.e.JettySolrRunner Jetty properties: {hostContext=/solr, 
hostPort=39693}
   [junit4]   2> 6871 INFO  (jetty-launcher-8-thread-1) [     ] 
o.e.j.s.AbstractConnector Started ServerConnector@637652bb{ssl, (ssl, alpn, 
http/1.1, h2)}{127.0.0.1:38565}
   [junit4]   2> 6871 INFO  (jetty-launcher-8-thread-1) [     ] o.e.j.s.Server 
Started @6881ms
   [junit4]   2> 6872 INFO  (jetty-launcher-8-thread-1) [     ] 
o.a.s.c.s.e.JettySolrRunner Jetty properties: {hostContext=/solr, 
hostPort=38565}
   [junit4]   2> 6886 INFO  (jetty-launcher-8-thread-4) [     ] 
o.e.j.s.AbstractConnector Started ServerConnector@2e62141f{ssl, (ssl, alpn, 
http/1.1, h2)}{127.0.0.1:33043}
   [junit4]   2> 6886 INFO  (jetty-launcher-8-thread-4) [     ] o.e.j.s.Server 
Started @6896ms
   [junit4]   2> 6897 INFO  (jetty-launcher-8-thread-4) [     ] 
o.a.s.c.s.e.JettySolrRunner Jetty properties: {hostContext=/solr, 
hostPort=33043}
   [junit4]   2> 6908 ERROR (jetty-launcher-8-thread-1) [     ] 
o.a.s.u.StartupLoggingUtils Missing Java Option solr.log.dir. Logging may be 
missing or incomplete.
   [junit4]   2> 6908 ERROR (jetty-launcher-8-thread-4) [     ] 
o.a.s.u.StartupLoggingUtils Missing Java Option solr.log.dir. Logging may be 
missing or incomplete.
   [junit4]   2> 6908 INFO  (jetty-launcher-8-thread-1) [     ] 
o.a.s.s.SolrDispatchFilter Using logger factory 
org.apache.logging.slf4j.Log4jLoggerFactory
   [junit4]   2> 6908 INFO  (jetty-launcher-8-thread-4) [     ] 
o.a.s.s.SolrDispatchFilter Using logger factory 
org.apache.logging.slf4j.Log4jLoggerFactory
   [junit4]   2> 6908 INFO  (jetty-launcher-8-thread-4) [     ] 
o.a.s.s.SolrDispatchFilter  ___      _       Welcome to Apache Solr? version 
8.7.0
   [junit4]   2> 6908 ERROR (jetty-launcher-8-thread-2) [     ] 
o.a.s.u.StartupLoggingUtils Missing Java Option solr.log.dir. Logging may be 
missing or incomplete.
   [junit4]   2> 6911 INFO  (jetty-launcher-8-thread-2) [     ] 
o.a.s.s.SolrDispatchFilter Using logger factory 
org.apache.logging.slf4j.Log4jLoggerFactory
   [junit4]   2> 6912 INFO  (jetty-launcher-8-thread-2) [     ] 
o.a.s.s.SolrDispatchFilter  ___      _       Welcome to Apache Solr? version 
8.7.0
   [junit4]   2> 6912 INFO  (jetty-launcher-8-thread-2) [     ] 
o.a.s.s.SolrDispatchFilter / __| ___| |_ _   Starting in cloud mode on port null
   [junit4]   2> 6912 INFO  (jetty-launcher-8-thread-2) [     ] 
o.a.s.s.SolrDispatchFilter \__ \/ _ \ | '_|  Install dir: 
/home/jenkins/workspace/Lucene-Solr-8.x-Linux/solr
   [junit4]   2> 6912 INFO  (jetty-launcher-8-thread-2) [     ] 
o.a.s.s.SolrDispatchFilter |___/\___/_|_|    Start time: 
2020-10-18T12:05:28.140969Z
   [junit4]   2> 6911 INFO  (jetty-launcher-8-thread-1) [     ] 
o.a.s.s.SolrDispatchFilter  ___      _       Welcome to Apache Solr? version 
8.7.0
   [junit4]   2> 6914 INFO  (jetty-launcher-8-thread-1) [     ] 
o.a.s.s.SolrDispatchFilter / __| ___| |_ _   Starting in cloud mode on port null
   [junit4]   2> 6914 INFO  (jetty-launcher-8-thread-1) [     ] 
o.a.s.s.SolrDispatchFilter \__ \/ _ \ | '_|  Install dir: 
/home/jenkins/workspace/Lucene-Solr-8.x-Linux/solr
   [junit4]   2> 6914 INFO  (jetty-launcher-8-thread-1) [     ] 
o.a.s.s.SolrDispatchFilter |___/\___/_|_|    Start time: 
2020-10-18T12:05:28.142981Z
   [junit4]   2> 6916 INFO  (jetty-launcher-8-thread-4) [     ] 
o.a.s.s.SolrDispatchFilter / __| ___| |_ _   Starting in cloud mode on port null
   [junit4]   2> 6917 INFO  (jetty-launcher-8-thread-4) [     ] 
o.a.s.s.SolrDispatchFilter \__ \/ _ \ | '_|  Install dir: 
/home/jenkins/workspace/Lucene-Solr-8.x-Linux/solr
   [junit4]   2> 6917 INFO  (jetty-launcher-8-thread-4) [     ] 
o.a.s.s.SolrDispatchFilter |___/\___/_|_|    Start time: 
2020-10-18T12:05:28.145497Z
   [junit4]   2> 6918 ERROR (jetty-launcher-8-thread-3) [     ] 
o.a.s.u.StartupLoggingUtils Missing Java Option solr.log.dir. Logging may be 
missing or incomplete.
   [junit4]   2> 6918 INFO  (jetty-launcher-8-thread-3) [     ] 
o.a.s.s.SolrDispatchFilter Using logger factory 
org.apache.logging.slf4j.Log4jLoggerFactory
   [junit4]   2> 6918 INFO  (jetty-launcher-8-thread-3) [     ] 
o.a.s.s.SolrDispatchFilter  ___      _       Welcome to Apache Solr? version 
8.7.0
   [junit4]   2> 6918 INFO  (jetty-launcher-8-thread-3) [     ] 
o.a.s.s.SolrDispatchFilter / __| ___| |_ _   Starting in cloud mode on port null
   [junit4]   2> 6925 INFO  (jetty-launcher-8-thread-3) [     ] 
o.a.s.s.SolrDispatchFilter \__ \/ _ \ | '_|  Install dir: 
/home/jenkins/workspace/Lucene-Solr-8.x-Linux/solr
   [junit4]   2> 6927 INFO  (jetty-launcher-8-thread-3) [     ] 
o.a.s.s.SolrDispatchFilter |___/\___/_|_|    Start time: 
2020-10-18T12:05:28.155645Z
   [junit4]   2> 6935 INFO  (jetty-launcher-8-thread-2) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 6961 INFO  (jetty-launcher-8-thread-1) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 6962 INFO  (jetty-launcher-8-thread-4) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 6962 INFO  (jetty-launcher-8-thread-3) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 7003 INFO  (zkConnectionManagerCallback-14-thread-1) [     ] 
o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 7003 INFO  (jetty-launcher-8-thread-4) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 7006 INFO  (zkConnectionManagerCallback-10-thread-1) [     ] 
o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 7006 INFO  (jetty-launcher-8-thread-2) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 7019 INFO  (zkConnectionManagerCallback-12-thread-1) [     ] 
o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 7019 INFO  (zkConnectionManagerCallback-16-thread-1) [     ] 
o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 7019 INFO  (jetty-launcher-8-thread-1) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 7019 INFO  (jetty-launcher-8-thread-3) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 7031 INFO  (jetty-launcher-8-thread-2) [     ] 
o.a.s.s.SolrDispatchFilter solr.xml found in ZooKeeper. Loading...
   [junit4]   2> 7033 INFO  (jetty-launcher-8-thread-4) [     ] 
o.a.s.s.SolrDispatchFilter solr.xml found in ZooKeeper. Loading...
   [junit4]   2> 7042 INFO  (jetty-launcher-8-thread-1) [     ] 
o.a.s.s.SolrDispatchFilter solr.xml found in ZooKeeper. Loading...
   [junit4]   2> 7044 INFO  (jetty-launcher-8-thread-3) [     ] 
o.a.s.s.SolrDispatchFilter solr.xml found in ZooKeeper. Loading...
   [junit4]   2> 7169 INFO  (jetty-launcher-8-thread-1) [     ] 
o.a.s.c.SolrXmlConfig Metrics collection is disabled.
   [junit4]   2> 7171 INFO  (jetty-launcher-8-thread-2) [     ] 
o.a.s.c.SolrXmlConfig Metrics collection is disabled.
   [junit4]   2> 7173 INFO  (jetty-launcher-8-thread-4) [     ] 
o.a.s.c.SolrXmlConfig Metrics collection is disabled.
   [junit4]   2> 7174 WARN  
(jetty-launcher-8-thread-1-SendThread(127.0.0.1:33149)) [     ] 
o.a.z.ClientCnxn An exception was thrown while closing send thread for session 
0x1008516dca00006.
   [junit4]   2>           => EndOfStreamException: Unable to read additional 
data from server sessionid 0x1008516dca00006, likely server has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable 
to read additional data from server sessionid 0x1008516dca00006, likely server 
has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77) 
~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
 ~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1275) 
[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2> 7178 WARN  
(jetty-launcher-8-thread-4-SendThread(127.0.0.1:33149)) [     ] 
o.a.z.ClientCnxn An exception was thrown while closing send thread for session 
0x1008516dca00005.
   [junit4]   2>           => EndOfStreamException: Unable to read additional 
data from server sessionid 0x1008516dca00005, likely server has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable 
to read additional data from server sessionid 0x1008516dca00005, likely server 
has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77) 
~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
 ~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1275) 
[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2> 7180 INFO  (jetty-launcher-8-thread-3) [     ] 
o.a.s.c.SolrXmlConfig Metrics collection is disabled.
   [junit4]   2> 7281 WARN  
(jetty-launcher-8-thread-3-SendThread(127.0.0.1:33149)) [     ] 
o.a.z.ClientCnxn An exception was thrown while closing send thread for session 
0x1008516dca00004.
   [junit4]   2>           => EndOfStreamException: Unable to read additional 
data from server sessionid 0x1008516dca00004, likely server has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable 
to read additional data from server sessionid 0x1008516dca00004, likely server 
has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77) 
~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
 ~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1275) 
[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2> 7977 INFO  (jetty-launcher-8-thread-4) [     ] 
o.a.s.h.c.HttpShardHandlerFactory Host whitelist initialized: 
WhitelistHostChecker [whitelistHosts=null, whitelistHostCheckingEnabled=true]
   [junit4]   2> 7977 INFO  (jetty-launcher-8-thread-1) [     ] 
o.a.s.h.c.HttpShardHandlerFactory Host whitelist initialized: 
WhitelistHostChecker [whitelistHosts=null, whitelistHostCheckingEnabled=true]
   [junit4]   2> 7977 INFO  (jetty-launcher-8-thread-3) [     ] 
o.a.s.h.c.HttpShardHandlerFactory Host whitelist initialized: 
WhitelistHostChecker [whitelistHosts=null, whitelistHostCheckingEnabled=true]
   [junit4]   2> 8029 WARN  (jetty-launcher-8-thread-3) [     ] 
o.e.j.u.s.S.config Trusting all certificates configured for 
Client@4458c599[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 8034 WARN  (jetty-launcher-8-thread-3) [     ] 
o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for 
Client@4458c599[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 8037 WARN  (jetty-launcher-8-thread-1) [     ] 
o.e.j.u.s.S.config Trusting all certificates configured for 
Client@32d70c74[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 8037 WARN  (jetty-launcher-8-thread-1) [     ] 
o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for 
Client@32d70c74[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 8046 WARN  (jetty-launcher-8-thread-4) [     ] 
o.e.j.u.s.S.config Trusting all certificates configured for 
Client@5f75b3c6[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 8046 WARN  (jetty-launcher-8-thread-4) [     ] 
o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for 
Client@5f75b3c6[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 8128 INFO  (jetty-launcher-8-thread-2) [     ] 
o.a.s.h.c.HttpShardHandlerFactory Host whitelist initialized: 
WhitelistHostChecker [whitelistHosts=null, whitelistHostCheckingEnabled=true]
   [junit4]   2> 8147 WARN  (jetty-launcher-8-thread-2) [     ] 
o.e.j.u.s.S.config Trusting all certificates configured for 
Client@5d40a3df[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 8148 WARN  (jetty-launcher-8-thread-2) [     ] 
o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for 
Client@5d40a3df[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 8192 WARN  (jetty-launcher-8-thread-3) [     ] 
o.e.j.u.s.S.config Trusting all certificates configured for 
Client@3b549e2d[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 8195 WARN  (jetty-launcher-8-thread-3) [     ] 
o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for 
Client@3b549e2d[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 8195 WARN  (jetty-launcher-8-thread-4) [     ] 
o.e.j.u.s.S.config Trusting all certificates configured for 
Client@49222e9d[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 8195 WARN  (jetty-launcher-8-thread-2) [     ] 
o.e.j.u.s.S.config Trusting all certificates configured for 
Client@49bdb536[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 8195 WARN  (jetty-launcher-8-thread-4) [     ] 
o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for 
Client@49222e9d[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 8195 WARN  (jetty-launcher-8-thread-2) [     ] 
o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for 
Client@49bdb536[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 8195 WARN  (jetty-launcher-8-thread-1) [     ] 
o.e.j.u.s.S.config Trusting all certificates configured for 
Client@478eeb42[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 8197 WARN  (jetty-launcher-8-thread-1) [     ] 
o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for 
Client@478eeb42[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 8314 INFO  (jetty-launcher-8-thread-4) [     ] 
o.a.s.c.ZkContainer Zookeeper client=127.0.0.1:33149/solr
   [junit4]   2> 8315 INFO  (jetty-launcher-8-thread-3) [     ] 
o.a.s.c.ZkContainer Zookeeper client=127.0.0.1:33149/solr
   [junit4]   2> 8316 INFO  (jetty-launcher-8-thread-1) [     ] 
o.a.s.c.ZkContainer Zookeeper client=127.0.0.1:33149/solr
   [junit4]   2> 8319 INFO  (jetty-launcher-8-thread-2) [     ] 
o.a.s.c.ZkContainer Zookeeper client=127.0.0.1:33149/solr
   [junit4]   2> 8327 INFO  (jetty-launcher-8-thread-3) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 8338 INFO  (jetty-launcher-8-thread-4) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 8350 INFO  (jetty-launcher-8-thread-1) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 8375 INFO  (zkConnectionManagerCallback-52-thread-1) [     ] 
o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 8375 INFO  (jetty-launcher-8-thread-3) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 8379 INFO  (zkConnectionManagerCallback-51-thread-1) [     ] 
o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 8379 INFO  (jetty-launcher-8-thread-4) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 8387 INFO  (jetty-launcher-8-thread-2) [     ] 
o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 8387 INFO  (zkConnectionManagerCallback-54-thread-1) [     ] 
o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 8387 INFO  (jetty-launcher-8-thread-1) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 8389 WARN  
(jetty-launcher-8-thread-4-SendThread(127.0.0.1:33149)) [     ] 
o.a.z.ClientCnxn An exception was thrown while closing send thread for session 
0x1008516dca00008.
   [junit4]   2>           => EndOfStreamException: Unable to read additional 
data from server sessionid 0x1008516dca00008, likely server has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable 
to read additional data from server sessionid 0x1008516dca00008, likely server 
has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77) 
~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
 ~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1275) 
[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2> 8391 INFO  (zkConnectionManagerCallback-56-thread-1) [     ] 
o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 8391 INFO  (jetty-launcher-8-thread-2) [     ] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 8392 WARN  
(jetty-launcher-8-thread-1-SendThread(127.0.0.1:33149)) [     ] 
o.a.z.ClientCnxn An exception was thrown while closing send thread for session 
0x1008516dca00009.
   [junit4]   2>           => EndOfStreamException: Unable to read additional 
data from server sessionid 0x1008516dca00009, likely server has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77)
   [junit4]   2> org.apache.zookeeper.ClientCnxn$EndOfStreamException: Unable 
to read additional data from server sessionid 0x1008516dca00009, likely server 
has closed socket
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77) 
~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
 ~[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2>        at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1275) 
[zookeeper-3.6.2.jar:3.6.2]
   [junit4]   2> 8504 INFO  (jetty-launcher-8-thread-3) [n:127.0.0.1:39675_solr 
    ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 8519 INFO  (zkConnectionManagerCallback-58-thread-1) [     ] 
o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 8527 INFO  (jetty-launcher-8-thread-3) [n:127.0.0.1:39675_solr 
    ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 8585 INFO  (jetty-launcher-8-thread-2) [n:127.0.0.1:39693_solr 
    ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 8617 INFO  (zkConnectionManagerCallback-62-thread-1) [     ] 
o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 8617 INFO  (jetty-launcher-8-thread-2) [n:127.0.0.1:39693_solr 
    ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 8691 INFO  (jetty-launcher-8-thread-1) [n:127.0.0.1:38565_solr 
    ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 8698 INFO  (zkConnectionManagerCallback-66-thread-1) [     ] 
o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 8698 INFO  (jetty-launcher-8-thread-1) [n:127.0.0.1:38565_solr 
    ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 8714 INFO  (jetty-launcher-8-thread-2) [n:127.0.0.1:39693_solr 
    ] o.a.s.c.OverseerElectionContext I am going to be the leader 
127.0.0.1:39693_solr
   [junit4]   2> 8728 INFO  (jetty-launcher-8-thread-2) [n:127.0.0.1:39693_solr 
    ] o.a.s.c.Overseer Overseer 
(id=72203927275175948-127.0.0.1:39693_solr-n_0000000000) starting
   [junit4]   2> 8784 INFO  (jetty-launcher-8-thread-1) [n:127.0.0.1:38565_solr 
    ] o.a.s.c.ZkController Register node as live in 
ZooKeeper:/live_nodes/127.0.0.1:38565_solr
   [junit4]   2> 8829 INFO  (jetty-launcher-8-thread-4) [n:127.0.0.1:33043_solr 
    ] o.a.s.c.c.ConnectionManager Waiting for client to connect to ZooKeeper
   [junit4]   2> 8849 INFO  (zkCallback-65-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 8853 INFO  (zkCallback-61-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 8879 INFO  (zkConnectionManagerCallback-72-thread-1) [     ] 
o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 8879 INFO  (jetty-launcher-8-thread-4) [n:127.0.0.1:33043_solr 
    ] o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
   [junit4]   2> 8883 INFO  (jetty-launcher-8-thread-1) [n:127.0.0.1:38565_solr 
    ] o.a.s.p.PackageLoader /packages.json updated to version -1
   [junit4]   2> 8896 INFO  (jetty-launcher-8-thread-4) [n:127.0.0.1:33043_solr 
    ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 8912 INFO  (jetty-launcher-8-thread-4) [n:127.0.0.1:33043_solr 
    ] o.a.s.c.ZkController Publish node=127.0.0.1:33043_solr as DOWN
   [junit4]   2> 8923 WARN  (jetty-launcher-8-thread-1) [n:127.0.0.1:38565_solr 
    ] o.a.s.c.CoreContainer Not all security plugins configured!  
authentication=disabled authorization=disabled.  Solr is only as secure as you 
make it. Consider configuring authentication/authorization before exposing Solr 
to users internal or external.  See https://s.apache.org/solrsecurity for more 
info
   [junit4]   2> 8939 INFO  
(OverseerStateUpdate-72203927275175948-127.0.0.1:39693_solr-n_0000000000) 
[n:127.0.0.1:39693_solr     ] o.a.s.c.Overseer Starting to work on the main 
queue : 127.0.0.1:39693_solr
   [junit4]   2> 8940 INFO  (jetty-launcher-8-thread-4) [n:127.0.0.1:33043_solr 
    ] o.a.s.c.TransientSolrCoreCacheDefault Allocating transient cache for 
2147483647 transient cores
   [junit4]   2> 8940 INFO  (jetty-launcher-8-thread-4) [n:127.0.0.1:33043_solr 
    ] o.a.s.c.ZkController Register node as live in 
ZooKeeper:/live_nodes/127.0.0.1:33043_solr
   [junit4]   2> 8960 INFO  
(OverseerStateUpdate-72203927275175948-127.0.0.1:39693_solr-n_0000000000) 
[n:127.0.0.1:39693_solr     ] o.a.s.c.c.ZkStateReader Updated live nodes from 
ZooKeeper... (1) -> (2)
   [junit4]   2> 8961 INFO  (zkCallback-65-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 9007 INFO  (jetty-launcher-8-thread-4) [n:127.0.0.1:33043_solr 
    ] o.a.s.p.PackageLoader /packages.json updated to version -1
   [junit4]   2> 9007 INFO  (jetty-launcher-8-thread-2) [n:127.0.0.1:39693_solr 
    ] o.a.s.c.ZkController Publish node=127.0.0.1:39693_solr as DOWN
   [junit4]   2> 9007 INFO  (zkCallback-71-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (1) -> (2)
   [junit4]   2> 9017 WARN  (jetty-launcher-8-thread-4) [n:127.0.0.1:33043_solr 
    ] o.a.s.c.CoreContainer Not all security plugins configured!  
authentication=disabled authorization=disabled.  Solr is only as secure as you 
make it. Consider configuring authentication/authorization before exposing Solr 
to users internal or external.  See https://s.apache.org/solrsecurity for more 
info
   [junit4]   2> 9036 INFO  (jetty-launcher-8-thread-2) [n:127.0.0.1:39693_solr 
    ] o.a.s.c.TransientSolrCoreCacheDefault Allocating transient cache for 
2147483647 transient cores
   [junit4]   2> 9036 INFO  (jetty-launcher-8-thread-2) [n:127.0.0.1:39693_solr 
    ] o.a.s.c.ZkController Register node as live in 
ZooKeeper:/live_nodes/127.0.0.1:39693_solr
   [junit4]   2> 9038 INFO  (zkCallback-65-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (3)
   [junit4]   2> 9039 INFO  (zkCallback-71-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (3)
   [junit4]   2> 9039 INFO  (zkCallback-61-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (3)
   [junit4]   2> 9042 INFO  (jetty-launcher-8-thread-2) [n:127.0.0.1:39693_solr 
    ] o.a.s.p.PackageLoader /packages.json updated to version -1
   [junit4]   2> 9043 WARN  (jetty-launcher-8-thread-2) [n:127.0.0.1:39693_solr 
    ] o.a.s.c.CoreContainer Not all security plugins configured!  
authentication=disabled authorization=disabled.  Solr is only as secure as you 
make it. Consider configuring authentication/authorization before exposing Solr 
to users internal or external.  See https://s.apache.org/solrsecurity for more 
info
   [junit4]   2> 9058 INFO  (jetty-launcher-8-thread-3) [n:127.0.0.1:39675_solr 
    ] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (3)
   [junit4]   2> 9065 INFO  (jetty-launcher-8-thread-3) [n:127.0.0.1:39675_solr 
    ] o.a.s.c.ZkController Publish node=127.0.0.1:39675_solr as DOWN
   [junit4]   2> 9067 INFO  (jetty-launcher-8-thread-3) [n:127.0.0.1:39675_solr 
    ] o.a.s.c.TransientSolrCoreCacheDefault Allocating transient cache for 
2147483647 transient cores
   [junit4]   2> 9067 INFO  (jetty-launcher-8-thread-3) [n:127.0.0.1:39675_solr 
    ] o.a.s.c.ZkController Register node as live in 
ZooKeeper:/live_nodes/127.0.0.1:39675_solr
   [junit4]   2> 9069 INFO  (zkCallback-65-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (3) -> (4)
   [junit4]   2> 9069 INFO  (zkCallback-71-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (3) -> (4)
   [junit4]   2> 9069 INFO  (zkCallback-61-thread-1) [     ] 
o.a.s.c.c.ZkStateReader Updated liv

[...truncated too long message...]

a.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
   [junit4]    >        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
   [junit4]    >        at java.base/java.lang.Thread.run(Thread.java:832)
   [junit4]    > 
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory
   [junit4]    >        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
   [junit4]    >        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:354)
   [junit4]    >        at 
org.apache.solr.core.SolrCore.getNewIndexDir(SolrCore.java:400)
   [junit4]    >        at 
org.apache.solr.core.SolrCore.initIndex(SolrCore.java:779)
   [junit4]    >        at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:999)
   [junit4]    >        at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:919)
   [junit4]    >        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1399)
   [junit4]    >        at 
org.apache.solr.core.CoreContainer.create(CoreContainer.java:1285)
   [junit4]    >        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
   [junit4]    >        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
   [junit4]    >        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
   [junit4]    >        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
   [junit4]    >        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
   [junit4]    >        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
   [junit4]    >        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
   [junit4]    >        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
   [junit4]    >        at java.base/java.lang.Thread.run(Thread.java:832)
   [junit4]    > 
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient
   [junit4]    >        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
   [junit4]    >        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:339)
   [junit4]    >        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:348)
   [junit4]    >        at 
org.apache.solr.handler.IndexFetcher.createHttpClient(IndexFetcher.java:230)
   [junit4]    >        at 
org.apache.solr.handler.IndexFetcher.<init>(IndexFetcher.java:272)
   [junit4]    >        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:454)
   [junit4]    >        at 
org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:252)
   [junit4]    >        at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:394)
   [junit4]    >        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:336)
   [junit4]    >        at 
org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:317)
   [junit4]    >        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
   [junit4]    >        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
   [junit4]    >        at 
java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
   [junit4]    >        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
   [junit4]    >        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
   [junit4]    >        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
   [junit4]    >        at java.base/java.lang.Thread.run(Thread.java:832)
   [junit4]    > 
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory
   [junit4]    >        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
   [junit4]    >        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:354)
   [junit4]    >        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:523)
   [junit4]    >        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:354)
   [junit4]    >        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:458)
   [junit4]    >        at 
org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:252)
   [junit4]    >        at 
org.apache.solr.cloud.RecoveryStrategy.doReplicateOnlyRecovery(RecoveryStrategy.java:394)
   [junit4]    >        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:336)
   [junit4]    >        at 
org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:317)
   [junit4]    >        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
   [junit4]    >        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
   [junit4]    >        at 
java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
   [junit4]    >        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
   [junit4]    >        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
   [junit4]    >        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
   [junit4]    >        at java.base/java.lang.Thread.run(Thread.java:832)
   [junit4]    > 
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MMapDirectory
   [junit4]    >        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
   [junit4]    >        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:354)
   [junit4]    >        at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:551)
   [junit4]    >        at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:991)
   [junit4]    >        at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:919)
   [junit4]    >        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1399)
   [junit4]    >        at 
org.apache.solr.core.CoreContainer.create(CoreContainer.java:1285)
   [junit4]    >        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:95)
   [junit4]    >        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:367)
   [junit4]    >        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:397)
   [junit4]    >        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:189)
   [junit4]    >        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
   [junit4]    >        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218)
   [junit4]    >        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
   [junit4]    >        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
   [junit4]    >        at java.base/java.lang.Thread.run(Thread.java:832)
   [junit4]    > >
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([8F63B40428AF5AE6]:0)
   [junit4]    >        at 
org.apache.solr.SolrTestCaseJ4.teardownTestCases(SolrTestCaseJ4.java:326)
   [junit4]    >        at 
jdk.internal.reflect.GeneratedMethodAccessor41.invoke(Unknown Source)
   [junit4]    >        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   [junit4]    >        at 
java.base/java.lang.reflect.Method.invoke(Method.java:564)
   [junit4]    >        at java.base/java.lang.Thread.run(Thread.java:832)
   [junit4] Completed [570/921 (2!)] on J4 in 83.87s, 2 tests, 1 failure <<< 
FAILURES!

[...truncated 46112 lines...]
[repro] Jenkins log URL: 
https://jenkins.thetaphi.de/job/Lucene-Solr-8.x-Linux/4739/consoleText

[repro] Revision: 3aca98fba04c5eb23ccd05b78494ccfcdd3ddb03

[repro] Ant options: "-Dargs=-XX:+UseCompressedOops -XX:+UseSerialGC"
[repro] Repro line:  ant test  -Dtestcase=AssignBackwardCompatibilityTest 
-Dtests.method=test -Dtests.seed=8F63B40428AF5AE6 -Dtests.multiplier=3 
-Dtests.slow=true -Dtests.locale=sr-Latn-ME 
-Dtests.timezone=America/Indiana/Petersburg -Dtests.asserts=true 
-Dtests.file.encoding=ISO-8859-1

[repro] Repro line:  ant test  -Dtestcase=TestHdfsCloudBackupRestore 
-Dtests.seed=8F63B40428AF5AE6 -Dtests.multiplier=3 -Dtests.slow=true 
-Dtests.locale=he-IL -Dtests.timezone=Etc/GMT -Dtests.asserts=true 
-Dtests.file.encoding=ISO-8859-1

[repro] JUnit rest result XML files will be moved to: ./repro-reports
[repro] ant clean

[...truncated 6 lines...]
[repro] Test suites by module:
[repro]    solr/core
[repro]       AssignBackwardCompatibilityTest
[repro]       TestHdfsCloudBackupRestore
[repro] ant compile-test

[...truncated 3454 lines...]
[repro] ant test-nocompile -Dtests.dups=5 -Dtests.maxfailures=10 
-Dtests.class="*.AssignBackwardCompatibilityTest|*.TestHdfsCloudBackupRestore" 
-Dtests.showOutput=onerror "-Dargs=-XX:+UseCompressedOops -XX:+UseSerialGC" 
-Dtests.seed=8F63B40428AF5AE6 -Dtests.multiplier=3 -Dtests.slow=true 
-Dtests.locale=sr-Latn-ME -Dtests.timezone=America/Indiana/Petersburg 
-Dtests.asserts=true -Dtests.file.encoding=ISO-8859-1

[...truncated 109 lines...]
[repro] Failures w/original seeds:
[repro]   0/5 failed: org.apache.solr.cloud.AssignBackwardCompatibilityTest
[repro]   0/5 failed: 
org.apache.solr.cloud.api.collections.TestHdfsCloudBackupRestore
[repro] Exiting with code 0

[...truncated 63 lines...]
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