Build: https://jenkins.thetaphi.de/job/Lucene-Solr-6.x-MacOSX/955/
Java: 64bit/jdk1.8.0 -XX:-UseCompressedOops -XX:+UseParallelGC

36 tests failed.
FAILED:  junit.framework.TestSuite.org.apache.solr.ConvertedLegacyTest

Error Message:
org.apache.solr.ConvertedLegacyTest

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.ConvertedLegacyTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:273)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:233)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:355)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/ConvertedLegacyTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  
junit.framework.TestSuite.org.apache.solr.TestSimpleTrackingShardHandler

Error Message:
org.apache.solr.TestSimpleTrackingShardHandler

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.TestSimpleTrackingShardHandler
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:273)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:233)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:355)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/TestSimpleTrackingShardHandler.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  
junit.framework.TestSuite.org.apache.solr.cloud.AsyncCallRequestStatusResponseTest

Error Message:
org.apache.solr.cloud.AsyncCallRequestStatusResponseTest

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.cloud.AsyncCallRequestStatusResponseTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:273)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:233)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:355)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/cloud/AsyncCallRequestStatusResponseTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


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

Error Message:
java.io.IOException: Couldn't instantiate 
org.apache.zookeeper.ClientCnxnSocketNIO

Stack Trace:
org.apache.solr.common.SolrException: java.io.IOException: Couldn't instantiate 
org.apache.zookeeper.ClientCnxnSocketNIO
        at 
__randomizedtesting.SeedInfo.seed([A16006AB109E9B8:82423FB01FF58440]:0)
        at 
org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:171)
        at 
org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:117)
        at 
org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:107)
        at 
org.apache.solr.common.cloud.ZkStateReader.<init>(ZkStateReader.java:226)
        at 
org.apache.solr.client.solrj.impl.ZkClientClusterStateProvider.connect(ZkClientClusterStateProvider.java:131)
        at 
org.apache.solr.client.solrj.impl.CloudSolrClient.connect(CloudSolrClient.java:631)
        at 
org.apache.solr.cloud.AbstractFullDistribZkTestBase.initCloud(AbstractFullDistribZkTestBase.java:267)
        at 
org.apache.solr.cloud.AbstractFullDistribZkTestBase.createServers(AbstractFullDistribZkTestBase.java:329)
        at 
org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsFixedStatement.callStatement(BaseDistributedSearchTestCase.java:990)
        at 
org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsStatement.evaluate(BaseDistributedSearchTestCase.java:967)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        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$1.evaluate(TestRuleMarkFailure.java:47)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$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:916)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:802)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:852)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:863)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        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 
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$1.evaluate(TestRuleIgnoreTestSuites.java:54)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at java.lang.Thread.run(Thread.java:748)
Caused by: java.io.IOException: Couldn't instantiate 
org.apache.zookeeper.ClientCnxnSocketNIO
        at 
org.apache.zookeeper.ZooKeeper.getClientCnxnSocket(ZooKeeper.java:1842)
        at org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:447)
        at org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:380)
        at 
org.apache.solr.common.cloud.SolrZooKeeper.<init>(SolrZooKeeper.java:43)
        at 
org.apache.solr.common.cloud.ZkClientConnectionStrategy.createSolrZooKeeper(ZkClientConnectionStrategy.java:105)
        at 
org.apache.solr.common.cloud.DefaultConnectionStrategy.connect(DefaultConnectionStrategy.java:37)
        at 
org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:146)
        ... 40 more
Caused by: java.io.IOException: Too many open files
        at sun.nio.ch.IOUtil.makePipe(Native Method)
        at sun.nio.ch.KQueueSelectorImpl.<init>(KQueueSelectorImpl.java:84)
        at 
sun.nio.ch.KQueueSelectorProvider.openSelector(KQueueSelectorProvider.java:42)
        at java.nio.channels.Selector.open(Selector.java:227)
        at 
org.apache.zookeeper.ClientCnxnSocketNIO.<init>(ClientCnxnSocketNIO.java:43)
        at sun.reflect.GeneratedConstructorAccessor18.newInstance(Unknown 
Source)
        at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at java.lang.Class.newInstance(Class.java:442)
        at 
org.apache.zookeeper.ZooKeeper.getClientCnxnSocket(ZooKeeper.java:1839)
        ... 46 more


FAILED:  junit.framework.TestSuite.org.apache.solr.cloud.BasicDistributedZkTest

Error Message:
11 threads leaked from SUITE scope at 
org.apache.solr.cloud.BasicDistributedZkTest:     1) Thread[id=8546, 
name=OverseerStateUpdate-98179799860969476-127.0.0.1:63099_m_yge-n_0000000000, 
state=TIMED_WAITING, group=Overseer state updater.]         at 
sun.misc.Unsafe.park(Native Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
         at 
org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:165)         
at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:139)       
  at org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:183)  
       at java.lang.Thread.run(Thread.java:748)    2) Thread[id=8551, 
name=zkCallback-1445-thread-4, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
        at java.lang.Thread.run(Thread.java:748)    3) Thread[id=8538, 
name=solr-idle-connections-evictor, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at java.lang.Thread.sleep(Native 
Method)         at 
org.apache.solr.update.UpdateShardHandler$IdleConnectionsEvictor$1.run(UpdateShardHandler.java:266)
         at java.lang.Thread.run(Thread.java:748)    4) Thread[id=8547, 
name=OverseerCollectionConfigSetProcessor-98179799860969476-127.0.0.1:63099_m_yge-n_0000000000,
 state=TIMED_WAITING, group=Overseer collection creation process.]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:111)   
      at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:70)
         at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:354)        
 at 
org.apache.solr.cloud.OverseerTaskProcessor.amILeader(OverseerTaskProcessor.java:387)
         at 
org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:193) 
        at java.lang.Thread.run(Thread.java:748)    5) Thread[id=8539, 
name=solr-idle-connections-evictor, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at java.lang.Thread.sleep(Native 
Method)         at 
org.apache.solr.update.UpdateShardHandler$IdleConnectionsEvictor$1.run(UpdateShardHandler.java:266)
         at java.lang.Thread.run(Thread.java:748)    6) Thread[id=8550, 
name=zkCallback-1445-thread-3, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
        at java.lang.Thread.run(Thread.java:748)    7) Thread[id=8545, 
name=zkCallback-1445-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
        at java.lang.Thread.run(Thread.java:748)    8) Thread[id=8548, 
name=OverseerHdfsCoreFailoverThread-98179799860969476-127.0.0.1:63099_m_yge-n_0000000000,
 state=TIMED_WAITING, group=Overseer Hdfs SolrCore Failover Thread.]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:111)   
      at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:70)
         at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:354)        
 at 
org.apache.solr.common.cloud.ZkStateReader.fetchCollectionState(ZkStateReader.java:1110)
         at 
org.apache.solr.common.cloud.ZkStateReader.getCollectionLive(ZkStateReader.java:1096)
         at 
org.apache.solr.common.cloud.ZkStateReader$LazyCollectionRef.get(ZkStateReader.java:638)
         at 
org.apache.solr.common.cloud.ClusterState.getCollectionsMap(ClusterState.java:250)
         at 
org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.doWork(OverseerAutoReplicaFailoverThread.java:166)
         at 
org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.run(OverseerAutoReplicaFailoverThread.java:131)
         at java.lang.Thread.run(Thread.java:748)    9) Thread[id=8543, 
name=TEST-BasicDistributedZkTest.test-seed#[A16006AB109E9B8]-SendThread(127.0.0.1:63096),
 state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1051)   10) 
Thread[id=8544, 
name=TEST-BasicDistributedZkTest.test-seed#[A16006AB109E9B8]-EventThread, 
state=WAITING, group=TGRP-BasicDistributedZkTest]         at 
sun.misc.Unsafe.park(Native Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)     
    at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:501)   
11) Thread[id=8549, name=zkCallback-1445-thread-2, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
        at java.lang.Thread.run(Thread.java:748)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 11 threads leaked from 
SUITE scope at org.apache.solr.cloud.BasicDistributedZkTest: 
   1) Thread[id=8546, 
name=OverseerStateUpdate-98179799860969476-127.0.0.1:63099_m_yge-n_0000000000, 
state=TIMED_WAITING, group=Overseer state updater.]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at 
org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:165)
        at 
org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:139)
        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:183)
        at java.lang.Thread.run(Thread.java:748)
   2) Thread[id=8551, name=zkCallback-1445-thread-4, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:748)
   3) Thread[id=8538, name=solr-idle-connections-evictor, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.solr.update.UpdateShardHandler$IdleConnectionsEvictor$1.run(UpdateShardHandler.java:266)
        at java.lang.Thread.run(Thread.java:748)
   4) Thread[id=8547, 
name=OverseerCollectionConfigSetProcessor-98179799860969476-127.0.0.1:63099_m_yge-n_0000000000,
 state=TIMED_WAITING, group=Overseer collection creation process.]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:111)
        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:70)
        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:354)
        at 
org.apache.solr.cloud.OverseerTaskProcessor.amILeader(OverseerTaskProcessor.java:387)
        at 
org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:193)
        at java.lang.Thread.run(Thread.java:748)
   5) Thread[id=8539, name=solr-idle-connections-evictor, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.solr.update.UpdateShardHandler$IdleConnectionsEvictor$1.run(UpdateShardHandler.java:266)
        at java.lang.Thread.run(Thread.java:748)
   6) Thread[id=8550, name=zkCallback-1445-thread-3, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:748)
   7) Thread[id=8545, name=zkCallback-1445-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:748)
   8) Thread[id=8548, 
name=OverseerHdfsCoreFailoverThread-98179799860969476-127.0.0.1:63099_m_yge-n_0000000000,
 state=TIMED_WAITING, group=Overseer Hdfs SolrCore Failover Thread.]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:111)
        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:70)
        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:354)
        at 
org.apache.solr.common.cloud.ZkStateReader.fetchCollectionState(ZkStateReader.java:1110)
        at 
org.apache.solr.common.cloud.ZkStateReader.getCollectionLive(ZkStateReader.java:1096)
        at 
org.apache.solr.common.cloud.ZkStateReader$LazyCollectionRef.get(ZkStateReader.java:638)
        at 
org.apache.solr.common.cloud.ClusterState.getCollectionsMap(ClusterState.java:250)
        at 
org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.doWork(OverseerAutoReplicaFailoverThread.java:166)
        at 
org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.run(OverseerAutoReplicaFailoverThread.java:131)
        at java.lang.Thread.run(Thread.java:748)
   9) Thread[id=8543, 
name=TEST-BasicDistributedZkTest.test-seed#[A16006AB109E9B8]-SendThread(127.0.0.1:63096),
 state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1051)
  10) Thread[id=8544, 
name=TEST-BasicDistributedZkTest.test-seed#[A16006AB109E9B8]-EventThread, 
state=WAITING, group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:501)
  11) Thread[id=8549, name=zkCallback-1445-thread-2, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:748)
        at __randomizedtesting.SeedInfo.seed([A16006AB109E9B8]:0)


FAILED:  junit.framework.TestSuite.org.apache.solr.cloud.BasicDistributedZkTest

Error Message:
There are still zombie threads that couldn't be terminated:    1) 
Thread[id=8551, name=zkCallback-1445-thread-4, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
        at java.lang.Thread.run(Thread.java:748)    2) Thread[id=8550, 
name=zkCallback-1445-thread-3, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
        at java.lang.Thread.run(Thread.java:748)    3) Thread[id=8545, 
name=zkCallback-1445-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
        at java.lang.Thread.run(Thread.java:748)    4) Thread[id=8543, 
name=TEST-BasicDistributedZkTest.test-seed#[A16006AB109E9B8]-SendThread(127.0.0.1:63096),
 state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)
         at 
org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:997)    
     at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1060)    
5) Thread[id=8549, name=zkCallback-1445-thread-2, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
        at java.lang.Thread.run(Thread.java:748)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: There are still zombie 
threads that couldn't be terminated:
   1) Thread[id=8551, name=zkCallback-1445-thread-4, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:748)
   2) Thread[id=8550, name=zkCallback-1445-thread-3, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:748)
   3) Thread[id=8545, name=zkCallback-1445-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:748)
   4) Thread[id=8543, 
name=TEST-BasicDistributedZkTest.test-seed#[A16006AB109E9B8]-SendThread(127.0.0.1:63096),
 state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)
        at 
org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:997)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1060)
   5) Thread[id=8549, name=zkCallback-1445-thread-2, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:748)
        at __randomizedtesting.SeedInfo.seed([A16006AB109E9B8]:0)


FAILED:  
junit.framework.TestSuite.org.apache.solr.cloud.CollectionsAPIDistributedZkTest

Error Message:
org.apache.solr.cloud.CollectionsAPIDistributedZkTest

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.cloud.CollectionsAPIDistributedZkTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:273)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:233)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:355)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/cloud/CollectionsAPIDistributedZkTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  
junit.framework.TestSuite.org.apache.solr.cloud.LeaderFailureAfterFreshStartTest

Error Message:
org.apache.solr.cloud.LeaderFailureAfterFreshStartTest

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.cloud.LeaderFailureAfterFreshStartTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:273)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:233)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:355)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/cloud/LeaderFailureAfterFreshStartTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  
junit.framework.TestSuite.org.apache.solr.cloud.MissingSegmentRecoveryTest

Error Message:
org.apache.solr.cloud.MissingSegmentRecoveryTest

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.cloud.MissingSegmentRecoveryTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:273)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:233)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:355)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/cloud/MissingSegmentRecoveryTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  
junit.framework.TestSuite.org.apache.solr.cloud.OutOfBoxZkACLAndCredentialsProvidersTest

Error Message:
org.apache.solr.cloud.OutOfBoxZkACLAndCredentialsProvidersTest

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.cloud.OutOfBoxZkACLAndCredentialsProvidersTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:273)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:233)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:355)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/cloud/OutOfBoxZkACLAndCredentialsProvidersTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  
junit.framework.TestSuite.org.apache.solr.cloud.SharedFSAutoReplicaFailoverUtilsTest

Error Message:
org.apache.solr.cloud.SharedFSAutoReplicaFailoverUtilsTest

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.cloud.SharedFSAutoReplicaFailoverUtilsTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:273)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:233)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:355)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/cloud/SharedFSAutoReplicaFailoverUtilsTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  org.apache.solr.cloud.TestMiniSolrCloudCluster.testStopAllStartAll

Error Message:
java.io.IOException: Couldn't instantiate 
org.apache.zookeeper.ClientCnxnSocketNIO

Stack Trace:
org.apache.solr.common.SolrException: java.io.IOException: Couldn't instantiate 
org.apache.zookeeper.ClientCnxnSocketNIO
        at 
__randomizedtesting.SeedInfo.seed([A16006AB109E9B8:7C281F19F03E4497]:0)
        at 
org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:171)
        at 
org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:117)
        at 
org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:107)
        at 
org.apache.solr.cloud.TestMiniSolrCloudCluster.testStopAllStartAll(TestMiniSolrCloudCluster.java:292)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1713)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:907)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:943)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:957)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        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$1.evaluate(TestRuleMarkFailure.java:47)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$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:916)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:802)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:852)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:863)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        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 
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$1.evaluate(TestRuleIgnoreTestSuites.java:54)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at java.lang.Thread.run(Thread.java:748)
Caused by: java.io.IOException: Couldn't instantiate 
org.apache.zookeeper.ClientCnxnSocketNIO
        at 
org.apache.zookeeper.ZooKeeper.getClientCnxnSocket(ZooKeeper.java:1842)
        at org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:447)
        at org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:380)
        at 
org.apache.solr.common.cloud.SolrZooKeeper.<init>(SolrZooKeeper.java:43)
        at 
org.apache.solr.common.cloud.ZkClientConnectionStrategy.createSolrZooKeeper(ZkClientConnectionStrategy.java:105)
        at 
org.apache.solr.common.cloud.DefaultConnectionStrategy.connect(DefaultConnectionStrategy.java:37)
        at 
org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:146)
        ... 42 more
Caused by: java.io.IOException: Too many open files
        at sun.nio.ch.KQueueArrayWrapper.init(Native Method)
        at sun.nio.ch.KQueueArrayWrapper.<init>(KQueueArrayWrapper.java:98)
        at sun.nio.ch.KQueueSelectorImpl.<init>(KQueueSelectorImpl.java:88)
        at 
sun.nio.ch.KQueueSelectorProvider.openSelector(KQueueSelectorProvider.java:42)
        at java.nio.channels.Selector.open(Selector.java:227)
        at 
org.apache.zookeeper.ClientCnxnSocketNIO.<init>(ClientCnxnSocketNIO.java:43)
        at sun.reflect.GeneratedConstructorAccessor18.newInstance(Unknown 
Source)
        at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at java.lang.Class.newInstance(Class.java:442)
        at 
org.apache.zookeeper.ZooKeeper.getClientCnxnSocket(ZooKeeper.java:1839)
        ... 48 more


FAILED:  
junit.framework.TestSuite.org.apache.solr.cloud.TestTolerantUpdateProcessorCloud

Error Message:
org.apache.solr.cloud.TestTolerantUpdateProcessorCloud

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.cloud.TestTolerantUpdateProcessorCloud
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:273)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:233)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:355)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/cloud/TestTolerantUpdateProcessorCloud.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  junit.framework.TestSuite.org.apache.solr.core.RequestHandlersTest

Error Message:
org.apache.solr.core.RequestHandlersTest

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.core.RequestHandlersTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:273)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:233)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:355)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/core/RequestHandlersTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  junit.framework.TestSuite.org.apache.solr.core.TestCorePropertiesReload

Error Message:
org.apache.solr.core.TestCorePropertiesReload

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.core.TestCorePropertiesReload
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:273)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:233)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:355)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/core/TestCorePropertiesReload.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  junit.framework.TestSuite.org.apache.solr.core.TestSolrDeletionPolicy2

Error Message:
org.apache.solr.core.TestSolrDeletionPolicy2

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.core.TestSolrDeletionPolicy2
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:273)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:233)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:355)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/core/TestSolrDeletionPolicy2.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  
junit.framework.TestSuite.org.apache.solr.handler.admin.CoreAdminCreateDiscoverTest

Error Message:
org.apache.solr.handler.admin.CoreAdminCreateDiscoverTest

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.handler.admin.CoreAdminCreateDiscoverTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:273)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:233)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:355)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/handler/admin/CoreAdminCreateDiscoverTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  
junit.framework.TestSuite.org.apache.solr.handler.admin.CoreAdminHandlerTest

Error Message:
org.apache.solr.handler.admin.CoreAdminHandlerTest

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.handler.admin.CoreAdminHandlerTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:273)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:233)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:355)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/handler/admin/CoreAdminHandlerTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  
junit.framework.TestSuite.org.apache.solr.handler.admin.LukeRequestHandlerTest

Error Message:
org.apache.solr.handler.admin.LukeRequestHandlerTest

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.handler.admin.LukeRequestHandlerTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:273)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:233)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:355)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/handler/admin/LukeRequestHandlerTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  
junit.framework.TestSuite.org.apache.solr.handler.component.SpatialHeatmapFacetsTest

Error Message:
org.apache.solr.handler.component.SpatialHeatmapFacetsTest

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.handler.component.SpatialHeatmapFacetsTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:273)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:233)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:355)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/handler/component/SpatialHeatmapFacetsTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  junit.framework.TestSuite.org.apache.solr.internal.csv.CSVUtilsTest

Error Message:
org.apache.solr.internal.csv.CSVUtilsTest

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.internal.csv.CSVUtilsTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:273)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:233)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:355)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/internal/csv/CSVUtilsTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  junit.framework.TestSuite.org.apache.solr.internal.csv.CharBufferTest

Error Message:
org.apache.solr.internal.csv.CharBufferTest

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.internal.csv.CharBufferTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:273)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:233)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:355)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/internal/csv/CharBufferTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  
junit.framework.TestSuite.org.apache.solr.metrics.SolrCoreMetricManagerTest

Error Message:
org.apache.solr.metrics.SolrCoreMetricManagerTest

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.metrics.SolrCoreMetricManagerTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:273)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:233)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:355)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/metrics/SolrCoreMetricManagerTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  
junit.framework.TestSuite.org.apache.solr.response.TestGraphMLResponseWriter

Error Message:
org.apache.solr.response.TestGraphMLResponseWriter

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.response.TestGraphMLResponseWriter
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:273)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:233)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:355)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/response/TestGraphMLResponseWriter.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  
junit.framework.TestSuite.org.apache.solr.schema.TestUseDocValuesAsStored

Error Message:
org.apache.solr.schema.TestUseDocValuesAsStored

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.schema.TestUseDocValuesAsStored
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:273)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:233)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:355)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/schema/TestUseDocValuesAsStored.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  junit.framework.TestSuite.org.apache.solr.search.ReturnFieldsTest

Error Message:
SolrCore 'collection1' is not available due to init failure: JVM Error creating 
core [collection1]: Error loading SPI class list from URL: 
file:/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/lucene/build/test-framework/classes/java/META-INF/services/org.apache.lucene.codecs.PostingsFormat

Stack Trace:
org.apache.solr.core.SolrCoreInitializationException: SolrCore 'collection1' is 
not available due to init failure: JVM Error creating core [collection1]: Error 
loading SPI class list from URL: 
file:/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/lucene/build/test-framework/classes/java/META-INF/services/org.apache.lucene.codecs.PostingsFormat
        at __randomizedtesting.SeedInfo.seed([A16006AB109E9B8]:0)
        at org.apache.solr.core.CoreContainer.getCore(CoreContainer.java:1322)
        at org.apache.solr.util.TestHarness.getCoreInc(TestHarness.java:256)
        at org.apache.solr.util.TestHarness.update(TestHarness.java:272)
        at 
org.apache.solr.util.BaseTestHarness.checkUpdateStatus(BaseTestHarness.java:281)
        at 
org.apache.solr.util.BaseTestHarness.validateUpdate(BaseTestHarness.java:251)
        at org.apache.solr.SolrTestCaseJ4.checkUpdateU(SolrTestCaseJ4.java:849)
        at org.apache.solr.SolrTestCaseJ4.assertU(SolrTestCaseJ4.java:828)
        at org.apache.solr.SolrTestCaseJ4.assertU(SolrTestCaseJ4.java:822)
        at 
org.apache.solr.search.ReturnFieldsTest.beforeClass(ReturnFieldsTest.java:38)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1713)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:847)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:863)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        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 
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$1.evaluate(TestRuleIgnoreTestSuites.java:54)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.solr.common.SolrException: JVM Error creating core 
[collection1]: Error loading SPI class list from URL: 
file:/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/lucene/build/test-framework/classes/java/META-INF/services/org.apache.lucene.codecs.PostingsFormat
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:950)
        at 
org.apache.solr.core.CoreContainer.lambda$load$5(CoreContainer.java:565)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedCallable.call(InstrumentedExecutorService.java:197)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:229)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        ... 1 more
Caused by: java.util.ServiceConfigurationError: Error loading SPI class list 
from URL: 
file:/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/lucene/build/test-framework/classes/java/META-INF/services/org.apache.lucene.codecs.PostingsFormat
        at 
org.apache.lucene.util.SPIClassIterator.loadNextProfile(SPIClassIterator.java:133)
        at 
org.apache.lucene.util.SPIClassIterator.hasNext(SPIClassIterator.java:145)
        at org.apache.lucene.util.NamedSPILoader.reload(NamedSPILoader.java:69)
        at 
org.apache.lucene.codecs.PostingsFormat.reloadPostingsFormats(PostingsFormat.java:132)
        at 
org.apache.solr.core.SolrResourceLoader.reloadLuceneSPI(SolrResourceLoader.java:237)
        at 
org.apache.solr.core.SolrResourceLoader.<init>(SolrResourceLoader.java:182)
        at 
org.apache.solr.core.ConfigSetService$Default.createCoreResourceLoader(ConfigSetService.java:183)
        at 
org.apache.solr.core.ConfigSetService.getConfig(ConfigSetService.java:75)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:926)
        ... 7 more
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/lucene/build/test-framework/classes/java/META-INF/services/org.apache.lucene.codecs.PostingsFormat
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at java.io.FileInputStream.<init>(FileInputStream.java:93)
        at 
sun.net.www.protocol.file.FileURLConnection.connect(FileURLConnection.java:90)
        at 
sun.net.www.protocol.file.FileURLConnection.getInputStream(FileURLConnection.java:188)
        at java.net.URL.openStream(URL.java:1045)
        at 
org.apache.lucene.util.SPIClassIterator.loadNextProfile(SPIClassIterator.java:109)
        ... 15 more


FAILED:  junit.framework.TestSuite.org.apache.solr.search.ReturnFieldsTest

Error Message:
Could not remove the following files (in the order of attempts):    
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/test/J1/temp/solr.search.ReturnFieldsTest_A16006AB109E9B8-001/init-core-data-001:
 java.nio.file.FileSystemException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/test/J1/temp/solr.search.ReturnFieldsTest_A16006AB109E9B8-001/init-core-data-001:
 Too many open files    
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/test/J1/temp/solr.search.ReturnFieldsTest_A16006AB109E9B8-001:
 java.nio.file.FileSystemException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/test/J1/temp/solr.search.ReturnFieldsTest_A16006AB109E9B8-001:
 Too many open files 

Stack Trace:
java.io.IOException: Could not remove the following files (in the order of 
attempts):
   
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/test/J1/temp/solr.search.ReturnFieldsTest_A16006AB109E9B8-001/init-core-data-001:
 java.nio.file.FileSystemException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/test/J1/temp/solr.search.ReturnFieldsTest_A16006AB109E9B8-001/init-core-data-001:
 Too many open files
   
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/test/J1/temp/solr.search.ReturnFieldsTest_A16006AB109E9B8-001:
 java.nio.file.FileSystemException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/test/J1/temp/solr.search.ReturnFieldsTest_A16006AB109E9B8-001:
 Too many open files

        at org.apache.lucene.util.IOUtils.rm(IOUtils.java:329)
        at 
org.apache.lucene.util.TestRuleTemporaryFilesCleanup.afterAlways(TestRuleTemporaryFilesCleanup.java:216)
        at 
com.carrotsearch.randomizedtesting.rules.TestRuleAdapter$1.afterAlways(TestRuleAdapter.java:31)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:43)
        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$1.evaluate(TestRuleIgnoreTestSuites.java:54)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at java.lang.Thread.run(Thread.java:748)


FAILED:  junit.framework.TestSuite.org.apache.solr.search.TestRealTimeGet

Error Message:
org.apache.solr.search.TestRealTimeGet

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.search.TestRealTimeGet
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:273)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:233)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:355)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/search/TestRealTimeGet.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  junit.framework.TestSuite.org.apache.solr.search.TestReload

Error Message:
org.apache.solr.search.TestReload

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.search.TestReload
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:273)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:233)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:355)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/search/TestReload.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  junit.framework.TestSuite.org.apache.solr.search.TestXmlQParserPlugin

Error Message:
org.apache.solr.search.TestXmlQParserPlugin

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.search.TestXmlQParserPlugin
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:273)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:233)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:355)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-6.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/search/TestXmlQParserPlugin.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  
junit.framework.TestSuite.org.apache.solr.search.join.TestScoreJoinQPScore

Error Message:
org.apache.solr.search.join.TestScoreJoinQPScore

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.search.join.TestScoreJoinQPScore
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:273)
        at com.ca

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

nit4]    >         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >    7) Thread[id=8545, name=zkCallback-1445-thread-1, 
state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >    8) Thread[id=8548, 
name=OverseerHdfsCoreFailoverThread-98179799860969476-127.0.0.1:63099_m_yge-n_0000000000,
 state=TIMED_WAITING, group=Overseer Hdfs SolrCore Failover Thread.]
   [junit4]    >         at java.lang.Thread.sleep(Native Method)
   [junit4]    >         at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:111)
   [junit4]    >         at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:70)
   [junit4]    >         at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:354)
   [junit4]    >         at 
org.apache.solr.common.cloud.ZkStateReader.fetchCollectionState(ZkStateReader.java:1110)
   [junit4]    >         at 
org.apache.solr.common.cloud.ZkStateReader.getCollectionLive(ZkStateReader.java:1096)
   [junit4]    >         at 
org.apache.solr.common.cloud.ZkStateReader$LazyCollectionRef.get(ZkStateReader.java:638)
   [junit4]    >         at 
org.apache.solr.common.cloud.ClusterState.getCollectionsMap(ClusterState.java:250)
   [junit4]    >         at 
org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.doWork(OverseerAutoReplicaFailoverThread.java:166)
   [junit4]    >         at 
org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.run(OverseerAutoReplicaFailoverThread.java:131)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >    9) Thread[id=8543, 
name=TEST-BasicDistributedZkTest.test-seed#[A16006AB109E9B8]-SendThread(127.0.0.1:63096),
 state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]
   [junit4]    >         at java.lang.Thread.sleep(Native Method)
   [junit4]    >         at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1051)
   [junit4]    >   10) Thread[id=8544, 
name=TEST-BasicDistributedZkTest.test-seed#[A16006AB109E9B8]-EventThread, 
state=WAITING, group=TGRP-BasicDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
   [junit4]    >         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
   [junit4]    >         at 
org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:501)
   [junit4]    >   11) Thread[id=8549, name=zkCallback-1445-thread-2, 
state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([A16006AB109E9B8]:0)Throwable #2: 
com.carrotsearch.randomizedtesting.ThreadLeakError: There are still zombie 
threads that couldn't be terminated:
   [junit4]    >    1) Thread[id=8551, name=zkCallback-1445-thread-4, 
state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >    2) Thread[id=8550, name=zkCallback-1445-thread-3, 
state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >    3) Thread[id=8545, name=zkCallback-1445-thread-1, 
state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >    4) Thread[id=8543, 
name=TEST-BasicDistributedZkTest.test-seed#[A16006AB109E9B8]-SendThread(127.0.0.1:63096),
 state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]
   [junit4]    >         at java.lang.Thread.sleep(Native Method)
   [junit4]    >         at 
org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)
   [junit4]    >         at 
org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:997)
   [junit4]    >         at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1060)
   [junit4]    >    5) Thread[id=8549, name=zkCallback-1445-thread-2, 
state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([A16006AB109E9B8]:0)
   [junit4] Completed [305/715 (33!)] on J1 in 23.86s, 1 test, 3 errors <<< 
FAILURES!

[...truncated 44796 lines...]
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