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Posted to dev@lucene.apache.org by Policeman Jenkins Server <je...@thetaphi.de> on 2017/03/04 04:38:49 UTC

[JENKINS] Lucene-Solr-6.x-Solaris (64bit/jdk1.8.0) - Build # 701 - Still Unstable!

Build: https://jenkins.thetaphi.de/job/Lucene-Solr-6.x-Solaris/701/
Java: 64bit/jdk1.8.0 -XX:+UseCompressedOops -XX:+UseG1GC

3 tests failed.
FAILED:  org.apache.solr.cloud.UnloadDistributedZkTest.test

Error Message:
java.util.concurrent.TimeoutException: Could not connect to ZooKeeper 127.0.0.1:62957 within 30000 ms

Stack Trace:
org.apache.solr.common.SolrException: java.util.concurrent.TimeoutException: Could not connect to ZooKeeper 127.0.0.1:62957 within 30000 ms
	at __randomizedtesting.SeedInfo.seed([75E4927797071ABC:FDB0ADAD39FB7744]:0)
	at org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:182)
	at org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:116)
	at org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:111)
	at org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:98)
	at org.apache.solr.cloud.AbstractDistribZkTestBase.printLayout(AbstractDistribZkTestBase.java:322)
	at org.apache.solr.cloud.AbstractFullDistribZkTestBase.distribTearDown(AbstractFullDistribZkTestBase.java:1509)
	at org.apache.solr.cloud.BasicDistributedZkTest.distribTearDown(BasicDistributedZkTest.java:1142)
	at org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsStatement.evaluate(BaseDistributedSearchTestCase.java:969)
	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:745)
Caused by: java.util.concurrent.TimeoutException: Could not connect to ZooKeeper 127.0.0.1:62957 within 30000 ms
	at org.apache.solr.common.cloud.ConnectionManager.waitForConnected(ConnectionManager.java:233)
	at org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:174)
	... 38 more


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

Error Message:
72 threads leaked from SUITE scope at org.apache.solr.cloud.UnloadDistributedZkTest:     1) Thread[id=5159, name=TEST-UnloadDistributedZkTest.test-seed#[75E4927797071ABC]-SendThread(127.0.0.1:62957), state=RUNNABLE, group=TGRP-UnloadDistributedZkTest]         at sun.nio.ch.DevPollArrayWrapper.poll0(Native Method)         at sun.nio.ch.DevPollArrayWrapper.poll(DevPollArrayWrapper.java:223)         at sun.nio.ch.DevPollSelectorImpl.doSelect(DevPollSelectorImpl.java:98)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)         at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)    2) Thread[id=5174, name=TEST-UnloadDistributedZkTest.test-seed#[75E4927797071ABC]-EventThread, state=WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)    3) Thread[id=5216, name=qtp389911448-5216, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)    4) Thread[id=5193, name=solr-idle-connections-evictor, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at java.lang.Thread.sleep(Native Method)         at org.apache.solr.update.UpdateShardHandler$IdleConnectionsEvictor$1.run(UpdateShardHandler.java:258)         at java.lang.Thread.run(Thread.java:745)    5) Thread[id=5215, name=qtp389911448-5215, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)    6) Thread[id=5142, name=qtp1829639218-5142, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)    7) Thread[id=5147, name=qtp1829639218-5147, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)    8) Thread[id=5194, name=solr-idle-connections-evictor, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at java.lang.Thread.sleep(Native Method)         at org.apache.solr.update.UpdateShardHandler$IdleConnectionsEvictor$1.run(UpdateShardHandler.java:258)         at java.lang.Thread.run(Thread.java:745)    9) Thread[id=5230, name=qtp1107746041-5230, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   10) Thread[id=5160, name=TEST-UnloadDistributedZkTest.test-seed#[75E4927797071ABC]-EventThread, state=WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)   11) Thread[id=5213, name=qtp389911448-5213, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   12) Thread[id=5211, name=qtp389911448-5211-acceptor-0@888de5c-ServerConnector@179e1d93{HTTP/1.1,[http/1.1]}{127.0.0.1:62957}, state=RUNNABLE, group=TGRP-UnloadDistributedZkTest]         at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)         at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422)         at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250)         at org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:373)         at org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:601)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)         at java.lang.Thread.run(Thread.java:745)   13) Thread[id=5144, name=qtp1829639218-5144, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   14) Thread[id=5132, name=SessionTracker, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at java.lang.Object.wait(Native Method)         at org.apache.zookeeper.server.SessionTrackerImpl.run(SessionTrackerImpl.java:146)   15) Thread[id=5143, name=qtp1829639218-5143-acceptor-0@526d86cf-ServerConnector@17b10f53{HTTP/1.1,[http/1.1]}{127.0.0.1:63017}, state=RUNNABLE, group=TGRP-UnloadDistributedZkTest]         at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)         at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422)         at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250)         at org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:373)         at org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:601)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)         at java.lang.Thread.run(Thread.java:745)   16) Thread[id=5145, name=qtp1829639218-5145, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   17) Thread[id=5198, name=TEST-UnloadDistributedZkTest.test-seed#[75E4927797071ABC]-SendThread(127.0.0.1:62957), state=RUNNABLE, group=TGRP-UnloadDistributedZkTest]         at sun.nio.ch.DevPollArrayWrapper.poll0(Native Method)         at sun.nio.ch.DevPollArrayWrapper.poll(DevPollArrayWrapper.java:223)         at sun.nio.ch.DevPollSelectorImpl.doSelect(DevPollSelectorImpl.java:98)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)         at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)   18) Thread[id=5181, name=qtp1723066536-5181-acceptor-0@b69a95f-ServerConnector@7ae7ec8a{HTTP/1.1,[http/1.1]}{127.0.0.1:37477}, state=RUNNABLE, group=TGRP-UnloadDistributedZkTest]         at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)         at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422)         at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250)         at org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:373)         at org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:601)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)         at java.lang.Thread.run(Thread.java:745)   19) Thread[id=5164, name=OverseerHdfsCoreFailoverThread-97556873107996676-127.0.0.1:63017_-n_0000000000, state=TIMED_WAITING, group=Overseer Hdfs SolrCore Failover Thread.]         at java.lang.Thread.sleep(Native Method)         at org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.run(OverseerAutoReplicaFailoverThread.java:139)         at java.lang.Thread.run(Thread.java:745)   20) Thread[id=5214, name=qtp389911448-5214, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   21) Thread[id=5240, name=qtp1731204312-5240, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   22) Thread[id=5231, name=Scheduler-1138838334, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   23) Thread[id=5163, name=OverseerCollectionConfigSetProcessor-97556873107996676-127.0.0.1:63017_-n_0000000000, state=TIMED_WAITING, group=Overseer collection creation process.]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.apache.solr.cloud.DistributedQueue.peekElements(DistributedQueue.java:343)         at org.apache.solr.cloud.OverseerTaskQueue.peekTopN(OverseerTaskQueue.java:235)         at org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:227)         at java.lang.Thread.run(Thread.java:745)   24) Thread[id=5227, name=qtp1107746041-5227, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         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.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   25) Thread[id=5239, name=qtp1731204312-5239, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   26) Thread[id=5173, name=TEST-UnloadDistributedZkTest.test-seed#[75E4927797071ABC]-SendThread(127.0.0.1:62957), state=RUNNABLE, group=TGRP-UnloadDistributedZkTest]         at sun.nio.ch.DevPollArrayWrapper.poll0(Native Method)         at sun.nio.ch.DevPollArrayWrapper.poll(DevPollArrayWrapper.java:223)         at sun.nio.ch.DevPollSelectorImpl.doSelect(DevPollSelectorImpl.java:98)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)         at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)   27) Thread[id=5162, name=OverseerStateUpdate-97556873107996676-127.0.0.1:63017_-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$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:164)         at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:138)         at org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:180)         at java.lang.Thread.run(Thread.java:745)   28) Thread[id=5218, name=Scheduler-2041374613, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   29) Thread[id=5219, name=org.eclipse.jetty.server.session.HashSessionManager@5bcca265Timer, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   30) Thread[id=5186, name=qtp1723066536-5186, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         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.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   31) Thread[id=5134, name=ProcessThread(sid:0 cport:-1):, state=WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:120)   32) Thread[id=5149, name=Scheduler-1223069376, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   33) Thread[id=5189, name=org.eclipse.jetty.server.session.HashSessionManager@1ae1b3e5Timer, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   34) Thread[id=5236, name=qtp1731204312-5236, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         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.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   35) Thread[id=5182, name=qtp1723066536-5182, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   36) Thread[id=5185, name=qtp1723066536-5185, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   37) Thread[id=5225, name=qtp1107746041-5225-acceptor-0@54c85167-ServerConnector@5e470768{HTTP/1.1,[http/1.1]}{127.0.0.1:46494}, state=RUNNABLE, group=TGRP-UnloadDistributedZkTest]         at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)         at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422)         at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250)         at org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:373)         at org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:601)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)         at java.lang.Thread.run(Thread.java:745)   38) Thread[id=5244, name=org.eclipse.jetty.server.session.HashSessionManager@4486584aTimer, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   39) Thread[id=5208, name=searcherExecutor-1347-thread-1, state=WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   40) Thread[id=5224, name=qtp1107746041-5224, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   41) Thread[id=5154, name=solr-idle-connections-evictor, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at java.lang.Thread.sleep(Native Method)         at org.apache.solr.update.UpdateShardHandler$IdleConnectionsEvictor$1.run(UpdateShardHandler.java:258)         at java.lang.Thread.run(Thread.java:745)   42) Thread[id=5217, name=qtp389911448-5217, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   43) Thread[id=5242, name=qtp1731204312-5242, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   44) Thread[id=5226, name=qtp1107746041-5226, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   45) Thread[id=5232, name=org.eclipse.jetty.server.session.HashSessionManager@6820da39Timer, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   46) Thread[id=5146, name=qtp1829639218-5146, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   47) Thread[id=5166, name=Thread-2238, state=WAITING, group=TGRP-UnloadDistributedZkTest]         at java.lang.Object.wait(Native Method)         at java.lang.Object.wait(Object.java:502)         at org.apache.solr.core.CloserThread.run(CoreContainer.java:1456)   48) Thread[id=5228, name=qtp1107746041-5228, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   49) Thread[id=5130, name=Thread-2229, state=WAITING, group=TGRP-UnloadDistributedZkTest]         at java.lang.Object.wait(Native Method)         at java.lang.Thread.join(Thread.java:1249)         at java.lang.Thread.join(Thread.java:1323)         at org.apache.zookeeper.server.NIOServerCnxnFactory.join(NIOServerCnxnFactory.java:302)         at org.apache.solr.cloud.ZkTestServer$ZKServerMain.runFromConfig(ZkTestServer.java:309)         at org.apache.solr.cloud.ZkTestServer$2.run(ZkTestServer.java:490)   50) Thread[id=5183, name=qtp1723066536-5183, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   51) Thread[id=5237, name=qtp1731204312-5237-acceptor-0@5c6e13f5-ServerConnector@57a0fe82{HTTP/1.1,[http/1.1]}{127.0.0.1:39048}, state=RUNNABLE, group=TGRP-UnloadDistributedZkTest]         at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)         at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422)         at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250)         at org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:373)         at org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:601)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)         at java.lang.Thread.run(Thread.java:745)   52) Thread[id=5155, name=solr-idle-connections-evictor, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at java.lang.Thread.sleep(Native Method)         at org.apache.solr.update.UpdateShardHandler$IdleConnectionsEvictor$1.run(UpdateShardHandler.java:258)         at java.lang.Thread.run(Thread.java:745)   53) Thread[id=5222, name=Scheduler-1527006479, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   54) Thread[id=5199, name=TEST-UnloadDistributedZkTest.test-seed#[75E4927797071ABC]-EventThread, state=WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)   55) Thread[id=5238, name=qtp1731204312-5238, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   56) Thread[id=5141, name=qtp1829639218-5141, state=RUNNABLE, group=TGRP-UnloadDistributedZkTest]         at sun.nio.ch.DevPollArrayWrapper.poll0(Native Method)         at sun.nio.ch.DevPollArrayWrapper.poll(DevPollArrayWrapper.java:223)         at sun.nio.ch.DevPollSelectorImpl.doSelect(DevPollSelectorImpl.java:98)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)         at org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)         at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)         at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)         at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:100)         at org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:147)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)         at java.lang.Thread.run(Thread.java:745)   57) Thread[id=5150, name=org.eclipse.jetty.server.session.HashSessionManager@4ff05c90Timer, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   58) Thread[id=5241, name=qtp1731204312-5241, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   59) Thread[id=5148, name=qtp1829639218-5148, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   60) Thread[id=5184, name=qtp1723066536-5184, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   61) Thread[id=5210, name=qtp389911448-5210, state=RUNNABLE, group=TGRP-UnloadDistributedZkTest]         at sun.nio.ch.DevPollArrayWrapper.poll0(Native Method)         at sun.nio.ch.DevPollArrayWrapper.poll(DevPollArrayWrapper.java:223)         at sun.nio.ch.DevPollSelectorImpl.doSelect(DevPollSelectorImpl.java:98)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)         at org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)         at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)         at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)         at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)         at java.lang.Thread.run(Thread.java:745)   62) Thread[id=5187, name=qtp1723066536-5187, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   63) Thread[id=5180, name=qtp1723066536-5180, state=RUNNABLE, group=TGRP-UnloadDistributedZkTest]         at sun.nio.ch.DevPollArrayWrapper.poll0(Native Method)         at sun.nio.ch.DevPollArrayWrapper.poll(DevPollArrayWrapper.java:223)         at sun.nio.ch.DevPollSelectorImpl.doSelect(DevPollSelectorImpl.java:98)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)         at org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)         at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)         at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)         at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:100)         at org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:147)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)         at java.lang.Thread.run(Thread.java:745)   64) Thread[id=5212, name=qtp389911448-5212, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   65) Thread[id=5204, name=Thread-2247, state=WAITING, group=TGRP-UnloadDistributedZkTest]         at java.lang.Object.wait(Native Method)         at java.lang.Object.wait(Object.java:502)         at org.apache.solr.core.CloserThread.run(CoreContainer.java:1456)   66) Thread[id=5223, name=qtp1107746041-5223, state=RUNNABLE, group=TGRP-UnloadDistributedZkTest]         at sun.nio.ch.DevPollArrayWrapper.poll0(Native Method)         at sun.nio.ch.DevPollArrayWrapper.poll(DevPollArrayWrapper.java:223)         at sun.nio.ch.DevPollSelectorImpl.doSelect(DevPollSelectorImpl.java:98)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)         at org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)         at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)         at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)         at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:100)         at org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:147)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)         at java.lang.Thread.run(Thread.java:745)   67) Thread[id=5188, name=Scheduler-901237237, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   68) Thread[id=5243, name=Scheduler-1456911111, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   69) Thread[id=5229, name=qtp1107746041-5229, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)         at java.lang.Thread.run(Thread.java:745)   70) Thread[id=5170, name=searcherExecutor-1336-thread-1, state=WAITING, group=TGRP-UnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   71) Thread[id=5131, name=NIOServerCxn.Factory:0.0.0.0/0.0.0.0:0, state=RUNNABLE, group=TGRP-UnloadDistributedZkTest]         at sun.nio.ch.DevPollArrayWrapper.poll0(Native Method)         at sun.nio.ch.DevPollArrayWrapper.poll(DevPollArrayWrapper.java:223)         at sun.nio.ch.DevPollSelectorImpl.doSelect(DevPollSelectorImpl.java:98)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:178)         at java.lang.Thread.run(Thread.java:745)   72) Thread[id=5235, name=qtp1731204312-5235, state=RUNNABLE, group=TGRP-UnloadDistributedZkTest]         at sun.nio.ch.DevPollArrayWrapper.poll0(Native Method)         at sun.nio.ch.DevPollArrayWrapper.poll(DevPollArrayWrapper.java:223)         at sun.nio.ch.DevPollSelectorImpl.doSelect(DevPollSelectorImpl.java:98)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)         at org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)         at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)         at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)         at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:100)         at org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:147)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)         at java.lang.Thread.run(Thread.java:745)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 72 threads leaked from SUITE scope at org.apache.solr.cloud.UnloadDistributedZkTest: 
   1) Thread[id=5159, name=TEST-UnloadDistributedZkTest.test-seed#[75E4927797071ABC]-SendThread(127.0.0.1:62957), state=RUNNABLE, group=TGRP-UnloadDistributedZkTest]
        at sun.nio.ch.DevPollArrayWrapper.poll0(Native Method)
        at sun.nio.ch.DevPollArrayWrapper.poll(DevPollArrayWrapper.java:223)
        at sun.nio.ch.DevPollSelectorImpl.doSelect(DevPollSelectorImpl.java:98)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)
   2) Thread[id=5174, name=TEST-UnloadDistributedZkTest.test-seed#[75E4927797071ABC]-EventThread, state=WAITING, group=TGRP-UnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)
   3) Thread[id=5216, name=qtp389911448-5216, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:745)
   4) Thread[id=5193, name=solr-idle-connections-evictor, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.solr.update.UpdateShardHandler$IdleConnectionsEvictor$1.run(UpdateShardHandler.java:258)
        at java.lang.Thread.run(Thread.java:745)
   5) Thread[id=5215, name=qtp389911448-5215, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:745)
   6) Thread[id=5142, name=qtp1829639218-5142, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:745)
   7) Thread[id=5147, name=qtp1829639218-5147, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:745)
   8) Thread[id=5194, name=solr-idle-connections-evictor, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.solr.update.UpdateShardHandler$IdleConnectionsEvictor$1.run(UpdateShardHandler.java:258)
        at java.lang.Thread.run(Thread.java:745)
   9) Thread[id=5230, name=qtp1107746041-5230, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:745)
  10) Thread[id=5160, name=TEST-UnloadDistributedZkTest.test-seed#[75E4927797071ABC]-EventThread, state=WAITING, group=TGRP-UnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)
  11) Thread[id=5213, name=qtp389911448-5213, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:745)
  12) Thread[id=5211, name=qtp389911448-5211-acceptor-0@888de5c-ServerConnector@179e1d93{HTTP/1.1,[http/1.1]}{127.0.0.1:62957}, state=RUNNABLE, group=TGRP-UnloadDistributedZkTest]
        at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)
        at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422)
        at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250)
        at org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:373)
        at org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:601)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
        at java.lang.Thread.run(Thread.java:745)
  13) Thread[id=5144, name=qtp1829639218-5144, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:745)
  14) Thread[id=5132, name=SessionTracker, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        at java.lang.Object.wait(Native Method)
        at org.apache.zookeeper.server.SessionTrackerImpl.run(SessionTrackerImpl.java:146)
  15) Thread[id=5143, name=qtp1829639218-5143-acceptor-0@526d86cf-ServerConnector@17b10f53{HTTP/1.1,[http/1.1]}{127.0.0.1:63017}, state=RUNNABLE, group=TGRP-UnloadDistributedZkTest]
        at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)
        at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422)
        at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250)
        at org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:373)
        at org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:601)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
        at java.lang.Thread.run(Thread.java:745)
  16) Thread[id=5145, name=qtp1829639218-5145, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:745)
  17) Thread[id=5198, name=TEST-UnloadDistributedZkTest.test-seed#[75E4927797071ABC]-SendThread(127.0.0.1:62957), state=RUNNABLE, group=TGRP-UnloadDistributedZkTest]
        at sun.nio.ch.DevPollArrayWrapper.poll0(Native Method)
        at sun.nio.ch.DevPollArrayWrapper.poll(DevPollArrayWrapper.java:223)
        at sun.nio.ch.DevPollSelectorImpl.doSelect(DevPollSelectorImpl.java:98)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)
  18) Thread[id=5181, name=qtp1723066536-5181-acceptor-0@b69a95f-ServerConnector@7ae7ec8a{HTTP/1.1,[http/1.1]}{127.0.0.1:37477}, state=RUNNABLE, group=TGRP-UnloadDistributedZkTest]
        at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)
        at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422)
        at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250)
        at org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:373)
        at org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:601)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
        at java.lang.Thread.run(Thread.java:745)
  19) Thread[id=5164, name=OverseerHdfsCoreFailoverThread-97556873107996676-127.0.0.1:63017_-n_0000000000, state=TIMED_WAITING, group=Overseer Hdfs SolrCore Failover Thread.]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.run(OverseerAutoReplicaFailoverThread.java:139)
        at java.lang.Thread.run(Thread.java:745)
  20) Thread[id=5214, name=qtp389911448-5214, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:745)
  21) Thread[id=5240, name=qtp1731204312-5240, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:745)
  22) Thread[id=5231, name=Scheduler-1138838334, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
  23) Thread[id=5163, name=OverseerCollectionConfigSetProcessor-97556873107996676-127.0.0.1:63017_-n_0000000000, state=TIMED_WAITING, group=Overseer collection creation process.]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at org.apache.solr.cloud.DistributedQueue.peekElements(DistributedQueue.java:343)
        at org.apache.solr.cloud.OverseerTaskQueue.peekTopN(OverseerTaskQueue.java:235)
        at org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:227)
        at java.lang.Thread.run(Thread.java:745)
  24) Thread[id=5227, name=qtp1107746041-5227, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        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.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:745)
  25) Thread[id=5239, name=qtp1731204312-5239, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:745)
  26) Thread[id=5173, name=TEST-UnloadDistributedZkTest.test-seed#[75E4927797071ABC]-SendThread(127.0.0.1:62957), state=RUNNABLE, group=TGRP-UnloadDistributedZkTest]
        at sun.nio.ch.DevPollArrayWrapper.poll0(Native Method)
        at sun.nio.ch.DevPollArrayWrapper.poll(DevPollArrayWrapper.java:223)
        at sun.nio.ch.DevPollSelectorImpl.doSelect(DevPollSelectorImpl.java:98)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)
  27) Thread[id=5162, name=OverseerStateUpdate-97556873107996676-127.0.0.1:63017_-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$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:164)
        at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:138)
        at org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:180)
        at java.lang.Thread.run(Thread.java:745)
  28) Thread[id=5218, name=Scheduler-2041374613, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
  29) Thread[id=5219, name=org.eclipse.jetty.server.session.HashSessionManager@5bcca265Timer, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
  30) Thread[id=5186, name=qtp1723066536-5186, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        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.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:745)
  31) Thread[id=5134, name=ProcessThread(sid:0 cport:-1):, state=WAITING, group=TGRP-UnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:120)
  32) Thread[id=5149, name=Scheduler-1223069376, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
  33) Thread[id=5189, name=org.eclipse.jetty.server.session.HashSessionManager@1ae1b3e5Timer, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
  34) Thread[id=5236, name=qtp1731204312-5236, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        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.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:745)
  35) Thread[id=5182, name=qtp1723066536-5182, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:745)
  36) Thread[id=5185, name=qtp1723066536-5185, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:745)
  37) Thread[id=5225, name=qtp1107746041-5225-acceptor-0@54c85167-ServerConnector@5e470768{HTTP/1.1,[http/1.1]}{127.0.0.1:46494}, state=RUNNABLE, group=TGRP-UnloadDistributedZkTest]
        at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)
        at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422)
        at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250)
        at org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:373)
        at org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:601)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
        at java.lang.Thread.run(Thread.java:745)
  38) Thread[id=5244, name=org.eclipse.jetty.server.session.HashSessionManager@4486584aTimer, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
  39) Thread[id=5208, name=searcherExecutor-1347-thread-1, state=WAITING, group=TGRP-UnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
  40) Thread[id=5224, name=qtp1107746041-5224, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
     

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

e.jetty.server.session.HashSessionManager@5bcca265Timer, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
   [junit4]    >         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
   [junit4]    >         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
   [junit4]    >         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
   [junit4]    >         at java.lang.Thread.run(Thread.java:745)
   [junit4]    >   16) Thread[id=5223, name=qtp1107746041-5223, state=RUNNABLE, group=TGRP-UnloadDistributedZkTest]
   [junit4]    >         at sun.nio.ch.IOUtil.drain(Native Method)
   [junit4]    >         at sun.nio.ch.DevPollSelectorImpl.doSelect(DevPollSelectorImpl.java:109)
   [junit4]    >         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
   [junit4]    >         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
   [junit4]    >         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
   [junit4]    >         at org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
   [junit4]    >         at org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
   [junit4]    >         at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
   [junit4]    >         at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
   [junit4]    >         at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:100)
   [junit4]    >         at org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:147)
   [junit4]    >         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
   [junit4]    >         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
   [junit4]    >         at java.lang.Thread.run(Thread.java:745)
   [junit4]    >   17) Thread[id=5188, name=Scheduler-901237237, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
   [junit4]    >         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
   [junit4]    >         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
   [junit4]    >         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
   [junit4]    >         at java.lang.Thread.run(Thread.java:745)
   [junit4]    >   18) Thread[id=5243, name=Scheduler-1456911111, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
   [junit4]    >         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
   [junit4]    >         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
   [junit4]    >         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
   [junit4]    >         at java.lang.Thread.run(Thread.java:745)
   [junit4]    >   19) Thread[id=5166, name=Thread-2238, state=WAITING, group=TGRP-UnloadDistributedZkTest]
   [junit4]    >         at java.lang.Object.wait(Native Method)
   [junit4]    >         at java.lang.Object.wait(Object.java:502)
   [junit4]    >         at org.apache.solr.core.CloserThread.run(CoreContainer.java:1456)
   [junit4]    >   20) Thread[id=5170, name=searcherExecutor-1336-thread-1, state=WAITING, group=TGRP-UnloadDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
   [junit4]    >         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
   [junit4]    >         at java.lang.Thread.run(Thread.java:745)
   [junit4]    >   21) Thread[id=5149, name=Scheduler-1223069376, state=TIMED_WAITING, group=TGRP-UnloadDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
   [junit4]    >         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
   [junit4]    >         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
   [junit4]    >         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
   [junit4]    >         at java.lang.Thread.run(Thread.java:745)
   [junit4]    >   22) Thread[id=5222, name=Scheduler-1527006479, state=WAITING, group=TGRP-UnloadDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
   [junit4]    >         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1081)
   [junit4]    >         at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
   [junit4]    >         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
   [junit4]    >         at java.lang.Thread.run(Thread.java:745)
   [junit4]    >   23) Thread[id=5235, name=qtp1731204312-5235, state=RUNNABLE, group=TGRP-UnloadDistributedZkTest]
   [junit4]    >         at sun.nio.ch.IOUtil.drain(Native Method)
   [junit4]    >         at sun.nio.ch.DevPollSelectorImpl.doSelect(DevPollSelectorImpl.java:109)
   [junit4]    >         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
   [junit4]    >         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
   [junit4]    >         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
   [junit4]    >         at org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
   [junit4]    >         at org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
   [junit4]    >         at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
   [junit4]    >         at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
   [junit4]    >         at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:100)
   [junit4]    >         at org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:147)
   [junit4]    >         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
   [junit4]    >         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
   [junit4]    >         at java.lang.Thread.run(Thread.java:745)
   [junit4]    > 	at __randomizedtesting.SeedInfo.seed([75E4927797071ABC]:0)
   [junit4] Completed [137/697 (1!)] on J0 in 183.33s, 1 test, 3 errors <<< FAILURES!

[...truncated 64505 lines...]