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Posted to dev@lucene.apache.org by Policeman Jenkins Server <je...@thetaphi.de> on 2015/09/13 17:48:01 UTC

[JENKINS] Lucene-Solr-5.x-Linux (32bit/jdk1.8.0_60) - Build # 13920 - Failure!

Build: http://jenkins.thetaphi.de/job/Lucene-Solr-5.x-Linux/13920/
Java: 32bit/jdk1.8.0_60 -client -XX:+UseConcMarkSweepGC

29 tests failed.
FAILED:  junit.framework.TestSuite.org.apache.solr.cloud.LeaderElectionIntegrationTest

Error Message:
19 threads leaked from SUITE scope at org.apache.solr.cloud.LeaderElectionIntegrationTest:     1) Thread[id=295, name=OverseerCollectionConfigSetProcessor-94513301652504579-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer collection creation process.]         at java.lang.Thread.sleep(Native Method)         at org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:108)         at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:76)         at org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:325)         at org.apache.solr.cloud.DistributedQueue.fetchZkChildren(DistributedQueue.java:311)         at org.apache.solr.cloud.DistributedQueue.firstChild(DistributedQueue.java:290)         at org.apache.solr.cloud.DistributedQueue.firstElement(DistributedQueue.java:359)         at org.apache.solr.cloud.DistributedQueue.getChildren(DistributedQueue.java:338)         at org.apache.solr.cloud.OverseerTaskQueue.peekTopN(OverseerTaskQueue.java:210)         at org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:197)         at java.lang.Thread.run(Thread.java:745)    2) Thread[id=317, name=OverseerStateUpdate-94513301757886467-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer state updater.]         at java.lang.Thread.sleep(Native Method)         at org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:108)         at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:76)         at org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:325)         at org.apache.solr.cloud.DistributedQueue.fetchZkChildren(DistributedQueue.java:311)         at org.apache.solr.cloud.DistributedQueue.firstChild(DistributedQueue.java:290)         at org.apache.solr.cloud.DistributedQueue.firstElement(DistributedQueue.java:359)         at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:166)         at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:144)         at org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:193)         at java.lang.Thread.run(Thread.java:745)    3) Thread[id=315, name=TEST-LeaderElectionIntegrationTest.testLeaderElectionAfterClientTimeout-seed#[95CCA6E410A8CB11]-EventThread, state=WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)    4) Thread[id=321, name=zkCallback-28-thread-2, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)    5) Thread[id=318, name=OverseerCollectionConfigSetProcessor-94513301757886467-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer collection creation process.]         at java.lang.Thread.sleep(Native Method)         at org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:108)         at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:76)         at org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:325)         at org.apache.solr.cloud.DistributedQueue.fetchZkChildren(DistributedQueue.java:311)         at org.apache.solr.cloud.DistributedQueue.firstChild(DistributedQueue.java:290)         at org.apache.solr.cloud.DistributedQueue.firstElement(DistributedQueue.java:359)         at org.apache.solr.cloud.DistributedQueue.getChildren(DistributedQueue.java:338)         at org.apache.solr.cloud.OverseerTaskQueue.peekTopN(OverseerTaskQueue.java:210)         at org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:197)         at java.lang.Thread.run(Thread.java:745)    6) Thread[id=303, name=zkCallback-23-thread-2, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)    7) Thread[id=316, name=zkCallback-28-thread-1, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)    8) Thread[id=304, name=zkCallback-23-thread-3, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)    9) Thread[id=322, name=zkCallback-28-thread-3, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   10) Thread[id=292, name=TEST-LeaderElectionIntegrationTest.testSimpleSliceLeaderElection-seed#[95CCA6E410A8CB11]-EventThread, state=WAITING, group=TGRP-LeaderElectionIntegrationTest]         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=296, name=OverseerHdfsCoreFailoverThread-94513301652504579-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer Hdfs SolrCore Failover Thread.]         at java.lang.Thread.sleep(Native Method)         at org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:108)         at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:76)         at org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:308)         at org.apache.solr.common.cloud.ZkStateReader.getClusterProps(ZkStateReader.java:730)         at org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.doWork(OverseerAutoReplicaFailoverThread.java:152)         at org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.run(OverseerAutoReplicaFailoverThread.java:131)         at java.lang.Thread.run(Thread.java:745)   12) Thread[id=314, name=TEST-LeaderElectionIntegrationTest.testLeaderElectionAfterClientTimeout-seed#[95CCA6E410A8CB11]-SendThread(127.0.0.1:52562), state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at java.lang.Thread.sleep(Native Method)         at org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)         at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:940)         at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1003)   13) Thread[id=297, name=Thread-173, state=WAITING, group=TGRP-LeaderElectionIntegrationTest]         at java.lang.Object.wait(Native Method)         at java.lang.Object.wait(Object.java:502)         at org.apache.solr.core.CloserThread.run(CoreContainer.java:1153)   14) Thread[id=293, name=zkCallback-23-thread-1, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   15) Thread[id=294, name=OverseerStateUpdate-94513301652504579-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer state updater.]         at java.lang.Thread.sleep(Native Method)         at org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:108)         at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:76)         at org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:325)         at org.apache.solr.cloud.DistributedQueue.fetchZkChildren(DistributedQueue.java:311)         at org.apache.solr.cloud.DistributedQueue.firstChild(DistributedQueue.java:290)         at org.apache.solr.cloud.DistributedQueue.firstElement(DistributedQueue.java:359)         at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:166)         at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:144)         at org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:193)         at java.lang.Thread.run(Thread.java:745)   16) Thread[id=291, name=TEST-LeaderElectionIntegrationTest.testSimpleSliceLeaderElection-seed#[95CCA6E410A8CB11]-SendThread(127.0.0.1:33137), state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at java.lang.Thread.sleep(Native Method)         at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:994)   17) Thread[id=323, name=zkCallback-28-thread-4, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   18) Thread[id=319, name=OverseerHdfsCoreFailoverThread-94513301757886467-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer Hdfs SolrCore Failover Thread.]         at java.lang.Thread.sleep(Native Method)         at org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:108)         at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:76)         at org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:308)         at org.apache.solr.common.cloud.ZkStateReader.getClusterProps(ZkStateReader.java:730)         at org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.doWork(OverseerAutoReplicaFailoverThread.java:152)         at org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.run(OverseerAutoReplicaFailoverThread.java:131)         at java.lang.Thread.run(Thread.java:745)   19) Thread[id=320, name=Thread-175, state=WAITING, group=TGRP-LeaderElectionIntegrationTest]         at java.lang.Object.wait(Native Method)         at java.lang.Object.wait(Object.java:502)         at org.apache.solr.core.CloserThread.run(CoreContainer.java:1153)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 19 threads leaked from SUITE scope at org.apache.solr.cloud.LeaderElectionIntegrationTest: 
   1) Thread[id=295, name=OverseerCollectionConfigSetProcessor-94513301652504579-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer collection creation process.]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:108)
        at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:76)
        at org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:325)
        at org.apache.solr.cloud.DistributedQueue.fetchZkChildren(DistributedQueue.java:311)
        at org.apache.solr.cloud.DistributedQueue.firstChild(DistributedQueue.java:290)
        at org.apache.solr.cloud.DistributedQueue.firstElement(DistributedQueue.java:359)
        at org.apache.solr.cloud.DistributedQueue.getChildren(DistributedQueue.java:338)
        at org.apache.solr.cloud.OverseerTaskQueue.peekTopN(OverseerTaskQueue.java:210)
        at org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:197)
        at java.lang.Thread.run(Thread.java:745)
   2) Thread[id=317, name=OverseerStateUpdate-94513301757886467-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer state updater.]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:108)
        at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:76)
        at org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:325)
        at org.apache.solr.cloud.DistributedQueue.fetchZkChildren(DistributedQueue.java:311)
        at org.apache.solr.cloud.DistributedQueue.firstChild(DistributedQueue.java:290)
        at org.apache.solr.cloud.DistributedQueue.firstElement(DistributedQueue.java:359)
        at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:166)
        at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:144)
        at org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:193)
        at java.lang.Thread.run(Thread.java:745)
   3) Thread[id=315, name=TEST-LeaderElectionIntegrationTest.testLeaderElectionAfterClientTimeout-seed#[95CCA6E410A8CB11]-EventThread, state=WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)
   4) Thread[id=321, name=zkCallback-28-thread-2, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
   5) Thread[id=318, name=OverseerCollectionConfigSetProcessor-94513301757886467-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer collection creation process.]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:108)
        at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:76)
        at org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:325)
        at org.apache.solr.cloud.DistributedQueue.fetchZkChildren(DistributedQueue.java:311)
        at org.apache.solr.cloud.DistributedQueue.firstChild(DistributedQueue.java:290)
        at org.apache.solr.cloud.DistributedQueue.firstElement(DistributedQueue.java:359)
        at org.apache.solr.cloud.DistributedQueue.getChildren(DistributedQueue.java:338)
        at org.apache.solr.cloud.OverseerTaskQueue.peekTopN(OverseerTaskQueue.java:210)
        at org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:197)
        at java.lang.Thread.run(Thread.java:745)
   6) Thread[id=303, name=zkCallback-23-thread-2, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
   7) Thread[id=316, name=zkCallback-28-thread-1, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
   8) Thread[id=304, name=zkCallback-23-thread-3, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
   9) Thread[id=322, name=zkCallback-28-thread-3, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
  10) Thread[id=292, name=TEST-LeaderElectionIntegrationTest.testSimpleSliceLeaderElection-seed#[95CCA6E410A8CB11]-EventThread, state=WAITING, group=TGRP-LeaderElectionIntegrationTest]
        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=296, name=OverseerHdfsCoreFailoverThread-94513301652504579-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer Hdfs SolrCore Failover Thread.]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:108)
        at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:76)
        at org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:308)
        at org.apache.solr.common.cloud.ZkStateReader.getClusterProps(ZkStateReader.java:730)
        at org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.doWork(OverseerAutoReplicaFailoverThread.java:152)
        at org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.run(OverseerAutoReplicaFailoverThread.java:131)
        at java.lang.Thread.run(Thread.java:745)
  12) Thread[id=314, name=TEST-LeaderElectionIntegrationTest.testLeaderElectionAfterClientTimeout-seed#[95CCA6E410A8CB11]-SendThread(127.0.0.1:52562), state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)
        at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:940)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1003)
  13) Thread[id=297, name=Thread-173, state=WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:502)
        at org.apache.solr.core.CloserThread.run(CoreContainer.java:1153)
  14) Thread[id=293, name=zkCallback-23-thread-1, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
  15) Thread[id=294, name=OverseerStateUpdate-94513301652504579-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer state updater.]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:108)
        at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:76)
        at org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:325)
        at org.apache.solr.cloud.DistributedQueue.fetchZkChildren(DistributedQueue.java:311)
        at org.apache.solr.cloud.DistributedQueue.firstChild(DistributedQueue.java:290)
        at org.apache.solr.cloud.DistributedQueue.firstElement(DistributedQueue.java:359)
        at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:166)
        at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:144)
        at org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:193)
        at java.lang.Thread.run(Thread.java:745)
  16) Thread[id=291, name=TEST-LeaderElectionIntegrationTest.testSimpleSliceLeaderElection-seed#[95CCA6E410A8CB11]-SendThread(127.0.0.1:33137), state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:994)
  17) Thread[id=323, name=zkCallback-28-thread-4, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
  18) Thread[id=319, name=OverseerHdfsCoreFailoverThread-94513301757886467-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer Hdfs SolrCore Failover Thread.]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:108)
        at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:76)
        at org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:308)
        at org.apache.solr.common.cloud.ZkStateReader.getClusterProps(ZkStateReader.java:730)
        at org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.doWork(OverseerAutoReplicaFailoverThread.java:152)
        at org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.run(OverseerAutoReplicaFailoverThread.java:131)
        at java.lang.Thread.run(Thread.java:745)
  19) Thread[id=320, name=Thread-175, state=WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:502)
        at org.apache.solr.core.CloserThread.run(CoreContainer.java:1153)
	at __randomizedtesting.SeedInfo.seed([95CCA6E410A8CB11]:0)


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

Error Message:
There are still zombie threads that couldn't be terminated:    1) Thread[id=321, name=zkCallback-28-thread-2, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)    2) Thread[id=303, name=zkCallback-23-thread-2, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)    3) Thread[id=316, name=zkCallback-28-thread-1, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)    4) Thread[id=304, name=zkCallback-23-thread-3, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)    5) Thread[id=322, name=zkCallback-28-thread-3, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)    6) Thread[id=296, name=OverseerHdfsCoreFailoverThread-94513301652504579-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer Hdfs SolrCore Failover Thread.]         at java.lang.Thread.sleep(Native Method)         at org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.run(OverseerAutoReplicaFailoverThread.java:139)         at java.lang.Thread.run(Thread.java:745)    7) Thread[id=314, name=TEST-LeaderElectionIntegrationTest.testLeaderElectionAfterClientTimeout-seed#[95CCA6E410A8CB11]-SendThread(127.0.0.1:52562), state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at java.lang.Thread.sleep(Native Method)         at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:994)    8) Thread[id=297, name=Thread-173, state=WAITING, group=TGRP-LeaderElectionIntegrationTest]         at java.lang.Object.wait(Native Method)         at java.lang.Object.wait(Object.java:502)         at org.apache.solr.core.CloserThread.run(CoreContainer.java:1153)    9) Thread[id=293, name=zkCallback-23-thread-1, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   10) Thread[id=291, name=TEST-LeaderElectionIntegrationTest.testSimpleSliceLeaderElection-seed#[95CCA6E410A8CB11]-SendThread(127.0.0.1:33137), state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at java.lang.Thread.sleep(Native Method)         at org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)         at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:940)         at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1003)   11) Thread[id=323, name=zkCallback-28-thread-4, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   12) Thread[id=319, name=OverseerHdfsCoreFailoverThread-94513301757886467-127.0.0.1:7000_solr-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)   13) Thread[id=320, name=Thread-175, state=WAITING, group=TGRP-LeaderElectionIntegrationTest]         at java.lang.Object.wait(Native Method)         at java.lang.Object.wait(Object.java:502)         at org.apache.solr.core.CloserThread.run(CoreContainer.java:1153)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: There are still zombie threads that couldn't be terminated:
   1) Thread[id=321, name=zkCallback-28-thread-2, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
   2) Thread[id=303, name=zkCallback-23-thread-2, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
   3) Thread[id=316, name=zkCallback-28-thread-1, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
   4) Thread[id=304, name=zkCallback-23-thread-3, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
   5) Thread[id=322, name=zkCallback-28-thread-3, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
   6) Thread[id=296, name=OverseerHdfsCoreFailoverThread-94513301652504579-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer Hdfs SolrCore Failover Thread.]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.run(OverseerAutoReplicaFailoverThread.java:139)
        at java.lang.Thread.run(Thread.java:745)
   7) Thread[id=314, name=TEST-LeaderElectionIntegrationTest.testLeaderElectionAfterClientTimeout-seed#[95CCA6E410A8CB11]-SendThread(127.0.0.1:52562), state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:994)
   8) Thread[id=297, name=Thread-173, state=WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:502)
        at org.apache.solr.core.CloserThread.run(CoreContainer.java:1153)
   9) Thread[id=293, name=zkCallback-23-thread-1, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
  10) Thread[id=291, name=TEST-LeaderElectionIntegrationTest.testSimpleSliceLeaderElection-seed#[95CCA6E410A8CB11]-SendThread(127.0.0.1:33137), state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)
        at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:940)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1003)
  11) Thread[id=323, name=zkCallback-28-thread-4, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
  12) Thread[id=319, name=OverseerHdfsCoreFailoverThread-94513301757886467-127.0.0.1:7000_solr-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)
  13) Thread[id=320, name=Thread-175, state=WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:502)
        at org.apache.solr.core.CloserThread.run(CoreContainer.java:1153)
	at __randomizedtesting.SeedInfo.seed([95CCA6E410A8CB11]:0)


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

Error Message:
56 threads leaked from SUITE scope at org.apache.solr.cloud.RecoveryZkTest:     1) Thread[id=3215, name=Scheduler-8530160, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         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)    2) Thread[id=3273, name=Scheduler-20138308, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         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)    3) Thread[id=3226, name=OverseerStateUpdate-94513322291363844-127.0.0.1:39086_-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$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:170)         at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:144)         at org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:193)         at java.lang.Thread.run(Thread.java:745)    4) Thread[id=3230, name=Thread-1284, state=WAITING, group=TGRP-RecoveryZkTest]         at java.lang.Object.wait(Native Method)         at java.lang.Object.wait(Object.java:502)         at org.apache.solr.core.CloserThread.run(CoreContainer.java:1153)    5) Thread[id=3228, name=OverseerHdfsCoreFailoverThread-94513322291363844-127.0.0.1:39086_-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)    6) Thread[id=3274, name=org.eclipse.jetty.server.session.HashSessionManager@bdba7dTimer, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         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)    7) Thread[id=3248, name=Scheduler-32210562, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         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)    8) Thread[id=3269, name=qtp4749150-3269-acceptor-0@1069d34-ServerConnector@14e9b2f{HTTP/1.1}{127.0.0.1:40691}, state=RUNNABLE, group=TGRP-RecoveryZkTest]         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:377)         at org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:500)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:745)    9) Thread[id=3211, name=qtp6873778-3211-acceptor-0@1d44d9b-ServerConnector@113a851{HTTP/1.1}{127.0.0.1:39086}, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)         at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422)         at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250)         at org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:377)         at org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:500)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:745)   10) Thread[id=3268, name=qtp4749150-3268-selector-ServerConnectorManager@1a3bede/3, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.select(SelectorManager.java:600)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.run(SelectorManager.java:549)         at org.eclipse.jetty.util.thread.NonBlockingThread.run(NonBlockingThread.java:52)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:745)   11) Thread[id=3216, name=org.eclipse.jetty.server.session.HashSessionManager@169aee5Timer, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   12) Thread[id=3272, name=qtp4749150-3272, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:389)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:531)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$700(QueuedThreadPool.java:47)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:590)         at java.lang.Thread.run(Thread.java:745)   13) Thread[id=3281, name=TEST-RecoveryZkTest.test-seed#[95CCA6E410A8CB11]-SendThread(127.0.0.1:36355), state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)         at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)   14) Thread[id=3270, name=qtp4749150-3270, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         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:389)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:531)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$700(QueuedThreadPool.java:47)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:590)         at java.lang.Thread.run(Thread.java:745)   15) Thread[id=3195, name=Thread-1274, state=WAITING, group=TGRP-RecoveryZkTest]         at java.lang.Object.wait(Native Method)         at java.lang.Thread.join(Thread.java:1245)         at java.lang.Thread.join(Thread.java:1319)         at org.apache.zookeeper.server.NIOServerCnxnFactory.join(NIOServerCnxnFactory.java:302)         at org.apache.solr.cloud.ZkTestServer$ZKServerMain.runFromConfig(ZkTestServer.java:310)         at org.apache.solr.cloud.ZkTestServer$2.run(ZkTestServer.java:491)   16) Thread[id=3256, name=TEST-RecoveryZkTest.test-seed#[95CCA6E410A8CB11]-SendThread(127.0.0.1:36355), state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)         at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)   17) Thread[id=3247, name=qtp5622402-3247, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         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:389)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:531)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$700(QueuedThreadPool.java:47)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:590)         at java.lang.Thread.run(Thread.java:745)   18) Thread[id=3262, name=coreContainerWorkExecutor-1348-thread-1, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   19) Thread[id=3214, name=qtp6873778-3214, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         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:389)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:531)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$700(QueuedThreadPool.java:47)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:590)         at java.lang.Thread.run(Thread.java:745)   20) Thread[id=3208, name=qtp6873778-3208-selector-ServerConnectorManager@c2fe29/1, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.select(SelectorManager.java:600)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.run(SelectorManager.java:549)         at org.eclipse.jetty.util.thread.NonBlockingThread.run(NonBlockingThread.java:52)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:745)   21) Thread[id=3263, name=zkCallback-420-thread-2, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   22) Thread[id=3196, name=NIOServerCxn.Factory:0.0.0.0/0.0.0.0:0, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         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)   23) Thread[id=3244, name=qtp5622402-3244-acceptor-0@b51308-ServerConnector@19a12d2{HTTP/1.1}{127.0.0.1:59063}, state=RUNNABLE, group=TGRP-RecoveryZkTest]         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:377)         at org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:500)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:745)   24) Thread[id=3233, name=TEST-RecoveryZkTest.test-seed#[95CCA6E410A8CB11]-SendThread(127.0.0.1:36355), state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)         at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)   25) Thread[id=3243, name=qtp5622402-3243-selector-ServerConnectorManager@1117fdc/3, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         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.SelectorManager$ManagedSelector.select(SelectorManager.java:600)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.run(SelectorManager.java:549)         at org.eclipse.jetty.util.thread.NonBlockingThread.run(NonBlockingThread.java:52)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:745)   26) Thread[id=3249, name=org.eclipse.jetty.server.session.HashSessionManager@16ba5e3Timer, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   27) Thread[id=3257, name=TEST-RecoveryZkTest.test-seed#[95CCA6E410A8CB11]-EventThread, state=WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)   28) Thread[id=3267, name=qtp4749150-3267-selector-ServerConnectorManager@1a3bede/2, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.select(SelectorManager.java:600)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.run(SelectorManager.java:549)         at org.eclipse.jetty.util.thread.NonBlockingThread.run(NonBlockingThread.java:52)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:745)   29) Thread[id=3240, name=qtp5622402-3240-selector-ServerConnectorManager@1117fdc/0, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.select(SelectorManager.java:600)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.run(SelectorManager.java:549)         at org.eclipse.jetty.util.thread.NonBlockingThread.run(NonBlockingThread.java:52)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:745)   30) Thread[id=3199, name=ProcessThread(sid:0 cport:-1):, state=WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:120)   31) Thread[id=3246, name=qtp5622402-3246, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         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:389)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:531)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$700(QueuedThreadPool.java:47)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:590)         at java.lang.Thread.run(Thread.java:745)   32) Thread[id=3285, name=Thread-1306, state=WAITING, group=TGRP-RecoveryZkTest]         at java.lang.Object.wait(Native Method)         at java.lang.Object.wait(Object.java:502)         at org.apache.solr.core.CloserThread.run(CoreContainer.java:1153)   33) Thread[id=3227, name=OverseerCollectionConfigSetProcessor-94513322291363844-127.0.0.1:39086_-n_0000000000, state=TIMED_WAITING, group=Overseer collection creation process.]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.apache.solr.cloud.DistributedQueue.getChildren(DistributedQueue.java:344)         at org.apache.solr.cloud.OverseerTaskQueue.peekTopN(OverseerTaskQueue.java:210)         at org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:197)         at java.lang.Thread.run(Thread.java:745)   34) Thread[id=3213, name=qtp6873778-3213, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         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:389)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:531)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$700(QueuedThreadPool.java:47)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:590)         at java.lang.Thread.run(Thread.java:745)   35) Thread[id=3225, name=zkCallback-420-thread-1, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   36) Thread[id=3232, name=coreContainerWorkExecutor-1341-thread-1, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   37) Thread[id=3282, name=TEST-RecoveryZkTest.test-seed#[95CCA6E410A8CB11]-EventThread, state=WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)   38) Thread[id=3197, name=SessionTracker, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at java.lang.Object.wait(Native Method)         at org.apache.zookeeper.server.SessionTrackerImpl.run(SessionTrackerImpl.java:146)   39) Thread[id=3258, name=zkCallback-427-thread-1, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   40) Thread[id=3271, name=qtp4749150-3271, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         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:389)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:531)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$700(QueuedThreadPool.java:47)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:590)         at java.lang.Thread.run(Thread.java:745)   41) Thread[id=3260, name=Thread-1295, state=WAITING, group=TGRP-RecoveryZkTest]         at java.lang.Object.wait(Native Method)         at java.lang.Object.wait(Object.java:502)         at org.apache.solr.core.CloserThread.run(CoreContainer.java:1153)   42) Thread[id=3224, name=TEST-RecoveryZkTest.test-seed#[95CCA6E410A8CB11]-EventThread, state=WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)   43) Thread[id=3287, name=coreContainerWorkExecutor-1354-thread-1, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   44) Thread[id=3234, name=TEST-RecoveryZkTest.test-seed#[95CCA6E410A8CB11]-EventThread, state=WAITING, group=TGRP-RecoveryZkTest]         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)   45) Thread[id=3283, name=zkCallback-431-thread-1, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   46) Thread[id=3265, name=qtp4749150-3265-selector-ServerConnectorManager@1a3bede/0, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.select(SelectorManager.java:600)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.run(SelectorManager.java:549)         at org.eclipse.jetty.util.thread.NonBlockingThread.run(NonBlockingThread.java:52)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:745)   47) Thread[id=3212, name=qtp6873778-3212, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:389)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:531)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$700(QueuedThreadPool.java:47)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:590)         at java.lang.Thread.run(Thread.java:745)   48) Thread[id=3245, name=qtp5622402-3245, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:389)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:531)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$700(QueuedThreadPool.java:47)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:590)         at java.lang.Thread.run(Thread.java:745)   49) Thread[id=3242, name=qtp5622402-3242-selector-ServerConnectorManager@1117fdc/2, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.select(SelectorManager.java:600)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.run(SelectorManager.java:549)         at org.eclipse.jetty.util.thread.NonBlockingThread.run(NonBlockingThread.java:52)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:745)   50) Thread[id=3210, name=qtp6873778-3210-selector-ServerConnectorManager@c2fe29/3, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.select(SelectorManager.java:600)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.run(SelectorManager.java:549)         at org.eclipse.jetty.util.thread.NonBlockingThread.run(NonBlockingThread.java:52)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:745)   51) Thread[id=3209, name=qtp6873778-3209-selector-ServerConnectorManager@c2fe29/2, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.select(SelectorManager.java:600)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.run(SelectorManager.java:549)         at org.eclipse.jetty.util.thread.NonBlockingThread.run(NonBlockingThread.java:52)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:745)   52) Thread[id=3207, name=qtp6873778-3207-selector-ServerConnectorManager@c2fe29/0, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.select(SelectorManager.java:600)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.run(SelectorManager.java:549)         at org.eclipse.jetty.util.thread.NonBlockingThread.run(NonBlockingThread.java:52)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:745)   53) Thread[id=3235, name=zkCallback-422-thread-1, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)   54) Thread[id=3266, name=qtp4749150-3266-selector-ServerConnectorManager@1a3bede/1, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         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.SelectorManager$ManagedSelector.select(SelectorManager.java:600)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.run(SelectorManager.java:549)         at org.eclipse.jetty.util.thread.NonBlockingThread.run(NonBlockingThread.java:52)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:745)   55) Thread[id=3223, name=TEST-RecoveryZkTest.test-seed#[95CCA6E410A8CB11]-SendThread(127.0.0.1:36355), state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)         at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)   56) Thread[id=3241, name=qtp5622402-3241-selector-ServerConnectorManager@1117fdc/1, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         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.SelectorManager$ManagedSelector.select(SelectorManager.java:600)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.run(SelectorManager.java:549)         at org.eclipse.jetty.util.thread.NonBlockingThread.run(NonBlockingThread.java:52)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:745)

Stack Trace:
co

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

er Overseer (id=94513348343693330-127.0.0.1:48664_eid%2Ft-n_0000000004) starting
   [junit4]   2> 757025 INFO  (TEST-TestRebalanceLeaders.test-seed#[95CCA6E410A8CB11]) [    ] o.a.s.c.ChaosMonkey monkey: stop shard! 48664
   [junit4]   2> 757025 INFO  (TEST-TestRebalanceLeaders.test-seed#[95CCA6E410A8CB11]) [    ] o.a.s.c.CoreContainer Shutting down CoreContainer instance=20039611
   [junit4]   2> 757028 INFO  (zkCallback-670-thread-2-processing-n:127.0.0.1:48664_eid%2Ft) [n:127.0.0.1:48664_eid%2Ft    ] o.a.s.c.OverseerAutoReplicaFailoverThread Starting OverseerAutoReplicaFailoverThread autoReplicaFailoverWorkLoopDelay=10000 autoReplicaFailoverWaitAfterExpiration=30000 autoReplicaFailoverBadNodeExpiration=60000
   [junit4]   2> 757028 INFO  (OverseerCollectionConfigSetProcessor-94513348343693330-127.0.0.1:48664_eid%2Ft-n_0000000004) [n:127.0.0.1:48664_eid%2Ft    ] o.a.s.c.OverseerTaskProcessor Process current queue of overseer operations
   [junit4]   2> 757028 INFO  (OverseerStateUpdate-94513348343693330-127.0.0.1:48664_eid%2Ft-n_0000000004) [n:127.0.0.1:48664_eid%2Ft    ] o.a.s.c.Overseer Starting to work on the main queue
   [junit4]   2> 757029 INFO  (TEST-TestRebalanceLeaders.test-seed#[95CCA6E410A8CB11]) [    ] o.a.s.c.Overseer Overseer (id=94513348343693330-127.0.0.1:48664_eid%2Ft-n_0000000004) closing
   [junit4]   2> 757029 INFO  (OverseerStateUpdate-94513348343693330-127.0.0.1:48664_eid%2Ft-n_0000000004) [n:127.0.0.1:48664_eid%2Ft    ] o.a.s.c.Overseer According to ZK I (id=94513348343693330-127.0.0.1:48664_eid%2Ft-n_0000000004) am no longer a leader.
   [junit4]   2> 757029 ERROR (OverseerCollectionConfigSetProcessor-94513348343693330-127.0.0.1:48664_eid%2Ft-n_0000000004) [n:127.0.0.1:48664_eid%2Ft    ] o.a.s.c.OverseerTaskProcessor Unable to prioritize overseer 
   [junit4]   2> java.lang.InterruptedException
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:68)
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:308)
   [junit4]   2> 	at org.apache.solr.cloud.OverseerNodePrioritizer.prioritizeOverseerNodes(OverseerNodePrioritizer.java:59)
   [junit4]   2> 	at org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:159)
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:745)
   [junit4]   2> 757030 INFO  (zkCallback-670-thread-2-processing-n:127.0.0.1:48664_eid%2Ft) [n:127.0.0.1:48664_eid%2Ft    ] o.a.s.c.c.ZkStateReader A live node change: WatchedEvent state:SyncConnected type:NodeChildrenChanged path:/live_nodes, has occurred - updating... (live nodes size: 1)
   [junit4]   2> 757029 INFO  (OverseerStateUpdate-94513348343693330-127.0.0.1:48664_eid%2Ft-n_0000000004) [n:127.0.0.1:48664_eid%2Ft    ] o.a.s.c.Overseer Overseer Loop exiting : 127.0.0.1:48664_eid%2Ft
   [junit4]   2> 757030 WARN  (zkCallback-670-thread-2-processing-n:127.0.0.1:48664_eid%2Ft) [n:127.0.0.1:48664_eid%2Ft    ] o.a.s.c.c.ZkStateReader ZooKeeper watch triggered, but Solr cannot talk to ZK
   [junit4]   2> 757031 INFO  (TEST-TestRebalanceLeaders.test-seed#[95CCA6E410A8CB11]) [    ] o.e.j.s.ServerConnector Stopped ServerConnector@28d959{HTTP/1.1}{127.0.0.1:0}
   [junit4]   2> 757032 INFO  (TEST-TestRebalanceLeaders.test-seed#[95CCA6E410A8CB11]) [    ] o.e.j.s.h.ContextHandler Stopped o.e.j.s.ServletContextHandler@d88801{/eid/t,null,UNAVAILABLE}
   [junit4]   2> 757033 INFO  (TEST-TestRebalanceLeaders.test-seed#[95CCA6E410A8CB11]) [    ] o.a.s.c.ZkTestServer connecting to 127.0.0.1:36059 36059
   [junit4]   2> 757070 INFO  (Thread-1855) [    ] o.a.s.c.ZkTestServer connecting to 127.0.0.1:36059 36059
   [junit4]   2> 757071 WARN  (Thread-1855) [    ] o.a.s.c.ZkTestServer Watch limit violations: 
   [junit4]   2> Maximum concurrent create/delete watches above limit:
   [junit4]   2> 
   [junit4]   2> 	6	/solr/aliases.json
   [junit4]   2> 	5	/solr/security.json
   [junit4]   2> 
   [junit4]   2> Maximum concurrent data watches above limit:
   [junit4]   2> 
   [junit4]   2> 	6	/solr/clusterstate.json
   [junit4]   2> 	4	/solr/collections/collection1/state.json
   [junit4]   2> 
   [junit4]   2> Maximum concurrent children watches above limit:
   [junit4]   2> 
   [junit4]   2> 	6	/solr/live_nodes
   [junit4]   2> 	6	/solr/collections
   [junit4]   2> 	2	/solr/overseer/queue
   [junit4]   2> 	2	/solr/overseer/collection-queue-work
   [junit4]   2> 	2	/solr/overseer/queue-work
   [junit4]   2> 
   [junit4]   2> NOTE: reproduce with: ant test  -Dtestcase=TestRebalanceLeaders -Dtests.method=test -Dtests.seed=95CCA6E410A8CB11 -Dtests.multiplier=3 -Dtests.slow=true -Dtests.locale=ar_SA -Dtests.timezone=Africa/Asmera -Dtests.asserts=true -Dtests.file.encoding=UTF-8
   [junit4] ERROR   24.0s J1 | TestRebalanceLeaders.test <<<
   [junit4]    > Throwable #1: org.apache.solr.common.SolrException: No registered leader was found after waiting for 10000ms , collection: collection1 slice: shard1
   [junit4]    > 	at __randomizedtesting.SeedInfo.seed([95CCA6E410A8CB11:1D98993EBE54A6E9]:0)
   [junit4]    > 	at org.apache.solr.common.cloud.ZkStateReader.getLeaderRetry(ZkStateReader.java:642)
   [junit4]    > 	at org.apache.solr.cloud.AbstractFullDistribZkTestBase.createJettys(AbstractFullDistribZkTestBase.java:405)
   [junit4]    > 	at org.apache.solr.cloud.AbstractFullDistribZkTestBase.createServers(AbstractFullDistribZkTestBase.java:310)
   [junit4]    > 	at org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsFixedStatement.callStatement(BaseDistributedSearchTestCase.java:961)
   [junit4]    > 	at org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsStatement.evaluate(BaseDistributedSearchTestCase.java:938)
   [junit4]    > 	at java.lang.Thread.run(Thread.java:745)
   [junit4]   2> 757076 INFO  (SUITE-TestRebalanceLeaders-seed#[95CCA6E410A8CB11]-worker) [    ] o.a.s.SolrTestCaseJ4 ###deleteCore
   [junit4]   2> NOTE: leaving temporary files on disk at: /home/jenkins/workspace/Lucene-Solr-5.x-Linux/solr/build/solr-core/test/J1/temp/solr.cloud.TestRebalanceLeaders_95CCA6E410A8CB11-001
   [junit4]   2> Sep 13, 2015 3:47:49 PM com.carrotsearch.randomizedtesting.ThreadLeakControl checkThreadLeaks
   [junit4]   2> WARNING: Will linger awaiting termination of 3 leaked thread(s).
   [junit4]   2> NOTE: test params are: codec=Asserting(Lucene53): {}, docValues:{}, sim=DefaultSimilarity, locale=ar_SA, timezone=Africa/Asmera
   [junit4]   2> NOTE: Linux 3.19.0-28-generic i386/Oracle Corporation 1.8.0_60 (32-bit)/cpus=12,threads=1,free=67599512,total=241111040
   [junit4]   2> NOTE: All tests run in this JVM: [TestAddFieldRealTimeGet, TestPartialUpdateDeduplication, InfoHandlerTest, RulesTest, SpellCheckCollatorTest, ZkControllerTest, TestDistributedGrouping, TestSolrCLIRunExample, VMParamsZkACLAndCredentialsProvidersTest, TestBinaryResponseWriter, TestBulkSchemaAPI, TestLFUCache, HdfsLockFactoryTest, ShardRoutingTest, MBeansHandlerTest, OverseerRolesTest, TestDistributedStatsComponentCardinality, TestCloudManagedSchema, SolrIndexSplitterTest, SimpleMLTQParserTest, UniqFieldsUpdateProcessorFactoryTest, IgnoreCommitOptimizeUpdateProcessorFactoryTest, TestTrie, DirectSolrSpellCheckerTest, TestFiltering, SuggesterFSTTest, TestSortingResponseWriter, TestManagedSchemaFieldResource, TestStressUserVersions, RecoveryAfterSoftCommitTest, TestComplexPhraseQParserPlugin, TestSha256AuthenticationProvider, TestReplicaProperties, TestPKIAuthenticationPlugin, MultiTermTest, SharedFSAutoReplicaFailoverTest, IndexBasedSpellCheckerTest, BasicFunctionalityTest, TestFieldSortValues, CollectionsAPIDistributedZkTest, TestQueryUtils, TestIntervalFaceting, TestConfigSets, SolrTestCaseJ4Test, TestDistribIDF, SpellPossibilityIteratorTest, TestOrdValues, TestSuggestSpellingConverter, DocValuesTest, TestQuerySenderNoQuery, TestSerializedLuceneMatchVersion, TestSortByMinMaxFunction, SpatialFilterTest, BigEndianAscendingWordSerializerTest, TestSurroundQueryParser, TestUpdate, ChaosMonkeySafeLeaderTest, TestSolrDeletionPolicy2, WordBreakSolrSpellCheckerTest, CloudMLTQParserTest, TestLMJelinekMercerSimilarityFactory, MoreLikeThisHandlerTest, CircularListTest, DeleteReplicaTest, NotRequiredUniqueKeyTest, ClusterStateUpdateTest, TestCoreContainer, SolrInfoMBeanTest, TestBM25SimilarityFactory, TestMacros, RequestLoggingTest, SaslZkACLProviderTest, TestCryptoKeys, SchemaVersionSpecificBehaviorTest, ExplicitHLLTest, SpatialRPTFieldTypeTest, HttpPartitionTest, AnalyticsMergeStrategyTest, SliceStateTest, TestSolrCoreProperties, TestCodecSupport, TestNamedUpdateProcessors, TestDynamicFieldCollectionResource, TestEmbeddedSolrServerConstructors, TestRebalanceLeaders]
   [junit4] Completed [538/538] on J1 in 24.28s, 1 test, 1 error <<< FAILURES!

[...truncated 20 lines...]
BUILD FAILED
/home/jenkins/workspace/Lucene-Solr-5.x-Linux/build.xml:785: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-5.x-Linux/build.xml:729: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-5.x-Linux/build.xml:59: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-5.x-Linux/solr/build.xml:233: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-5.x-Linux/solr/common-build.xml:524: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-5.x-Linux/lucene/common-build.xml:1452: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-5.x-Linux/lucene/common-build.xml:1006: There were test failures: 538 suites, 2127 tests, 4 suite-level errors, 23 errors, 2 failures, 1520 ignored (26 assumptions)

Total time: 41 minutes 23 seconds
Build step 'Invoke Ant' marked build as failure
Archiving artifacts
[WARNINGS] Skipping publisher since build result is FAILURE
Recording test results
Email was triggered for: Failure - Any
Sending email for trigger: Failure - Any



[JENKINS-EA] Lucene-Solr-5.x-Linux (64bit/jdk1.9.0-ea-b78) - Build # 13921 - Still Failing!

Posted by Policeman Jenkins Server <je...@thetaphi.de>.
Build: http://jenkins.thetaphi.de/job/Lucene-Solr-5.x-Linux/13921/
Java: 64bit/jdk1.9.0-ea-b78 -XX:-UseCompressedOops -XX:+UseParallelGC

42 tests failed.
FAILED:  junit.framework.TestSuite.org.apache.solr.cloud.LeaderElectionIntegrationTest

Error Message:
22 threads leaked from SUITE scope at org.apache.solr.cloud.LeaderElectionIntegrationTest:     1) Thread[id=3855, name=TEST-LeaderElectionIntegrationTest.testSimpleSliceLeaderElection-seed#[5ADD3EE8C970076C]-EventThread, state=WAITING, group=TGRP-LeaderElectionIntegrationTest]         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)    2) Thread[id=3868, name=zkCallback-520-thread-4, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)    3) Thread[id=3854, name=TEST-LeaderElectionIntegrationTest.testSimpleSliceLeaderElection-seed#[5ADD3EE8C970076C]-SendThread(127.0.0.1:57595), state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at java.lang.Thread.sleep(Native Method)         at org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)         at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:940)         at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1003)    4) Thread[id=3860, name=Thread-1611, state=WAITING, group=TGRP-LeaderElectionIntegrationTest]         at java.lang.Object.wait(Native Method)         at java.lang.Object.wait(Object.java:516)         at org.apache.solr.core.CloserThread.run(CoreContainer.java:1153)    5) Thread[id=3861, name=zkCallback-520-thread-2, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)    6) Thread[id=3859, name=OverseerHdfsCoreFailoverThread-94514027375689731-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer Hdfs SolrCore Failover Thread.]         at java.lang.Thread.sleep(Native Method)         at org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:108)         at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:76)         at org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:308)         at org.apache.solr.common.cloud.ZkStateReader.getClusterProps(ZkStateReader.java:730)         at org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.doWork(OverseerAutoReplicaFailoverThread.java:152)         at org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.run(OverseerAutoReplicaFailoverThread.java:131)         at java.lang.Thread.run(Thread.java:746)    7) Thread[id=3867, name=zkCallback-520-thread-3, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)    8) Thread[id=3880, name=TEST-LeaderElectionIntegrationTest.testLeaderElectionAfterClientTimeout-seed#[5ADD3EE8C970076C]-EventThread, state=WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)    9) Thread[id=3879, name=TEST-LeaderElectionIntegrationTest.testLeaderElectionAfterClientTimeout-seed#[5ADD3EE8C970076C]-SendThread(127.0.0.1:41592), state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at java.lang.Thread.sleep(Native Method)         at org.apache.zookeeper.ClientCnxnSocketNIO.cleanup(ClientCnxnSocketNIO.java:230)         at org.apache.zookeeper.ClientCnxn$SendThread.cleanup(ClientCnxn.java:1185)         at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1110)   10) Thread[id=3883, name=OverseerCollectionConfigSetProcessor-94514027460427779-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer collection creation process.]         at java.lang.Thread.sleep(Native Method)         at org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:108)         at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:76)         at org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:325)         at org.apache.solr.cloud.DistributedQueue.fetchZkChildren(DistributedQueue.java:311)         at org.apache.solr.cloud.DistributedQueue.firstChild(DistributedQueue.java:290)         at org.apache.solr.cloud.DistributedQueue.firstElement(DistributedQueue.java:359)         at org.apache.solr.cloud.DistributedQueue.getChildren(DistributedQueue.java:338)         at org.apache.solr.cloud.OverseerTaskQueue.peekTopN(OverseerTaskQueue.java:210)         at org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:197)         at java.lang.Thread.run(Thread.java:746)   11) Thread[id=3887, name=zkCallback-525-thread-3, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)   12) Thread[id=3888, name=zkCallback-525-thread-4, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)   13) Thread[id=3856, name=zkCallback-520-thread-1, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)   14) Thread[id=3886, name=zkCallback-525-thread-2, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)   15) Thread[id=3881, name=zkCallback-525-thread-1, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)   16) Thread[id=3857, name=OverseerStateUpdate-94514027375689731-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer state updater.]         at java.lang.Thread.sleep(Native Method)         at org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:108)         at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:76)         at org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:325)         at org.apache.solr.cloud.DistributedQueue.fetchZkChildren(DistributedQueue.java:311)         at org.apache.solr.cloud.DistributedQueue.firstChild(DistributedQueue.java:290)         at org.apache.solr.cloud.DistributedQueue.firstElement(DistributedQueue.java:359)         at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:166)         at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:144)         at org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:193)         at java.lang.Thread.run(Thread.java:746)   17) Thread[id=3882, name=OverseerStateUpdate-94514027460427779-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer state updater.]         at java.lang.Thread.sleep(Native Method)         at org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:108)         at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:76)         at org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:325)         at org.apache.solr.cloud.DistributedQueue.fetchZkChildren(DistributedQueue.java:311)         at org.apache.solr.cloud.DistributedQueue.firstChild(DistributedQueue.java:290)         at org.apache.solr.cloud.DistributedQueue.firstElement(DistributedQueue.java:359)         at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:166)         at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:144)         at org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:193)         at java.lang.Thread.run(Thread.java:746)   18) Thread[id=3885, name=Thread-1613, state=WAITING, group=TGRP-LeaderElectionIntegrationTest]         at java.lang.Object.wait(Native Method)         at java.lang.Object.wait(Object.java:516)         at org.apache.solr.core.CloserThread.run(CoreContainer.java:1153)   19) Thread[id=3889, name=zkCallback-525-thread-5, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)   20) Thread[id=3884, name=OverseerHdfsCoreFailoverThread-94514027460427779-127.0.0.1:7000_solr-n_0000000000, state=WAITING, group=Overseer Hdfs SolrCore Failover Thread.]         at java.lang.Object.wait(Native Method)         at java.lang.Object.wait(Object.java:516)         at org.apache.zookeeper.ClientCnxn.submitRequest(ClientCnxn.java:1342)         at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1040)         at org.apache.solr.common.cloud.SolrZkClient$5.execute(SolrZkClient.java:311)         at org.apache.solr.common.cloud.SolrZkClient$5.execute(SolrZkClient.java:308)         at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:61)         at org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:308)         at org.apache.solr.common.cloud.ZkStateReader.getClusterProps(ZkStateReader.java:730)         at org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.doWork(OverseerAutoReplicaFailoverThread.java:152)         at org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.run(OverseerAutoReplicaFailoverThread.java:131)         at java.lang.Thread.run(Thread.java:746)   21) Thread[id=3869, name=zkCallback-520-thread-5, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)   22) Thread[id=3858, name=OverseerCollectionConfigSetProcessor-94514027375689731-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer collection creation process.]         at java.lang.Thread.sleep(Native Method)         at org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:108)         at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:76)         at org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:325)         at org.apache.solr.cloud.DistributedQueue.fetchZkChildren(DistributedQueue.java:311)         at org.apache.solr.cloud.DistributedQueue.firstChild(DistributedQueue.java:290)         at org.apache.solr.cloud.DistributedQueue.firstElement(DistributedQueue.java:359)         at org.apache.solr.cloud.DistributedQueue.getChildren(DistributedQueue.java:338)         at org.apache.solr.cloud.OverseerTaskQueue.peekTopN(OverseerTaskQueue.java:210)         at org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:197)         at java.lang.Thread.run(Thread.java:746)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 22 threads leaked from SUITE scope at org.apache.solr.cloud.LeaderElectionIntegrationTest: 
   1) Thread[id=3855, name=TEST-LeaderElectionIntegrationTest.testSimpleSliceLeaderElection-seed#[5ADD3EE8C970076C]-EventThread, state=WAITING, group=TGRP-LeaderElectionIntegrationTest]
        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)
   2) Thread[id=3868, name=zkCallback-520-thread-4, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:746)
   3) Thread[id=3854, name=TEST-LeaderElectionIntegrationTest.testSimpleSliceLeaderElection-seed#[5ADD3EE8C970076C]-SendThread(127.0.0.1:57595), state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)
        at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:940)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1003)
   4) Thread[id=3860, name=Thread-1611, state=WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:516)
        at org.apache.solr.core.CloserThread.run(CoreContainer.java:1153)
   5) Thread[id=3861, name=zkCallback-520-thread-2, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:746)
   6) Thread[id=3859, name=OverseerHdfsCoreFailoverThread-94514027375689731-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer Hdfs SolrCore Failover Thread.]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:108)
        at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:76)
        at org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:308)
        at org.apache.solr.common.cloud.ZkStateReader.getClusterProps(ZkStateReader.java:730)
        at org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.doWork(OverseerAutoReplicaFailoverThread.java:152)
        at org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.run(OverseerAutoReplicaFailoverThread.java:131)
        at java.lang.Thread.run(Thread.java:746)
   7) Thread[id=3867, name=zkCallback-520-thread-3, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:746)
   8) Thread[id=3880, name=TEST-LeaderElectionIntegrationTest.testLeaderElectionAfterClientTimeout-seed#[5ADD3EE8C970076C]-EventThread, state=WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)
   9) Thread[id=3879, name=TEST-LeaderElectionIntegrationTest.testLeaderElectionAfterClientTimeout-seed#[5ADD3EE8C970076C]-SendThread(127.0.0.1:41592), state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.zookeeper.ClientCnxnSocketNIO.cleanup(ClientCnxnSocketNIO.java:230)
        at org.apache.zookeeper.ClientCnxn$SendThread.cleanup(ClientCnxn.java:1185)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1110)
  10) Thread[id=3883, name=OverseerCollectionConfigSetProcessor-94514027460427779-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer collection creation process.]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:108)
        at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:76)
        at org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:325)
        at org.apache.solr.cloud.DistributedQueue.fetchZkChildren(DistributedQueue.java:311)
        at org.apache.solr.cloud.DistributedQueue.firstChild(DistributedQueue.java:290)
        at org.apache.solr.cloud.DistributedQueue.firstElement(DistributedQueue.java:359)
        at org.apache.solr.cloud.DistributedQueue.getChildren(DistributedQueue.java:338)
        at org.apache.solr.cloud.OverseerTaskQueue.peekTopN(OverseerTaskQueue.java:210)
        at org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:197)
        at java.lang.Thread.run(Thread.java:746)
  11) Thread[id=3887, name=zkCallback-525-thread-3, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:746)
  12) Thread[id=3888, name=zkCallback-525-thread-4, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:746)
  13) Thread[id=3856, name=zkCallback-520-thread-1, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:746)
  14) Thread[id=3886, name=zkCallback-525-thread-2, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:746)
  15) Thread[id=3881, name=zkCallback-525-thread-1, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:746)
  16) Thread[id=3857, name=OverseerStateUpdate-94514027375689731-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer state updater.]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:108)
        at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:76)
        at org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:325)
        at org.apache.solr.cloud.DistributedQueue.fetchZkChildren(DistributedQueue.java:311)
        at org.apache.solr.cloud.DistributedQueue.firstChild(DistributedQueue.java:290)
        at org.apache.solr.cloud.DistributedQueue.firstElement(DistributedQueue.java:359)
        at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:166)
        at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:144)
        at org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:193)
        at java.lang.Thread.run(Thread.java:746)
  17) Thread[id=3882, name=OverseerStateUpdate-94514027460427779-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer state updater.]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:108)
        at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:76)
        at org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:325)
        at org.apache.solr.cloud.DistributedQueue.fetchZkChildren(DistributedQueue.java:311)
        at org.apache.solr.cloud.DistributedQueue.firstChild(DistributedQueue.java:290)
        at org.apache.solr.cloud.DistributedQueue.firstElement(DistributedQueue.java:359)
        at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:166)
        at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:144)
        at org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:193)
        at java.lang.Thread.run(Thread.java:746)
  18) Thread[id=3885, name=Thread-1613, state=WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:516)
        at org.apache.solr.core.CloserThread.run(CoreContainer.java:1153)
  19) Thread[id=3889, name=zkCallback-525-thread-5, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:746)
  20) Thread[id=3884, name=OverseerHdfsCoreFailoverThread-94514027460427779-127.0.0.1:7000_solr-n_0000000000, state=WAITING, group=Overseer Hdfs SolrCore Failover Thread.]
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:516)
        at org.apache.zookeeper.ClientCnxn.submitRequest(ClientCnxn.java:1342)
        at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1040)
        at org.apache.solr.common.cloud.SolrZkClient$5.execute(SolrZkClient.java:311)
        at org.apache.solr.common.cloud.SolrZkClient$5.execute(SolrZkClient.java:308)
        at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:61)
        at org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:308)
        at org.apache.solr.common.cloud.ZkStateReader.getClusterProps(ZkStateReader.java:730)
        at org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.doWork(OverseerAutoReplicaFailoverThread.java:152)
        at org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.run(OverseerAutoReplicaFailoverThread.java:131)
        at java.lang.Thread.run(Thread.java:746)
  21) Thread[id=3869, name=zkCallback-520-thread-5, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:746)
  22) Thread[id=3858, name=OverseerCollectionConfigSetProcessor-94514027375689731-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer collection creation process.]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:108)
        at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:76)
        at org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:325)
        at org.apache.solr.cloud.DistributedQueue.fetchZkChildren(DistributedQueue.java:311)
        at org.apache.solr.cloud.DistributedQueue.firstChild(DistributedQueue.java:290)
        at org.apache.solr.cloud.DistributedQueue.firstElement(DistributedQueue.java:359)
        at org.apache.solr.cloud.DistributedQueue.getChildren(DistributedQueue.java:338)
        at org.apache.solr.cloud.OverseerTaskQueue.peekTopN(OverseerTaskQueue.java:210)
        at org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:197)
        at java.lang.Thread.run(Thread.java:746)
	at __randomizedtesting.SeedInfo.seed([5ADD3EE8C970076C]:0)


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

Error Message:
There are still zombie threads that couldn't be terminated:    1) Thread[id=3868, name=zkCallback-520-thread-4, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)    2) Thread[id=3854, name=TEST-LeaderElectionIntegrationTest.testSimpleSliceLeaderElection-seed#[5ADD3EE8C970076C]-SendThread(127.0.0.1:57595), state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at java.lang.Thread.sleep(Native Method)         at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:994)    3) Thread[id=3860, name=Thread-1611, state=WAITING, group=TGRP-LeaderElectionIntegrationTest]         at java.lang.Object.wait(Native Method)         at java.lang.Object.wait(Object.java:516)         at org.apache.solr.core.CloserThread.run(CoreContainer.java:1153)    4) Thread[id=3861, name=zkCallback-520-thread-2, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)    5) Thread[id=3859, name=OverseerHdfsCoreFailoverThread-94514027375689731-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer Hdfs SolrCore Failover Thread.]         at java.lang.Thread.sleep(Native Method)         at org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.run(OverseerAutoReplicaFailoverThread.java:139)         at java.lang.Thread.run(Thread.java:746)    6) Thread[id=3867, name=zkCallback-520-thread-3, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)    7) Thread[id=3879, name=TEST-LeaderElectionIntegrationTest.testLeaderElectionAfterClientTimeout-seed#[5ADD3EE8C970076C]-SendThread(127.0.0.1:41592), state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at java.lang.Thread.sleep(Native Method)         at org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)         at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:940)         at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1003)    8) Thread[id=3887, name=zkCallback-525-thread-3, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)    9) Thread[id=3888, name=zkCallback-525-thread-4, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)   10) Thread[id=3856, name=zkCallback-520-thread-1, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)   11) Thread[id=3886, name=zkCallback-525-thread-2, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)   12) Thread[id=3881, name=zkCallback-525-thread-1, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)   13) Thread[id=3885, name=Thread-1613, state=WAITING, group=TGRP-LeaderElectionIntegrationTest]         at java.lang.Object.wait(Native Method)         at java.lang.Object.wait(Object.java:516)         at org.apache.solr.core.CloserThread.run(CoreContainer.java:1153)   14) Thread[id=3889, name=zkCallback-525-thread-5, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)   15) Thread[id=3884, name=OverseerHdfsCoreFailoverThread-94514027460427779-127.0.0.1:7000_solr-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:746)   16) Thread[id=3869, name=zkCallback-520-thread-5, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: There are still zombie threads that couldn't be terminated:
   1) Thread[id=3868, name=zkCallback-520-thread-4, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:746)
   2) Thread[id=3854, name=TEST-LeaderElectionIntegrationTest.testSimpleSliceLeaderElection-seed#[5ADD3EE8C970076C]-SendThread(127.0.0.1:57595), state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:994)
   3) Thread[id=3860, name=Thread-1611, state=WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:516)
        at org.apache.solr.core.CloserThread.run(CoreContainer.java:1153)
   4) Thread[id=3861, name=zkCallback-520-thread-2, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:746)
   5) Thread[id=3859, name=OverseerHdfsCoreFailoverThread-94514027375689731-127.0.0.1:7000_solr-n_0000000000, state=TIMED_WAITING, group=Overseer Hdfs SolrCore Failover Thread.]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.run(OverseerAutoReplicaFailoverThread.java:139)
        at java.lang.Thread.run(Thread.java:746)
   6) Thread[id=3867, name=zkCallback-520-thread-3, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:746)
   7) Thread[id=3879, name=TEST-LeaderElectionIntegrationTest.testLeaderElectionAfterClientTimeout-seed#[5ADD3EE8C970076C]-SendThread(127.0.0.1:41592), state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)
        at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:940)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1003)
   8) Thread[id=3887, name=zkCallback-525-thread-3, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:746)
   9) Thread[id=3888, name=zkCallback-525-thread-4, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:746)
  10) Thread[id=3856, name=zkCallback-520-thread-1, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:746)
  11) Thread[id=3886, name=zkCallback-525-thread-2, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:746)
  12) Thread[id=3881, name=zkCallback-525-thread-1, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:746)
  13) Thread[id=3885, name=Thread-1613, state=WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:516)
        at org.apache.solr.core.CloserThread.run(CoreContainer.java:1153)
  14) Thread[id=3889, name=zkCallback-525-thread-5, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:746)
  15) Thread[id=3884, name=OverseerHdfsCoreFailoverThread-94514027460427779-127.0.0.1:7000_solr-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:746)
  16) Thread[id=3869, name=zkCallback-520-thread-5, state=TIMED_WAITING, group=TGRP-LeaderElectionIntegrationTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:746)
	at __randomizedtesting.SeedInfo.seed([5ADD3EE8C970076C]:0)


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

Error Message:
55 threads leaked from SUITE scope at org.apache.solr.cloud.RecoveryZkTest:     1) Thread[id=5315, name=Thread-2671, state=WAITING, group=TGRP-RecoveryZkTest]         at java.lang.Object.wait(Native Method)         at java.lang.Thread.join(Thread.java:1251)         at java.lang.Thread.join(Thread.java:1325)         at org.apache.zookeeper.server.NIOServerCnxnFactory.join(NIOServerCnxnFactory.java:302)         at org.apache.solr.cloud.ZkTestServer$ZKServerMain.runFromConfig(ZkTestServer.java:310)         at org.apache.solr.cloud.ZkTestServer$2.run(ZkTestServer.java:491)    2) Thread[id=5368, name=Scheduler-408174359, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)    3) Thread[id=5335, name=Scheduler-1258707774, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)    4) Thread[id=5385, name=qtp1130532502-5385-selector-ServerConnectorManager@10e20604/1, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.select(SelectorManager.java:600)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.run(SelectorManager.java:549)         at org.eclipse.jetty.util.thread.NonBlockingThread.run(NonBlockingThread.java:52)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:746)    5) Thread[id=5354, name=TEST-RecoveryZkTest.test-seed#[5ADD3EE8C970076C]-EventThread, state=WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)    6) Thread[id=5348, name=OverseerHdfsCoreFailoverThread-94514027779588100-127.0.0.1:33770_wg%2Ffs-n_0000000000, state=TIMED_WAITING, group=Overseer Hdfs SolrCore Failover Thread.]         at java.lang.Thread.sleep(Native Method)         at org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.run(OverseerAutoReplicaFailoverThread.java:139)         at java.lang.Thread.run(Thread.java:746)    7) Thread[id=5331, name=qtp740411209-5331-acceptor-0@7b179896-ServerConnector@75d07984{HTTP/1.1}{127.0.0.1:33770}, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)         at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422)         at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250)         at org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:377)         at org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:500)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:746)    8) Thread[id=5333, name=qtp740411209-5333, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:389)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:531)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$700(QueuedThreadPool.java:47)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:590)         at java.lang.Thread.run(Thread.java:746)    9) Thread[id=5400, name=TEST-RecoveryZkTest.test-seed#[5ADD3EE8C970076C]-SendThread(127.0.0.1:55919), state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)         at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)   10) Thread[id=5345, name=zkCallback-572-thread-1, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)   11) Thread[id=5347, name=OverseerCollectionConfigSetProcessor-94514027779588100-127.0.0.1:33770_wg%2Ffs-n_0000000000, state=TIMED_WAITING, group=Overseer collection creation process.]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.apache.solr.cloud.DistributedQueue.getChildren(DistributedQueue.java:344)         at org.apache.solr.cloud.OverseerTaskQueue.peekTopN(OverseerTaskQueue.java:210)         at org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:197)         at java.lang.Thread.run(Thread.java:746)   12) Thread[id=5392, name=Scheduler-1748285216, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         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:746)   13) Thread[id=5389, name=qtp1130532502-5389, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         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:389)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:531)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$700(QueuedThreadPool.java:47)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:590)         at java.lang.Thread.run(Thread.java:746)   14) Thread[id=5364, name=qtp1511018204-5364-acceptor-0@34d501f0-ServerConnector@1768c666{HTTP/1.1}{127.0.0.1:54134}, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)         at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422)         at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250)         at org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:377)         at org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:500)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:746)   15) Thread[id=5380, name=Thread-2692, state=WAITING, group=TGRP-RecoveryZkTest]         at java.lang.Object.wait(Native Method)         at java.lang.Object.wait(Object.java:516)         at org.apache.solr.core.CloserThread.run(CoreContainer.java:1153)   16) Thread[id=5366, name=qtp1511018204-5366, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:389)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:531)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$700(QueuedThreadPool.java:47)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:590)         at java.lang.Thread.run(Thread.java:746)   17) Thread[id=5332, name=qtp740411209-5332, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:389)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:531)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$700(QueuedThreadPool.java:47)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:590)         at java.lang.Thread.run(Thread.java:746)   18) Thread[id=5384, name=qtp1130532502-5384-selector-ServerConnectorManager@10e20604/0, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.select(SelectorManager.java:600)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.run(SelectorManager.java:549)         at org.eclipse.jetty.util.thread.NonBlockingThread.run(NonBlockingThread.java:52)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:746)   19) Thread[id=5327, name=qtp740411209-5327-selector-ServerConnectorManager@5e5cba4b/0, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.select(SelectorManager.java:600)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.run(SelectorManager.java:549)         at org.eclipse.jetty.util.thread.NonBlockingThread.run(NonBlockingThread.java:52)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:746)   20) Thread[id=5376, name=TEST-RecoveryZkTest.test-seed#[5ADD3EE8C970076C]-SendThread(127.0.0.1:55919), state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)         at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)   21) Thread[id=5329, name=qtp740411209-5329-selector-ServerConnectorManager@5e5cba4b/2, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         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.SelectorManager$ManagedSelector.select(SelectorManager.java:600)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.run(SelectorManager.java:549)         at org.eclipse.jetty.util.thread.NonBlockingThread.run(NonBlockingThread.java:52)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:746)   22) Thread[id=5401, name=TEST-RecoveryZkTest.test-seed#[5ADD3EE8C970076C]-EventThread, state=WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)   23) Thread[id=5391, name=qtp1130532502-5391, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)         at org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:389)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:531)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$700(QueuedThreadPool.java:47)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:590)         at java.lang.Thread.run(Thread.java:746)   24) Thread[id=5406, name=coreContainerWorkExecutor-2514-thread-1, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)   25) Thread[id=5362, name=qtp1511018204-5362-selector-ServerConnectorManager@62137f5a/2, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         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.SelectorManager$ManagedSelector.select(SelectorManager.java:600)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.run(SelectorManager.java:549)         at org.eclipse.jetty.util.thread.NonBlockingThread.run(NonBlockingThread.java:52)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:746)   26) Thread[id=5344, name=TEST-RecoveryZkTest.test-seed#[5ADD3EE8C970076C]-EventThread, state=WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)   27) Thread[id=5382, name=coreContainerWorkExecutor-2508-thread-1, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)   28) Thread[id=5377, name=TEST-RecoveryZkTest.test-seed#[5ADD3EE8C970076C]-EventThread, state=WAITING, group=TGRP-RecoveryZkTest]         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)   29) Thread[id=5365, name=qtp1511018204-5365, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         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:389)         at org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:531)         at org.eclipse.jetty.util.thread.QueuedThreadPool.access$700(QueuedThreadPool.java:47)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:590)         at java.lang.Thread.run(Thread.java:746)   30) Thread[id=5369, name=org.eclipse.jetty.server.session.HashSessionManager@58bc3a3cTimer, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)   31) Thread[id=5378, name=zkCallback-579-thread-1, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)   32) Thread[id=5328, name=qtp740411209-5328-selector-ServerConnectorManager@5e5cba4b/1, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         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.SelectorManager$ManagedSelector.select(SelectorManager.java:600)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.run(SelectorManager.java:549)         at org.eclipse.jetty.util.thread.NonBlockingThread.run(NonBlockingThread.java:52)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:746)   33) Thread[id=5361, name=qtp1511018204-5361-selector-ServerConnectorManager@62137f5a/1, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.select(SelectorManager.java:600)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.run(SelectorManager.java:549)         at org.eclipse.jetty.util.thread.NonBlockingThread.run(NonBlockingThread.java:52)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:746)   34) Thread[id=5387, name=qtp1130532502-5387-selector-ServerConnectorManager@10e20604/3, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.select(SelectorManager.java:600)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.run(SelectorManager.java:549)         at org.eclipse.jetty.util.thread.NonBlockingThread.run(NonBlockingThread.java:52)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:746)   35) Thread[id=5402, name=zkCallback-583-thread-1, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)         at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)         at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:746)   36) Thread[id=5336, name=org.eclipse.jetty.server.session.HashSessionManager@6703ae49Timer, state=TIMED_WAITING, group=TGRP-RecoveryZkTest]         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:746)   37) Thread[id=5343, name=TEST-RecoveryZkTest.test-seed#[5ADD3EE8C970076C]-SendThread(127.0.0.1:55919), state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         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$SendThread.run(ClientCnxn.java:1081)   38) Thread[id=5363, name=qtp1511018204-5363-selector-ServerConnectorManager@62137f5a/3, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.select(SelectorManager.java:600)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.run(SelectorManager.java:549)         at org.eclipse.jetty.util.thread.NonBlockingThread.run(NonBlockingThread.java:52)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:746)   39) Thread[id=5386, name=qtp1130532502-5386-selector-ServerConnectorManager@10e20604/2, state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)         at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.select(SelectorManager.java:600)         at org.eclipse.jetty.io.SelectorManager$ManagedSelector.run(SelectorManager.java:549)         at org.eclipse.jetty.util.thread.NonBlockingThread.run(NonBlockingThread.java:52)         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)         at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)         at java.lang.Thread.run(Thread.java:746)   40) Thread[id=5319, name=ProcessThread(sid:0 cport:-1):, state=WAITING, group=TGRP-RecoveryZkTest]         at sun.misc.Unsafe.park(Native Method)         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)         at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)         at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:120)   41) Thread[id=5353, name=TEST-RecoveryZkTest.test-seed#[5ADD3EE8C970076C]-SendThread(127.0.0.1:55919), state=RUNNABLE, group=TGRP-RecoveryZkTest]         at sun.nio.ch.EPollArray

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

rverConnector Stopped ServerConnector@73f5ad09{HTTP/1.1}{127.0.0.1:0}
   [junit4]   2> 611144 ERROR (OverseerCollectionConfigSetProcessor-94514030838939666-127.0.0.1:60240_tqn-n_0000000004) [n:127.0.0.1:60240_tqn    ] o.a.s.c.OverseerTaskProcessor :org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /overseer/collection-queue-work
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1472)
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient$6.execute(SolrZkClient.java:328)
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient$6.execute(SolrZkClient.java:325)
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:61)
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:325)
   [junit4]   2> 	at org.apache.solr.cloud.DistributedQueue.fetchZkChildren(DistributedQueue.java:311)
   [junit4]   2> 	at org.apache.solr.cloud.OverseerTaskQueue.getTailId(OverseerTaskQueue.java:257)
   [junit4]   2> 	at org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:144)
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:746)
   [junit4]   2> 
   [junit4]   2> 611144 INFO  (TEST-MultiThreadedOCPTest.test-seed#[5ADD3EE8C970076C]) [    ] o.e.j.s.h.ContextHandler Stopped o.e.j.s.ServletContextHandler@17c3e19c{/tqn,null,UNAVAILABLE}
   [junit4]   2> 611144 ERROR (OverseerCollectionConfigSetProcessor-94514030838939666-127.0.0.1:60240_tqn-n_0000000004) [n:127.0.0.1:60240_tqn    ] o.a.s.c.OverseerTaskProcessor Unable to prioritize overseer 
   [junit4]   2> org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /roles.json
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
   [junit4]   2> 	at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
   [junit4]   2> 	at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1045)
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient$5.execute(SolrZkClient.java:311)
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient$5.execute(SolrZkClient.java:308)
   [junit4]   2> 	at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:61)
   [junit4]   2> 	at org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:308)
   [junit4]   2> 	at org.apache.solr.cloud.OverseerNodePrioritizer.prioritizeOverseerNodes(OverseerNodePrioritizer.java:59)
   [junit4]   2> 	at org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:159)
   [junit4]   2> 	at java.lang.Thread.run(Thread.java:746)
   [junit4]   2> 611145 INFO  (TEST-MultiThreadedOCPTest.test-seed#[5ADD3EE8C970076C]) [    ] o.a.s.c.ZkTestServer connecting to 127.0.0.1:54688 54688
   [junit4]   2> 611168 INFO  (Thread-1967) [    ] o.a.s.c.ZkTestServer connecting to 127.0.0.1:54688 54688
   [junit4]   2> 611170 WARN  (Thread-1967) [    ] o.a.s.c.ZkTestServer Watch limit violations: 
   [junit4]   2> Maximum concurrent create/delete watches above limit:
   [junit4]   2> 
   [junit4]   2> 	7	/solr/aliases.json
   [junit4]   2> 	6	/solr/security.json
   [junit4]   2> 
   [junit4]   2> Maximum concurrent data watches above limit:
   [junit4]   2> 
   [junit4]   2> 	8	/solr/clusterstate.json
   [junit4]   2> 	4	/solr/collections/collection1/state.json
   [junit4]   2> 
   [junit4]   2> Maximum concurrent children watches above limit:
   [junit4]   2> 
   [junit4]   2> 	11	/solr/live_nodes
   [junit4]   2> 	7	/solr/collections
   [junit4]   2> 	2	/solr/overseer/queue
   [junit4]   2> 	2	/solr/overseer/collection-queue-work
   [junit4]   2> 	2	/solr/overseer/queue-work
   [junit4]   2> 
   [junit4]   2> NOTE: reproduce with: ant test  -Dtestcase=MultiThreadedOCPTest -Dtests.method=test -Dtests.seed=5ADD3EE8C970076C -Dtests.multiplier=3 -Dtests.slow=true -Dtests.locale=en_BM -Dtests.timezone=Australia/Lord_Howe -Dtests.asserts=true -Dtests.file.encoding=ISO-8859-1
   [junit4] ERROR   22.3s J2 | MultiThreadedOCPTest.test <<<
   [junit4]    > Throwable #1: org.apache.solr.common.SolrException: No registered leader was found after waiting for 10000ms , collection: collection1 slice: shard1
   [junit4]    > 	at __randomizedtesting.SeedInfo.seed([5ADD3EE8C970076C:D2890132678C6A94]:0)
   [junit4]    > 	at org.apache.solr.common.cloud.ZkStateReader.getLeaderRetry(ZkStateReader.java:642)
   [junit4]    > 	at org.apache.solr.cloud.AbstractFullDistribZkTestBase.createJettys(AbstractFullDistribZkTestBase.java:405)
   [junit4]    > 	at org.apache.solr.cloud.AbstractFullDistribZkTestBase.createServers(AbstractFullDistribZkTestBase.java:310)
   [junit4]    > 	at org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsFixedStatement.callStatement(BaseDistributedSearchTestCase.java:961)
   [junit4]    > 	at org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsStatement.evaluate(BaseDistributedSearchTestCase.java:938)
   [junit4]    > 	at java.lang.Thread.run(Thread.java:746)
   [junit4]   2> 611174 INFO  (SUITE-MultiThreadedOCPTest-seed#[5ADD3EE8C970076C]-worker) [    ] o.a.s.SolrTestCaseJ4 ###deleteCore
   [junit4]   2> NOTE: leaving temporary files on disk at: /home/jenkins/workspace/Lucene-Solr-5.x-Linux/solr/build/solr-core/test/J2/temp/solr.cloud.MultiThreadedOCPTest_5ADD3EE8C970076C-001
   [junit4]   2> Sep 13, 2015 6:41:22 PM com.carrotsearch.randomizedtesting.ThreadLeakControl checkThreadLeaks
   [junit4]   2> WARNING: Will linger awaiting termination of 5 leaked thread(s).
   [junit4]   2> NOTE: test params are: codec=Lucene53, sim=DefaultSimilarity, locale=en_BM, timezone=Australia/Lord_Howe
   [junit4]   2> NOTE: Linux 3.19.0-28-generic amd64/Oracle Corporation 1.9.0-ea (64-bit)/cpus=12,threads=1,free=79256848,total=470286336
   [junit4]   2> NOTE: All tests run in this JVM: [HdfsBasicDistributedZk2Test, TestFuzzyAnalyzedSuggestions, TestJmxIntegration, DocExpirationUpdateProcessorFactoryTest, TestWriterPerf, AutoCommitTest, ZkStateReaderTest, HLLUtilTest, RequestHandlersTest, TestExactStatsCache, SimpleFacetsTest, ScriptEngineTest, TestPerFieldSimilarity, CoreMergeIndexesAdminHandlerTest, BlockDirectoryTest, TestReplicationHandlerBackup, TestMinMaxOnMultiValuedField, TestCollationField, CustomCollectionTest, TestExactSharedStatsCache, SampleTest, DistribCursorPagingTest, QueryParsingTest, TestFieldCollectionResource, ConcurrentDeleteAndCreateCollectionTest, TriLevelCompositeIdRoutingTest, TestCharFilters, SolrCoreCheckLockOnStartupTest, TestReversedWildcardFilterFactory, CachingDirectoryFactoryTest, ZkNodePropsTest, TestMiniSolrCloudCluster, TestZkChroot, PluginInfoTest, TestReqParamsAPI, TestPHPSerializedResponseWriter, BadComponentTest, CollectionsAPIAsyncDistributedZkTest, BinaryUpdateRequestHandlerTest, NoCacheHeaderTest, LeaderFailoverAfterPartitionTest, DebugComponentTest, QueryResultKeyTest, SuggesterTSTTest, HLLSerializationTest, TestMaxScoreQueryParser, TestShortCircuitedRequests, FieldMutatingUpdateProcessorTest, BufferStoreTest, SearchHandlerTest, HighlighterConfigTest, BadCopyFieldTest, DistributedQueryComponentOptimizationTest, FacetPivotSmallTest, TestIndexingPerformance, TestLRUCache, TestElisionMultitermQuery, TestLeaderInitiatedRecoveryThread, TestOverriddenPrefixQueryForCustomFieldType, TestSolrIndexConfig, DistributedExpandComponentTest, DocValuesMissingTest, AtomicUpdatesTest, TestJettySolrRunner, DirectUpdateHandlerOptimizeTest, TestCSVResponseWriter, TestCustomDocTransformer, TestSweetSpotSimilarityFactory, TestStressRecovery, MergeStrategyTest, TestFastWriter, TestDistributedMissingSort, TestGroupingSearch, StressHdfsTest, DistributedFacetPivotLongTailTest, OverseerStatusTest, TestSimpleQParserPlugin, TestSolrQueryParser, TestClusterStateMutator, DeleteInactiveReplicaTest, StatsComponentTest, AnalyticsQueryTest, AddSchemaFieldsUpdateProcessorFactoryTest, TestDefaultSimilarityFactory, LukeRequestHandlerTest, TermVectorComponentDistributedTest, TestAnalyzeInfixSuggestions, TestLeaderElectionZkExpiry, BasicDistributedZkTest, ChaosMonkeySafeLeaderTest, UnloadDistributedZkTest, OverseerTest, SolrInfoMBeanTest, TestOmitPositions, FieldAnalysisRequestHandlerTest, RegexBoostProcessorTest, CSVRequestHandlerTest, TestQuerySenderNoQuery, TestBinaryField, TestXIncludeConfig, TestJmxMonitoredMap, DateMathParserTest, PrimUtilsTest, RAMDirectoryFactoryTest, TestCrossCoreJoin, MultiThreadedOCPTest]
   [junit4] Completed [538/538] on J2 in 23.16s, 1 test, 1 error <<< FAILURES!

[...truncated 20 lines...]
BUILD FAILED
/home/jenkins/workspace/Lucene-Solr-5.x-Linux/build.xml:785: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-5.x-Linux/build.xml:729: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-5.x-Linux/build.xml:59: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-5.x-Linux/solr/build.xml:233: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-5.x-Linux/solr/common-build.xml:524: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-5.x-Linux/lucene/common-build.xml:1452: The following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-5.x-Linux/lucene/common-build.xml:1006: There were test failures: 538 suites, 2127 tests, 4 suite-level errors, 36 errors, 2 failures, 867 ignored (33 assumptions)

Total time: 31 minutes 21 seconds
Build step 'Invoke Ant' marked build as failure
Archiving artifacts
[WARNINGS] Skipping publisher since build result is FAILURE
Recording test results
Email was triggered for: Failure - Any
Sending email for trigger: Failure - Any