[JENKINS] Lucene-Solr-NightlyTests-master - Build # 1501 - Still Unstable

Apache Jenkins Server Mon, 12 Mar 2018 05:48:39 -0700

Build: https://builds.apache.org/job/Lucene-Solr-NightlyTests-master/1501/


4 tests failed.
FAILED:  
junit.framework.TestSuite.org.apache.solr.cloud.hdfs.HdfsUnloadDistributedZkTest

Error Message:
71 threads leaked from SUITE scope at 
org.apache.solr.cloud.hdfs.HdfsUnloadDistributedZkTest:     1) Thread[id=6823, 
name=qtp725343090-6823, state=RUNNABLE, group=TGRP-HdfsUnloadDistributedZkTest] 
        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:93)         at 
sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at 
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at 
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:375)
         at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:304)
         at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:179)
         at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140)
         at 
org.eclipse.jetty.io.ManagedSelector$$Lambda$240/1428089623.run(Unknown Source) 
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626) 
        at java.lang.Thread.run(Thread.java:748)    2) Thread[id=6912, 
name=OverseerAutoScalingTriggerThread-72266723021619210-127.0.0.1:33434_wm_-n_0000000001,
 state=WAITING, group=Overseer autoscaling triggers]         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 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:177)
         at java.lang.Thread.run(Thread.java:748)    3) Thread[id=6881, 
name=Scheduler-691069682, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         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:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)    4) Thread[id=6934, 
name=AutoscalingActionExecutor-955-thread-1-processing-n:127.0.0.1:33434_wm_, 
state=TIMED_WAITING, group=TGRP-HdfsUnloadDistributedZkTest]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:111)   
      at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:70)
         at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340)        
 at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
         at 
org.apache.solr.client.solrj.cloud.autoscaling.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:78)
         at 
org.apache.solr.cloud.autoscaling.ComputePlanAction.process(ComputePlanAction.java:72)
         at 
org.apache.solr.cloud.autoscaling.ScheduledTriggers.lambda$null$3(ScheduledTriggers.java:307)
         at 
org.apache.solr.cloud.autoscaling.ScheduledTriggers$$Lambda$491/1809276628.run(Unknown
 Source)         at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)         
at java.util.concurrent.FutureTask.run(FutureTask.java:266)         at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:188)
         at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor$$Lambda$9/751561345.run(Unknown
 Source)         at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)    5) Thread[id=6874, 
name=qtp836920967-6874, state=RUNNABLE, group=TGRP-HdfsUnloadDistributedZkTest] 
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at 
sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at 
sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)         at 
sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at 
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at 
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:375)
         at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:304)
         at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:179)
         at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140)
         at 
org.eclipse.jetty.io.ManagedSelector$$Lambda$240/1428089623.run(Unknown Source) 
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626) 
        at java.lang.Thread.run(Thread.java:748)    6) Thread[id=6802, 
name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.lang.Thread.run(Thread.java:748)    7) Thread[id=6805, 
name=zkConnectionManagerCallback-489-thread-1, state=WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)     
    at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)    8) Thread[id=6787, 
name=Scheduler-2087371397, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$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:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)    9) Thread[id=6822, 
name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.lang.Thread.run(Thread.java:748)   10) Thread[id=6779, 
name=qtp1025705465-6779, state=RUNNABLE, 
group=TGRP-HdfsUnloadDistributedZkTest]         at 
sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at 
sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at 
sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)         at 
sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at 
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at 
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:375)
         at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:304)
         at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:179)
         at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140)
         at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
         at 
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:382)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626) 
        at java.lang.Thread.run(Thread.java:748)   11) Thread[id=6824, 
name=qtp725343090-6824, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
         at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)     
    at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:600)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:663) 
        at java.lang.Thread.run(Thread.java:748)   12) Thread[id=6897, 
name=TEST-HdfsUnloadDistributedZkTest.test-seed#[28E698689983B5BE]-SendThread(127.0.0.1:36774),
 state=TIMED_WAITING, group=TGRP-HdfsUnloadDistributedZkTest]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:105)
         at 
org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1000)   
      at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1063)   
13) Thread[id=6899, name=zkConnectionManagerCallback-515-thread-1, 
state=WAITING, group=TGRP-HdfsUnloadDistributedZkTest]         at 
sun.misc.Unsafe.park(Native Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)     
    at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   14) Thread[id=6841, 
name=TEST-HdfsUnloadDistributedZkTest.test-seed#[28E698689983B5BE]-EventThread, 
state=WAITING, group=TGRP-HdfsUnloadDistributedZkTest]         at 
sun.misc.Unsafe.park(Native Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)     
    at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)   
15) Thread[id=6791, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.lang.Thread.run(Thread.java:748)   16) Thread[id=6890, 
name=TEST-HdfsUnloadDistributedZkTest.test-seed#[28E698689983B5BE]-SendThread(127.0.0.1:36774),
 state=TIMED_WAITING, group=TGRP-HdfsUnloadDistributedZkTest]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1054)   17) 
Thread[id=6806, name=Scheduler-372419654, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         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$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   18) Thread[id=6914, 
name=ScheduledTrigger-954-thread-2, state=WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1081)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   19) Thread[id=6910, 
name=OverseerStateUpdate-72266723021619210-127.0.0.1:33434_wm_-n_0000000001, 
state=TIMED_WAITING, group=Overseer state updater.]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:111)   
      at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:70)
         at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340)        
 at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.amILeader(Overseer.java:415) 
        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:145)       
  at java.lang.Thread.run(Thread.java:748)   20) Thread[id=6785, 
name=qtp1025705465-6785, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2163)
         at 
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.reservedWait(ReservedThreadExecutor.java:308)
         at 
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:373)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626) 
        at java.lang.Thread.run(Thread.java:748)   21) Thread[id=6916, 
name=ScheduledTrigger-954-thread-4, state=WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   22) Thread[id=6876, 
name=qtp836920967-6876, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
         at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)     
    at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:600)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:663) 
        at java.lang.Thread.run(Thread.java:748)   23) Thread[id=6798, 
name=zkConnectionManagerCallback-484-thread-1, state=WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)     
    at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   24) Thread[id=6826, 
name=qtp725343090-6826-acceptor-0@6d47a35e-ServerConnector@68daf8b6{HTTP/1.1,[http/1.1]}{127.0.0.1:42068},
 state=RUNNABLE, group=TGRP-HdfsUnloadDistributedZkTest]         at 
sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)         at 
sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422)     
    at 
sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250)     
    at 
org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:379)       
  at 
org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:638)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626) 
        at java.lang.Thread.run(Thread.java:748)   25) Thread[id=6835, 
name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.lang.Thread.run(Thread.java:748)   26) Thread[id=6896, 
name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.lang.Thread.run(Thread.java:748)   27) Thread[id=6804, 
name=TEST-HdfsUnloadDistributedZkTest.test-seed#[28E698689983B5BE]-EventThread, 
state=WAITING, group=TGRP-HdfsUnloadDistributedZkTest]         at 
sun.misc.Unsafe.park(Native Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)     
    at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)   
28) Thread[id=6861, name=searcherExecutor-940-thread-1, state=WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)     
    at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   29) Thread[id=6781, 
name=qtp1025705465-6781-acceptor-0@7eb8bc38-ServerConnector@707f4d9f{HTTP/1.1,[http/1.1]}{127.0.0.1:33434},
 state=RUNNABLE, group=TGRP-HdfsUnloadDistributedZkTest]         at 
sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)         at 
sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422)     
    at 
sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250)     
    at 
org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:379)       
  at 
org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:638)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626) 
        at java.lang.Thread.run(Thread.java:748)   30) Thread[id=6911, 
name=OverseerCollectionConfigSetProcessor-72266723021619210-127.0.0.1:33434_wm_-n_0000000001,
 state=TIMED_WAITING, group=Overseer collection creation process.]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:111)   
      at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:70)
         at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340)        
 at 
org.apache.solr.cloud.OverseerTaskProcessor.amILeader(OverseerTaskProcessor.java:392)
         at 
org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:193) 
        at java.lang.Thread.run(Thread.java:748)   31) Thread[id=6831, 
name=Scheduler-713182388, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$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:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   32) Thread[id=6792, 
name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.lang.Thread.run(Thread.java:748)   33) Thread[id=6875, 
name=qtp836920967-6875-acceptor-0@370362a5-ServerConnector@bb69cec{HTTP/1.1,[http/1.1]}{127.0.0.1:45474},
 state=RUNNABLE, group=TGRP-HdfsUnloadDistributedZkTest]         at 
sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)         at 
sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422)     
    at 
sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250)     
    at 
org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:379)       
  at 
org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:638)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626) 
        at java.lang.Thread.run(Thread.java:748)   34) Thread[id=6829, 
name=qtp725343090-6829, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
         at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)     
    at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:600)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:663) 
        at java.lang.Thread.run(Thread.java:748)   35) Thread[id=6892, 
name=zkConnectionManagerCallback-510-thread-1, state=WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)     
    at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   36) Thread[id=6879, 
name=qtp836920967-6879, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
         at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)     
    at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:600)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:663) 
        at java.lang.Thread.run(Thread.java:748)   37) Thread[id=6780, 
name=qtp1025705465-6780, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
         at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)     
    at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:600)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:663) 
        at java.lang.Thread.run(Thread.java:748)   38) Thread[id=6825, 
name=qtp725343090-6825, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
         at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)     
    at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:600)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:663) 
        at java.lang.Thread.run(Thread.java:748)   39) Thread[id=6880, 
name=qtp836920967-6880, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
         at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)     
    at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:600)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:663) 
        at java.lang.Thread.run(Thread.java:748)   40) Thread[id=6913, 
name=ScheduledTrigger-954-thread-1, state=WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   41) Thread[id=6842, 
name=zkConnectionManagerCallback-497-thread-1, state=WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)     
    at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   42) Thread[id=6844, 
name=Thread-4928, state=WAITING, group=TGRP-HdfsUnloadDistributedZkTest]        
 at java.lang.Object.wait(Native Method)         at 
java.lang.Object.wait(Object.java:502)         at 
org.apache.solr.core.CloserThread.run(CoreContainer.java:1731)   43) 
Thread[id=6885, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.lang.Thread.run(Thread.java:748)   44) Thread[id=6786, 
name=qtp1025705465-6786, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
         at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)     
    at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:600)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:663) 
        at java.lang.Thread.run(Thread.java:748)   45) Thread[id=6877, 
name=qtp836920967-6877, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
         at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)     
    at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:600)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:663) 
        at java.lang.Thread.run(Thread.java:748)   46) Thread[id=6784, 
name=qtp1025705465-6784, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
         at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)     
    at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:600)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:663) 
        at java.lang.Thread.run(Thread.java:748)   47) Thread[id=6886, 
name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.lang.Thread.run(Thread.java:748)   48) Thread[id=6851, 
name=Scheduler-851849217, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$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:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   49) Thread[id=6828, 
name=qtp725343090-6828, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
         at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)     
    at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:600)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:663) 
        at java.lang.Thread.run(Thread.java:748)   50) Thread[id=6782, 
name=qtp1025705465-6782, state=RUNNABLE, 
group=TGRP-HdfsUnloadDistributedZkTest]         at 
sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at 
sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at 
sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)         at 
sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at 
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at 
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:375)
         at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:304)
         at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:179)
         at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140)
         at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
         at 
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:382)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626) 
        at java.lang.Thread.run(Thread.java:748)   51) Thread[id=6873, 
name=qtp836920967-6873, state=RUNNABLE, group=TGRP-HdfsUnloadDistributedZkTest] 
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at 
sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at 
sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)         at 
sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at 
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at 
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:375)
         at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:304)
         at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:179)
         at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140)
         at 
org.eclipse.jetty.io.ManagedSelector$$Lambda$240/1428089623.run(Unknown Source) 
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626) 
        at java.lang.Thread.run(Thread.java:748)   52) Thread[id=6800, 
name=Thread-4912, state=WAITING, group=TGRP-HdfsUnloadDistributedZkTest]        
 at java.lang.Object.wait(Native Method)         at 
java.lang.Object.wait(Object.java:502)         at 
org.apache.solr.core.CloserThread.run(CoreContainer.java:1731)   53) 
Thread[id=6830, name=qtp725343090-6830, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
         at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)     
    at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:600)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:663) 
        at java.lang.Thread.run(Thread.java:748)   54) Thread[id=6827, 
name=qtp725343090-6827, state=RUNNABLE, group=TGRP-HdfsUnloadDistributedZkTest] 
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at 
sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at 
sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)         at 
sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at 
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at 
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:375)
         at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:304)
         at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:179)
         at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140)
         at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
         at 
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:382)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626) 
        at java.lang.Thread.run(Thread.java:748)   55) Thread[id=6783, 
name=qtp1025705465-6783, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
         at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)     
    at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:600)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:663) 
        at java.lang.Thread.run(Thread.java:748)   56) Thread[id=6847, 
name=TEST-HdfsUnloadDistributedZkTest.test-seed#[28E698689983B5BE]-SendThread(127.0.0.1:36774),
 state=TIMED_WAITING, group=TGRP-HdfsUnloadDistributedZkTest]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:105)
         at 
org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1000)   
      at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1063)   
57) Thread[id=6803, 
name=TEST-HdfsUnloadDistributedZkTest.test-seed#[28E698689983B5BE]-SendThread(127.0.0.1:36774),
 state=TIMED_WAITING, group=TGRP-HdfsUnloadDistributedZkTest]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:105)
         at 
org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1000)   
      at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1063)   
58) Thread[id=6849, name=zkConnectionManagerCallback-502-thread-1, 
state=WAITING, group=TGRP-HdfsUnloadDistributedZkTest]         at 
sun.misc.Unsafe.park(Native Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)     
    at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   59) Thread[id=6840, 
name=TEST-HdfsUnloadDistributedZkTest.test-seed#[28E698689983B5BE]-SendThread(127.0.0.1:36774),
 state=TIMED_WAITING, group=TGRP-HdfsUnloadDistributedZkTest]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:105)
         at 
org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1000)   
      at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1063)   
60) Thread[id=6898, 
name=TEST-HdfsUnloadDistributedZkTest.test-seed#[28E698689983B5BE]-EventThread, 
state=WAITING, group=TGRP-HdfsUnloadDistributedZkTest]         at 
sun.misc.Unsafe.park(Native Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)     
    at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)   
61) Thread[id=6797, 
name=TEST-HdfsUnloadDistributedZkTest.test-seed#[28E698689983B5BE]-EventThread, 
state=WAITING, group=TGRP-HdfsUnloadDistributedZkTest]         at 
sun.misc.Unsafe.park(Native Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)     
    at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)   
62) Thread[id=6796, 
name=TEST-HdfsUnloadDistributedZkTest.test-seed#[28E698689983B5BE]-SendThread(127.0.0.1:36774),
 state=TIMED_WAITING, group=TGRP-HdfsUnloadDistributedZkTest]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.zookeeper.ClientCnxnSocketNIO.cleanup(ClientCnxnSocketNIO.java:230)  
       at 
org.apache.zookeeper.ClientCnxn$SendThread.cleanup(ClientCnxn.java:1249)        
 at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1173)   63) 
Thread[id=6817, name=searcherExecutor-929-thread-1, state=WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)     
    at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   64) Thread[id=6894, 
name=Thread-4944, state=WAITING, group=TGRP-HdfsUnloadDistributedZkTest]        
 at java.lang.Object.wait(Native Method)         at 
java.lang.Object.wait(Object.java:502)         at 
org.apache.solr.core.CloserThread.run(CoreContainer.java:1731)   65) 
Thread[id=6891, 
name=TEST-HdfsUnloadDistributedZkTest.test-seed#[28E698689983B5BE]-EventThread, 
state=WAITING, group=TGRP-HdfsUnloadDistributedZkTest]         at 
sun.misc.Unsafe.park(Native Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)     
    at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)   
66) Thread[id=6878, name=qtp836920967-6878, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
         at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)     
    at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:600)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:663) 
        at java.lang.Thread.run(Thread.java:748)   67) Thread[id=6915, 
name=ScheduledTrigger-954-thread-3, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:111)   
      at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:70)
         at 
org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:316)         
at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.hasData(ZkDistribStateManager.java:58)
         at 
org.apache.solr.cloud.autoscaling.TriggerBase.saveState(TriggerBase.java:203)   
      at 
org.apache.solr.cloud.autoscaling.ScheduledTriggers$TriggerWrapper.run(ScheduledTriggers.java:582)
         at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)         
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)         at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
         at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   68) Thread[id=6846, 
name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.lang.Thread.run(Thread.java:748)   69) Thread[id=6836, 
name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.lang.Thread.run(Thread.java:748)   70) Thread[id=6848, 
name=TEST-HdfsUnloadDistributedZkTest.test-seed#[28E698689983B5BE]-EventThread, 
state=WAITING, group=TGRP-HdfsUnloadDistributedZkTest]         at 
sun.misc.Unsafe.park(Native Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)     
    at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)   
71) Thread[id=6864, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.lang.Thread.run(Thread.java:748)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 71 threads leaked from 
SUITE scope at org.apache.solr.cloud.hdfs.HdfsUnloadDistributedZkTest: 
   1) Thread[id=6823, name=qtp725343090-6823, state=RUNNABLE, 
group=TGRP-HdfsUnloadDistributedZkTest]
        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:93)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:375)
        at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:304)
        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:179)
        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140)
        at 
org.eclipse.jetty.io.ManagedSelector$$Lambda$240/1428089623.run(Unknown Source)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:748)
   2) Thread[id=6912, 
name=OverseerAutoScalingTriggerThread-72266723021619210-127.0.0.1:33434_wm_-n_0000000001,
 state=WAITING, group=Overseer autoscaling triggers]
        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 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:177)
        at java.lang.Thread.run(Thread.java:748)
   3) Thread[id=6881, name=Scheduler-691069682, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        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:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   4) Thread[id=6934, 
name=AutoscalingActionExecutor-955-thread-1-processing-n:127.0.0.1:33434_wm_, 
state=TIMED_WAITING, group=TGRP-HdfsUnloadDistributedZkTest]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:111)
        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:70)
        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340)
        at 
org.apache.solr.client.solrj.impl.ZkDistribStateManager.getAutoScalingConfig(ZkDistribStateManager.java:176)
        at 
org.apache.solr.client.solrj.cloud.autoscaling.DistribStateManager.getAutoScalingConfig(DistribStateManager.java:78)
        at 
org.apache.solr.cloud.autoscaling.ComputePlanAction.process(ComputePlanAction.java:72)
        at 
org.apache.solr.cloud.autoscaling.ScheduledTriggers.lambda$null$3(ScheduledTriggers.java:307)
        at 
org.apache.solr.cloud.autoscaling.ScheduledTriggers$$Lambda$491/1809276628.run(Unknown
 Source)
        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:188)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor$$Lambda$9/751561345.run(Unknown
 Source)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   5) Thread[id=6874, name=qtp836920967-6874, state=RUNNABLE, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:375)
        at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:304)
        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:179)
        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140)
        at 
org.eclipse.jetty.io.ManagedSelector$$Lambda$240/1428089623.run(Unknown Source)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:748)
   6) Thread[id=6802, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at java.lang.Thread.run(Thread.java:748)
   7) Thread[id=6805, name=zkConnectionManagerCallback-489-thread-1, 
state=WAITING, group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   8) Thread[id=6787, name=Scheduler-2087371397, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$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:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   9) Thread[id=6822, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at java.lang.Thread.run(Thread.java:748)
  10) Thread[id=6779, name=qtp1025705465-6779, state=RUNNABLE, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:375)
        at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:304)
        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:179)
        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140)
        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
        at 
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:382)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:748)
  11) Thread[id=6824, name=qtp725343090-6824, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:600)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:663)
        at java.lang.Thread.run(Thread.java:748)
  12) Thread[id=6897, 
name=TEST-HdfsUnloadDistributedZkTest.test-seed#[28E698689983B5BE]-SendThread(127.0.0.1:36774),
 state=TIMED_WAITING, group=TGRP-HdfsUnloadDistributedZkTest]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:105)
        at 
org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1000)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1063)
  13) Thread[id=6899, name=zkConnectionManagerCallback-515-thread-1, 
state=WAITING, group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  14) Thread[id=6841, 
name=TEST-HdfsUnloadDistributedZkTest.test-seed#[28E698689983B5BE]-EventThread, 
state=WAITING, group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)
  15) Thread[id=6791, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at java.lang.Thread.run(Thread.java:748)
  16) Thread[id=6890, 
name=TEST-HdfsUnloadDistributedZkTest.test-seed#[28E698689983B5BE]-SendThread(127.0.0.1:36774),
 state=TIMED_WAITING, group=TGRP-HdfsUnloadDistributedZkTest]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1054)
  17) Thread[id=6806, name=Scheduler-372419654, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        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$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  18) Thread[id=6914, name=ScheduledTrigger-954-thread-2, state=WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1081)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  19) Thread[id=6910, 
name=OverseerStateUpdate-72266723021619210-127.0.0.1:33434_wm_-n_0000000001, 
state=TIMED_WAITING, group=Overseer state updater.]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:111)
        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:70)
        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340)
        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.amILeader(Overseer.java:415)
        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:145)
        at java.lang.Thread.run(Thread.java:748)
  20) Thread[id=6785, name=qtp1025705465-6785, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2163)
        at 
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.reservedWait(ReservedThreadExecutor.java:308)
        at 
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:373)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:748)
  21) Thread[id=6916, name=ScheduledTrigger-954-thread-4, state=WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  22) Thread[id=6876, name=qtp836920967-6876, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:600)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:663)
        at java.lang.Thread.run(Thread.java:748)
  23) Thread[id=6798, name=zkConnectionManagerCallback-484-thread-1, 
state=WAITING, group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  24) Thread[id=6826, 
name=qtp725343090-6826-acceptor-0@6d47a35e-ServerConnector@68daf8b6{HTTP/1.1,[http/1.1]}{127.0.0.1:42068},
 state=RUNNABLE, group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)
        at 
sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422)
        at 
sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250)
        at 
org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:379)
        at 
org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:638)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:748)
  25) Thread[id=6835, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at java.lang.Thread.run(Thread.java:748)
  26) Thread[id=6896, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at java.lang.Thread.run(Thread.java:748)
  27) Thread[id=6804, 
name=TEST-HdfsUnloadDistributedZkTest.test-seed#[28E698689983B5BE]-EventThread, 
state=WAITING, group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)
  28) Thread[id=6861, name=searcherExecutor-940-thread-1, state=WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  29) Thread[id=6781, 
name=qtp1025705465-6781-acceptor-0@7eb8bc38-ServerConnector@707f4d9f{HTTP/1.1,[http/1.1]}{127.0.0.1:33434},
 state=RUNNABLE, group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)
        at 
sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422)
        at 
sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250)
        at 
org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:379)
        at 
org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:638)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:748)
  30) Thread[id=6911, 
name=OverseerCollectionConfigSetProcessor-72266723021619210-127.0.0.1:33434_wm_-n_0000000001,
 state=TIMED_WAITING, group=Overseer collection creation process.]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:111)
        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:70)
        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340)
        at 
org.apache.solr.cloud.OverseerTaskProcessor.amILeader(OverseerTaskProcessor.java:392)
        at 
org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:193)
        at java.lang.Thread.run(Thread.java:748)
  31) Thread[id=6831, name=Scheduler-713182388, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$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:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  32) Thread[id=6792, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at java.lang.Thread.run(Thread.java:748)
  33) Thread[id=6875, 
name=qtp836920967-6875-acceptor-0@370362a5-ServerConnector@bb69cec{HTTP/1.1,[http/1.1]}{127.0.0.1:45474},
 state=RUNNABLE, group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)
        at 
sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422)
        at 
sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250)
        at 
org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:379)
        at 
org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:638)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:748)
  34) Thread[id=6829, name=qtp725343090-6829, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:600)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:663)
        at java.lang.Thread.run(Thread.java:748)
  35) Thread[id=6892, name=zkConnectionManagerCallback-510-thread-1, 
state=WAITING, group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  36) Thread[id=6879, name=qtp836920967-6879, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:600)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:663)
        at java.lang.Thread.run(Thread.java:748)
  37) Thread[id=6780, name=qtp1025705465-6780, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:600)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:663)
        at java.lang.Thread.run(Thread.java:748)
  38) Thread[id=6825, name=qtp725343090-6825, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:600)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:663)
        at java.lang.Thread.run(Thread.java:748)
  39) Thread[id=6880, name=qtp836920967-6880, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:600)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:663)
        at java.lang.Thread.run(Thread.java:748)
  40) Thread[id=6913, name=ScheduledTrigger-954-thread-1, state=WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  41) Thread[id=6842, name=zkConnectionManagerCallback-497-thread-1, 
state=WAITING, group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  42) Thread[id=6844, name=Thread-4928, state=WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:502)
        at org.apache.solr.core.CloserThread.run(CoreContainer.java:1731)
  43) Thread[id=6885, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at java.lang.Thread.run(Thread.java:748)
  44) Thread[id=6786, name=qtp1025705465-6786, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:600)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:663)
        at java.lang.Thread.run(Thread.java:748)
  45) Thread[id=6877, name=qtp836920967-6877, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:600)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:663)
        at java.lang.Thread.run(Thread.java:748)
  46) Thread[id=6784, name=qtp1025705465-6784, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:600)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:663)
        at java.lang.Thread.run(Thread.java:748)
  47) Thread[id=6886, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at java.lang.Thread.run(Thread.java:748)
  48) Thread[id=6851, name=Scheduler-851849217, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$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:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  49) Thread[id=6828, name=qtp725343090-6828, state=TIMED_WAITING, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:600)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:663)
        at java.lang.Thread.run(Thread.java:748)
  50) Thread[id=6782, name=qtp1025705465-6782, state=RUNNABLE, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:375)
        at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:304)
        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:179)
        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140)
        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
        at 
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:382)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:748)
  51) Thread[id=6873, name=qtp836920967-6873, state=RUNNABLE, 
group=TGRP-HdfsUnloadDistributedZkTest]
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:375)
        at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:304)
        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:179)
        at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouK

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

ookeeper.ZooKeeper.getData(ZooKeeper.java:1215)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkStateReader.getAutoScalingConfig(ZkStateReader.java:196)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkStateReader.getAutoScalingConfig(ZkStateReader.java:182)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkController.createEphemeralLiveNode(ZkController.java:974)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkController.access$500(ZkController.java:138)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkController$1.command(ZkController.java:363)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ConnectionManager$1.update(ConnectionManager.java:167)
   [junit4]   2>        at 
org.apache.solr.common.cloud.DefaultConnectionStrategy.reconnect(DefaultConnectionStrategy.java:57)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ConnectionManager.process(ConnectionManager.java:141)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$1.lambda$process$0(SolrZkClient.java:267)
   [junit4]   2>        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
   [junit4]   2>        at 
java.util.concurrent.FutureTask.run(FutureTask.java:266)
   [junit4]   2>        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:188)
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748)
   [junit4]   2> 
   [junit4]   2> 2044005 ERROR 
(zkConnectionManagerCallback-1772-thread-1-processing-n:127.0.0.1:34281_solr) 
[n:127.0.0.1:34281_solr    ] o.a.s.c.c.DefaultConnectionStrategy Reconnect to 
ZooKeeper failed:org.apache.solr.common.cloud.ZooKeeperException: 
   [junit4]   2>        at 
org.apache.solr.cloud.ZkController$1.command(ZkController.java:415)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ConnectionManager$1.update(ConnectionManager.java:167)
   [junit4]   2>        at 
org.apache.solr.common.cloud.DefaultConnectionStrategy.reconnect(DefaultConnectionStrategy.java:57)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ConnectionManager.process(ConnectionManager.java:141)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient$1.lambda$process$0(SolrZkClient.java:267)
   [junit4]   2>        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
   [junit4]   2>        at 
java.util.concurrent.FutureTask.run(FutureTask.java:266)
   [junit4]   2>        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:188)
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
   [junit4]   2>        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]   2>        at java.lang.Thread.run(Thread.java:748)
   [junit4]   2> Caused by: 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = 
Session expired for /autoscaling.json
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:130)
   [junit4]   2>        at 
org.apache.zookeeper.KeeperException.create(KeeperException.java:54)
   [junit4]   2>        at 
org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1215)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.lambda$getData$5(SolrZkClient.java:340)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:60)
   [junit4]   2>        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:340)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkStateReader.getAutoScalingConfig(ZkStateReader.java:196)
   [junit4]   2>        at 
org.apache.solr.common.cloud.ZkStateReader.getAutoScalingConfig(ZkStateReader.java:182)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkController.createEphemeralLiveNode(ZkController.java:974)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkController.access$500(ZkController.java:138)
   [junit4]   2>        at 
org.apache.solr.cloud.ZkController$1.command(ZkController.java:363)
   [junit4]   2>        ... 10 more
   [junit4]   2> 
   [junit4]   2> 2044005 WARN  
(zkConnectionManagerCallback-1772-thread-1-processing-n:127.0.0.1:34281_solr) 
[n:127.0.0.1:34281_solr    ] o.a.s.c.c.DefaultConnectionStrategy Reconnect to 
ZooKeeper failed
   [junit4]   2> 2044005 INFO  
(zkConnectionManagerCallback-1772-thread-1-processing-n:127.0.0.1:34281_solr) 
[n:127.0.0.1:34281_solr    ] o.a.s.c.c.ConnectionManager zkClient Connected:true
   [junit4]   2> 2044006 INFO  (jetty-closer-1662-thread-2) [    ] 
o.e.j.s.h.ContextHandler Stopped 
o.e.j.s.ServletContextHandler@7750aab1{/solr,null,UNAVAILABLE}
   [junit4]   2> 2044007 INFO  (jetty-closer-1662-thread-2) [    ] 
o.e.j.s.session Stopped scavenging
   [junit4]   2> 2044007 ERROR 
(SUITE-LIROnShardRestartTest-seed#[28E698689983B5BE]-worker) [    ] 
o.a.z.s.ZooKeeperServer ZKShutdownHandler is not registered, so ZooKeeper 
server won't take any action on ERROR or SHUTDOWN server state changes
   [junit4]   2> 2044007 INFO  
(SUITE-LIROnShardRestartTest-seed#[28E698689983B5BE]-worker) [    ] 
o.a.s.c.ZkTestServer connecting to 127.0.0.1:38542 38542
   [junit4]   2> 2044231 INFO  (Thread-1827) [    ] o.a.s.c.ZkTestServer 
connecting to 127.0.0.1:38542 38542
   [junit4]   2> 2044232 WARN  (Thread-1827) [    ] o.a.s.c.ZkTestServer Watch 
limit violations: 
   [junit4]   2> Maximum concurrent create/delete watches above limit:
   [junit4]   2> 
   [junit4]   2>        45      
/solr/collections/severalReplicasInLIR/terms/shard1
   [junit4]   2>        41      /solr/collections/allReplicasInLIR/terms/shard1
   [junit4]   2>        22      /solr/aliases.json
   [junit4]   2>        12      /solr/security.json
   [junit4]   2>        8       /solr/configs/allReplicasInLIR.AUTOCREATED
   [junit4]   2>        8       
/solr/configs/allReplicasInLIR.AUTOCREATED/managed-schema
   [junit4]   2>        6       
/solr/collections/allReplicasInLIR/collectionprops.json
   [junit4]   2>        6       
/solr/collections/severalReplicasInLIR/collectionprops.json
   [junit4]   2>        6       /solr/configs/severalReplicasInLIR.AUTOCREATED
   [junit4]   2>        6       
/solr/configs/severalReplicasInLIR.AUTOCREATED/managed-schema
   [junit4]   2> 
   [junit4]   2> Maximum concurrent data watches above limit:
   [junit4]   2> 
   [junit4]   2>        64      /solr/collections/allReplicasInLIR/state.json
   [junit4]   2>        62      
/solr/collections/severalReplicasInLIR/state.json
   [junit4]   2>        22      /solr/clusterprops.json
   [junit4]   2>        22      /solr/clusterstate.json
   [junit4]   2>        5       /solr/autoscaling.json
   [junit4]   2>        2       
/solr/overseer_elect/election/72266798835761192-127.0.0.1:34570_solr-n_0000000009
   [junit4]   2>        2       
/solr/collections/severalReplicasInLIR/leader_elect/shard1/election/72266798835761169-core_node6-n_0000000005
   [junit4]   2>        2       
/solr/overseer_elect/election/72266798835761159-127.0.0.1:34281_solr-n_0000000000
   [junit4]   2>        2       
/solr/collections/severalReplicasInLIR/leader_elect/shard1/election/72266798835761159-core_node5-n_0000000000
   [junit4]   2> 
   [junit4]   2> Maximum concurrent children watches above limit:
   [junit4]   2> 
   [junit4]   2>        22      /solr/collections
   [junit4]   2>        21      /solr/live_nodes
   [junit4]   2>        5       /solr/autoscaling/events/.scheduled_maintenance
   [junit4]   2>        5       /solr/autoscaling/events/.auto_add_replicas
   [junit4]   2>        5       /solr/overseer/queue-work
   [junit4]   2>        5       /solr/overseer/collection-queue-work
   [junit4]   2>        4       /solr/overseer/queue
   [junit4]   2> 
   [junit4]   2> NOTE: leaving temporary files on disk at: 
/home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-master/checkout/solr/build/solr-core/test/J2/temp/solr.cloud.LIROnShardRestartTest_28E698689983B5BE-001
   [junit4]   2> Mar 12, 2018 11:41:16 AM 
com.carrotsearch.randomizedtesting.ThreadLeakControl checkThreadLeaks
   [junit4]   2> WARNING: Will linger awaiting termination of 1 leaked 
thread(s).
   [junit4]   2> NOTE: test params are: codec=Asserting(Lucene70), 
sim=Asserting(org.apache.lucene.search.similarities.AssertingSimilarity@37c94d1d),
 locale=lv, timezone=Europe/Podgorica
   [junit4]   2> NOTE: Linux 4.4.0-112-generic amd64/Oracle Corporation 
1.8.0_152 (64-bit)/cpus=4,threads=1,free=298832472,total=526385152
   [junit4]   2> NOTE: All tests run in this JVM: [SparseHLLTest, 
TestSystemCollAutoCreate, ZkStateReaderTest, TestCollationFieldDocValues, 
SolrShardReporterTest, MinimalSchemaTest, TestJettySolrRunner, 
TestDistributedMap, DocValuesTest, TestJavabinTupleStreamParser, 
TestInPlaceUpdatesStandalone, BlockJoinFacetRandomTest, PingRequestHandlerTest, 
BasicDistributedZk2Test, TestCloudJSONFacetJoinDomain, TestLegacyField, 
TestShortCircuitedRequests, TestUtilizeNode, TestRequestStatusCollectionAPI, 
AnalyticsQueryTest, TestSchemaVersionResource, SolrCmdDistributorTest, 
TestSolrCloudWithDelegationTokens, RestartWhileUpdatingTest, 
PeerSyncWithIndexFingerprintCachingTest, CopyFieldTest, TestFiltering, 
TestBadConfig, TestTrieFacet, TestQuerySenderListener, DateFieldTest, 
AnalysisErrorHandlingTest, MultiThreadedOCPTest, TestSolrConfigHandler, 
ConvertedLegacyTest, ReturnFieldsTest, EnumFieldTest, CdcrRequestHandlerTest, 
RuleEngineTest, AddReplicaTest, HdfsWriteToMultipleCollectionsTest, 
TestLMJelinekMercerSimilarityFactory, ParsingFieldUpdateProcessorsTest, 
TestTolerantSearch, NodeAddedTriggerTest, HdfsRecoveryZkTest, TestConfigSets, 
TestCloudNestedDocsSort, TestRawTransformer, CoreMergeIndexesAdminHandlerTest, 
URLClassifyProcessorTest, TestSuggestSpellingConverter, 
TestManagedStopFilterFactory, ShowFileRequestHandlerTest, LIROnShardRestartTest]
   [junit4] Completed [623/785 (2!)] on J2 in 65.35s, 2 tests, 1 error <<< 
FAILURES!

[...truncated 50010 lines...]

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[JENKINS] Lucene-Solr-NightlyTests-master - Build # 1501 - Still Unstable

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