[JENKINS-EA] Lucene-Solr-7.x-Linux (64bit/jdk-11-ea+28) - Build # 2806 - Unstable!

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Build: https://jenkins.thetaphi.de/job/Lucene-Solr-7.x-Linux/2806/
Java: 64bit/jdk-11-ea+28 -XX:-UseCompressedOops -XX:+UseConcMarkSweepGC

27 tests failed.
FAILED:  junit.framework.TestSuite.org.apache.solr.ltr.TestLTROnSolrCloud

Error Message:
43 threads leaked from SUITE scope at org.apache.solr.ltr.TestLTROnSolrCloud:   
  1) Thread[id=26, name=qtp784955449-26, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
         at 
app//org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:653)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:717)
         at java.base@11/java.lang.Thread.run(Thread.java:834)    2) 
Thread[id=31, name=qtp784955449-31, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2211)
         at 
app//org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.reservedWait(ReservedThreadExecutor.java:292)
         at 
app//org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:357)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:762)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:680)
         at java.base@11/java.lang.Thread.run(Thread.java:834)    3) 
Thread[id=75, name=OverseerThreadFactory-9-thread-1, state=WAITING, 
group=Overseer collection creation process.]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)  
       at 
java.base@11/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.base@11/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@11/java.util.concurrent.SynchronousQueue.take(SynchronousQueue.java:920)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
         at java.base@11/java.lang.Thread.run(Thread.java:834)    4) 
Thread[id=34, name=Scheduler-2100278198, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
         at java.base@11/java.lang.Thread.run(Thread.java:834)    5) 
Thread[id=80, name=qtp784955449-80, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
         at 
app//org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:653)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:717)
         at java.base@11/java.lang.Thread.run(Thread.java:834)    6) 
Thread[id=61, name=MetricsHistoryHandler-12-thread-1, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
         at java.base@11/java.lang.Thread.run(Thread.java:834)    7) 
Thread[id=39, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.base@11/java.lang.Thread.run(Thread.java:834)    8) 
Thread[id=48, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.base@11/java.lang.Thread.run(Thread.java:834)    9) 
Thread[id=59, name=ScheduledTrigger-7-thread-4, state=WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)  
       at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1177)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   10) 
Thread[id=72, 
name=TEST-TestLTROnSolrCloud.testSimpleQuery-seed#[8A7F2BF4972DAF4]-EventThread,
 state=WAITING, group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)  
       at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
         at 
java.base@11/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
         at 
app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)   11) 
Thread[id=44, name=jetty-launcher-1-thread-1-SendThread(127.0.0.1:33443), 
state=RUNNABLE, group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/sun.nio.ch.EPoll.wait(Native Method)         at 
java.base@11/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:120)  
       at 
java.base@11/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)     
    at java.base@11/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)       
  at 
app//org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1144)   12) 
Thread[id=81, name=qtp784955449-81, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
         at 
app//org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:653)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:717)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   13) 
Thread[id=17, name=NIOServerCxn.Factory:0.0.0.0/0.0.0.0:0, state=RUNNABLE, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/sun.nio.ch.EPoll.wait(Native Method)         at 
java.base@11/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:120)  
       at 
java.base@11/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)     
    at java.base@11/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)       
  at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:196)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   14) 
Thread[id=49, name=jetty-launcher-1-thread-1-SendThread(127.0.0.1:33443), 
state=RUNNABLE, group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/sun.nio.ch.EPoll.wait(Native Method)         at 
java.base@11/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:120)  
       at 
java.base@11/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)     
    at java.base@11/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)       
  at 
app//org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1144)   15) 
Thread[id=73, name=zkConnectionManagerCallback-29-thread-1, state=WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)  
       at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
         at 
java.base@11/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   16) 
Thread[id=52, 
name=OverseerCollectionConfigSetProcessor-72286153032859651-127.0.0.1:36465_solr-n_0000000000,
 state=TIMED_WAITING, group=Overseer collection creation process.]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
         at 
app//org.apache.solr.cloud.ZkDistributedQueue.peekElements(ZkDistributedQueue.java:463)
         at 
app//org.apache.solr.cloud.OverseerTaskQueue.peekTopN(OverseerTaskQueue.java:243)
         at 
app//org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:233)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   17) 
Thread[id=18, name=SessionTracker, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/java.lang.Object.wait(Native Method)         at 
app//org.apache.zookeeper.server.SessionTrackerImpl.run(SessionTrackerImpl.java:147)
   18) Thread[id=27, name=qtp784955449-27, state=RUNNABLE, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/sun.nio.ch.EPoll.wait(Native Method)         at 
java.base@11/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:120)  
       at 
java.base@11/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)     
    at java.base@11/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:141)       
  at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:396)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:333)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produceTask(EatWhatYouKill.java:357)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:181)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
         at 
app//org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:762)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:680)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   19) 
Thread[id=32, name=qtp784955449-32, state=RUNNABLE, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/sun.nio.ch.EPoll.wait(Native Method)         at 
java.base@11/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:120)  
       at 
java.base@11/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)     
    at java.base@11/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:141)       
  at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:396)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:333)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produceTask(EatWhatYouKill.java:357)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:181)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
         at 
app//org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:762)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:680)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   20) 
Thread[id=79, name=qtp784955449-79, state=RUNNABLE, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/sun.nio.ch.EPoll.wait(Native Method)         at 
java.base@11/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:120)  
       at 
java.base@11/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)     
    at java.base@11/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:141)       
  at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:396)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:333)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produceTask(EatWhatYouKill.java:357)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:181)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
         at 
app//org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:762)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:680)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   21) 
Thread[id=53, 
name=OverseerAutoScalingTriggerThread-72286153032859651-127.0.0.1:36465_solr-n_0000000000,
 state=WAITING, group=Overseer autoscaling triggers]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)  
       at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
         at 
app//org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:189)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   22) 
Thread[id=56, name=ScheduledTrigger-7-thread-1, state=WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)  
       at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1177)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   23) 
Thread[id=30, 
name=qtp784955449-30-acceptor-0@337532d5-ServerConnector@3db2dacb{SSL,[ssl, 
http/1.1]}{127.0.0.1:36465}, state=RUNNABLE, group=TGRP-TestLTROnSolrCloud]     
    at java.base@11/sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)   
      at 
java.base@11/sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:533)
         at 
java.base@11/sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:285)
         at 
app//org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:369)  
       at 
app//org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:639)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:762)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:680)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   24) 
Thread[id=51, name=zkConnectionManagerCallback-19-thread-1, state=WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)  
       at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
         at 
java.base@11/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   25) 
Thread[id=67, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   26) 
Thread[id=38, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   27) 
Thread[id=71, 
name=TEST-TestLTROnSolrCloud.testSimpleQuery-seed#[8A7F2BF4972DAF4]-SendThread(127.0.0.1:33443),
 state=RUNNABLE, group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/sun.nio.ch.EPoll.wait(Native Method)         at 
java.base@11/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:120)  
       at 
java.base@11/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)     
    at java.base@11/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)       
  at 
app//org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1144)   28) 
Thread[id=29, name=qtp784955449-29, state=RUNNABLE, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/sun.nio.ch.EPoll.wait(Native Method)         at 
java.base@11/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:120)  
       at 
java.base@11/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)     
    at java.base@11/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:141)       
  at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:396)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:333)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produceTask(EatWhatYouKill.java:357)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:181)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
         at 
app//org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:762)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:680)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   29) 
Thread[id=45, name=jetty-launcher-1-thread-1-EventThread, state=WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)  
       at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
         at 
java.base@11/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
         at 
app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)   30) 
Thread[id=50, name=jetty-launcher-1-thread-1-EventThread, state=WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)  
       at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
         at 
java.base@11/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
         at 
app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)   31) 
Thread[id=87, name=SolrRrdBackendFactory-11-thread-2, state=WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)  
       at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1177)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   32) 
Thread[id=16, name=Thread-0, state=WAITING, group=TGRP-TestLTROnSolrCloud]      
   at java.base@11/java.lang.Object.wait(Native Method)         at 
java.base@11/java.lang.Thread.join(Thread.java:1305)         at 
java.base@11/java.lang.Thread.join(Thread.java:1379)         at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory.join(NIOServerCnxnFactory.java:313)
         at 
app//org.apache.solr.cloud.ZkTestServer$ZKServerMain.runFromConfig(ZkTestServer.java:313)
         at 
app//org.apache.solr.cloud.ZkTestServer$2.run(ZkTestServer.java:496)   33) 
Thread[id=33, name=qtp784955449-33, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
         at 
app//org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:653)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:717)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   34) 
Thread[id=46, name=zkConnectionManagerCallback-12-thread-1, state=WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)  
       at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
         at 
java.base@11/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   35) 
Thread[id=60, name=SolrRrdBackendFactory-11-thread-1, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   36) 
Thread[id=74, name=Scheduler-1937171119, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   37) 
Thread[id=62, name=Thread-10, state=WAITING, group=TGRP-TestLTROnSolrCloud]     
    at java.base@11/java.lang.Object.wait(Native Method)         at 
java.base@11/java.lang.Object.wait(Object.java:328)         at 
app//org.apache.solr.core.CloserThread.run(CoreContainer.java:1850)   38) 
Thread[id=58, name=ScheduledTrigger-7-thread-3, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   39) 
Thread[id=57, name=ScheduledTrigger-7-thread-2, state=WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)  
       at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1177)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   40) 
Thread[id=20, name=ProcessThread(sid:0 cport:33443):, state=WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)  
       at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
         at 
java.base@11/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
         at 
app//org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:123)
   41) Thread[id=40, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   42) 
Thread[id=47, 
name=OverseerStateUpdate-72286153032859651-127.0.0.1:36465_solr-n_0000000000, 
state=TIMED_WAITING, group=Overseer state updater.]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
         at 
app//org.apache.solr.cloud.ZkDistributedQueue.peekElements(ZkDistributedQueue.java:463)
         at 
app//org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:207)  
       at java.base@11/java.lang.Thread.run(Thread.java:834)   43) 
Thread[id=28, name=qtp784955449-28, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2211)
         at 
app//org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.reservedWait(ReservedThreadExecutor.java:292)
         at 
app//org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:357)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:762)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:680)
         at java.base@11/java.lang.Thread.run(Thread.java:834)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 43 threads leaked from 
SUITE scope at org.apache.solr.ltr.TestLTROnSolrCloud: 
   1) Thread[id=26, name=qtp784955449-26, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
        at 
app//org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:653)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:717)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
   2) Thread[id=31, name=qtp784955449-31, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2211)
        at 
app//org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.reservedWait(ReservedThreadExecutor.java:292)
        at 
app//org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:357)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:762)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:680)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
   3) Thread[id=75, name=OverseerThreadFactory-9-thread-1, state=WAITING, 
group=Overseer collection creation process.]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@11/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.base@11/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@11/java.util.concurrent.SynchronousQueue.take(SynchronousQueue.java:920)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
   4) Thread[id=34, name=Scheduler-2100278198, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
        at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
        at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
   5) Thread[id=80, name=qtp784955449-80, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
        at 
app//org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:653)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:717)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
   6) Thread[id=61, name=MetricsHistoryHandler-12-thread-1, 
state=TIMED_WAITING, group=TGRP-TestLTROnSolrCloud]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
        at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
        at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
   7) Thread[id=39, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
   8) Thread[id=48, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
   9) Thread[id=59, name=ScheduledTrigger-7-thread-4, state=WAITING, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1177)
        at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
  10) Thread[id=72, 
name=TEST-TestLTROnSolrCloud.testSimpleQuery-seed#[8A7F2BF4972DAF4]-EventThread,
 state=WAITING, group=TGRP-TestLTROnSolrCloud]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
java.base@11/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)
  11) Thread[id=44, name=jetty-launcher-1-thread-1-SendThread(127.0.0.1:33443), 
state=RUNNABLE, group=TGRP-TestLTROnSolrCloud]
        at java.base@11/sun.nio.ch.EPoll.wait(Native Method)
        at 
java.base@11/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:120)
        at 
java.base@11/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at java.base@11/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
        at 
app//org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
        at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1144)
  12) Thread[id=81, name=qtp784955449-81, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
        at 
app//org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:653)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:717)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
  13) Thread[id=17, name=NIOServerCxn.Factory:0.0.0.0/0.0.0.0:0, 
state=RUNNABLE, group=TGRP-TestLTROnSolrCloud]
        at java.base@11/sun.nio.ch.EPoll.wait(Native Method)
        at 
java.base@11/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:120)
        at 
java.base@11/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at java.base@11/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:196)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
  14) Thread[id=49, name=jetty-launcher-1-thread-1-SendThread(127.0.0.1:33443), 
state=RUNNABLE, group=TGRP-TestLTROnSolrCloud]
        at java.base@11/sun.nio.ch.EPoll.wait(Native Method)
        at 
java.base@11/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:120)
        at 
java.base@11/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at java.base@11/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
        at 
app//org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
        at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1144)
  15) Thread[id=73, name=zkConnectionManagerCallback-29-thread-1, 
state=WAITING, group=TGRP-TestLTROnSolrCloud]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
java.base@11/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
  16) Thread[id=52, 
name=OverseerCollectionConfigSetProcessor-72286153032859651-127.0.0.1:36465_solr-n_0000000000,
 state=TIMED_WAITING, group=Overseer collection creation process.]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
        at 
app//org.apache.solr.cloud.ZkDistributedQueue.peekElements(ZkDistributedQueue.java:463)
        at 
app//org.apache.solr.cloud.OverseerTaskQueue.peekTopN(OverseerTaskQueue.java:243)
        at 
app//org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:233)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
  17) Thread[id=18, name=SessionTracker, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/java.lang.Object.wait(Native Method)
        at 
app//org.apache.zookeeper.server.SessionTrackerImpl.run(SessionTrackerImpl.java:147)
  18) Thread[id=27, name=qtp784955449-27, state=RUNNABLE, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/sun.nio.ch.EPoll.wait(Native Method)
        at 
java.base@11/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:120)
        at 
java.base@11/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at java.base@11/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:141)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:396)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:333)
        at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produceTask(EatWhatYouKill.java:357)
        at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:181)
        at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
        at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
        at 
app//org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:762)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:680)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
  19) Thread[id=32, name=qtp784955449-32, state=RUNNABLE, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/sun.nio.ch.EPoll.wait(Native Method)
        at 
java.base@11/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:120)
        at 
java.base@11/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at java.base@11/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:141)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:396)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:333)
        at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produceTask(EatWhatYouKill.java:357)
        at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:181)
        at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
        at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
        at 
app//org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:762)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:680)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
  20) Thread[id=79, name=qtp784955449-79, state=RUNNABLE, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/sun.nio.ch.EPoll.wait(Native Method)
        at 
java.base@11/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:120)
        at 
java.base@11/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at java.base@11/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:141)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:396)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:333)
        at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produceTask(EatWhatYouKill.java:357)
        at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:181)
        at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
        at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
        at 
app//org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:762)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:680)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
  21) Thread[id=53, 
name=OverseerAutoScalingTriggerThread-72286153032859651-127.0.0.1:36465_solr-n_0000000000,
 state=WAITING, group=Overseer autoscaling triggers]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
app//org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:189)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
  22) Thread[id=56, name=ScheduledTrigger-7-thread-1, state=WAITING, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1177)
        at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
  23) Thread[id=30, 
name=qtp784955449-30-acceptor-0@337532d5-ServerConnector@3db2dacb{SSL,[ssl, 
http/1.1]}{127.0.0.1:36465}, state=RUNNABLE, group=TGRP-TestLTROnSolrCloud]
        at java.base@11/sun.nio.ch.ServerSocketChannelImpl.accept0(Native 
Method)
        at 
java.base@11/sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:533)
        at 
java.base@11/sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:285)
        at 
app//org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:369)
        at 
app//org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:639)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:762)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:680)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
  24) Thread[id=51, name=zkConnectionManagerCallback-19-thread-1, 
state=WAITING, group=TGRP-TestLTROnSolrCloud]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
java.base@11/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
  25) Thread[id=67, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
  26) Thread[id=38, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
  27) Thread[id=71, 
name=TEST-TestLTROnSolrCloud.testSimpleQuery-seed#[8A7F2BF4972DAF4]-SendThread(127.0.0.1:33443),
 state=RUNNABLE, group=TGRP-TestLTROnSolrCloud]
        at java.base@11/sun.nio.ch.EPoll.wait(Native Method)
        at 
java.base@11/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:120)
        at 
java.base@11/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at java.base@11/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
        at 
app//org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
        at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1144)
  28) Thread[id=29, name=qtp784955449-29, state=RUNNABLE, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/sun.nio.ch.EPoll.wait(Native Method)
        at 
java.base@11/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:120)
        at 
java.base@11/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
        at java.base@11/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:141)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:396)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:333)
        at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produceTask(EatWhatYouKill.java:357)
        at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:181)
        at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
        at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
        at 
app//org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:762)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:680)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
  29) Thread[id=45, name=jetty-launcher-1-thread-1-EventThread, state=WAITING, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
java.base@11/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)
  30) Thread[id=50, name=jetty-launcher-1-thread-1-EventThread, state=WAITING, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
java.base@11/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)
  31) Thread[id=87, name=SolrRrdBackendFactory-11-thread-2, state=WAITING, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1177)
        at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
  32) Thread[id=16, name=Thread-0, state=WAITING, group=TGRP-TestLTROnSolrCloud]
        at java.base@11/java.lang.Object.wait(Native Method)
        at java.base@11/java.lang.Thread.join(Thread.java:1305)
        at java.base@11/java.lang.Thread.join(Thread.java:1379)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory.join(NIOServerCnxnFactory.java:313)
        at 
app//org.apache.solr.cloud.ZkTestServer$ZKServerMain.runFromConfig(ZkTestServer.java:313)
        at app//org.apache.solr.cloud.ZkTestServer$2.run(ZkTestServer.java:496)
  33) Thread[id=33, name=qtp784955449-33, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
        at 
app//org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:653)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:717)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
  34) Thread[id=46, name=zkConnectionManagerCallback-12-thread-1, 
state=WAITING, group=TGRP-TestLTROnSolrCloud]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
java.base@11/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
  35) Thread[id=60, name=SolrRrdBackendFactory-11-thread-1, 
state=TIMED_WAITING, group=TGRP-TestLTROnSolrCloud]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
        at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
        at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
  36) Thread[id=74, name=Scheduler-1937171119, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
        at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
        at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
  37) Thread[id=62, name=Thread-10, state=WAITING, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/java.lang.Object.wait(Native Method)
        at java.base@11/java.lang.Object.wait(Object.java:328)
        at app//org.apache.solr.core.CloserThread.run(CoreContainer.java:1850)
  38) Thread[id=58, name=ScheduledTrigger-7-thread-3, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
        at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
        at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
  39) Thread[id=57, name=ScheduledTrigger-7-thread-2, state=WAITING, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1177)
        at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
        at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
  40) Thread[id=20, name=ProcessThread(sid:0 cport:33443):, state=WAITING, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
        at 
java.base@11/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
        at 
app//org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:123)
  41) Thread[id=40, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
  42) Thread[id=47, 
name=OverseerStateUpdate-72286153032859651-127.0.0.1:36465_solr-n_0000000000, 
state=TIMED_WAITING, group=Overseer state updater.]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
        at 
app//org.apache.solr.cloud.ZkDistributedQueue.peekElements(ZkDistributedQueue.java:463)
        at 
app//org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:207)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
  43) Thread[id=28, name=qtp784955449-28, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]
        at java.base@11/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2211)
        at 
app//org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.reservedWait(ReservedThreadExecutor.java:292)
        at 
app//org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:357)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:762)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:680)
        at java.base@11/java.lang.Thread.run(Thread.java:834)
        at __randomizedtesting.SeedInfo.seed([8A7F2BF4972DAF4]:0)


FAILED:  junit.framework.TestSuite.org.apache.solr.ltr.TestLTROnSolrCloud

Error Message:
There are still zombie threads that couldn't be terminated:    1) Thread[id=79, 
name=qtp784955449-79, state=RUNNABLE, group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/sun.nio.ch.IOUtil.drain(Native Method)         at 
java.base@11/sun.nio.ch.EPollSelectorImpl.clearInterrupt(EPollSelectorImpl.java:266)
         at 
java.base@11/sun.nio.ch.EPollSelectorImpl.processEvents(EPollSelectorImpl.java:203)
         at 
java.base@11/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:137)  
       at 
java.base@11/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)     
    at java.base@11/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:141)       
  at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:396)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:333)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produceTask(EatWhatYouKill.java:357)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:181)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
         at 
app//org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:762)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:680)
         at java.base@11/java.lang.Thread.run(Thread.java:834)    2) 
Thread[id=31, name=qtp784955449-31, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2211)
         at 
app//org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.reservedWait(ReservedThreadExecutor.java:292)
         at 
app//org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:357)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:762)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:680)
         at java.base@11/java.lang.Thread.run(Thread.java:834)    3) 
Thread[id=56, name=ScheduledTrigger-7-thread-1, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
         at java.base@11/java.lang.Thread.run(Thread.java:834)    4) 
Thread[id=34, name=Scheduler-2100278198, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
         at java.base@11/java.lang.Thread.run(Thread.java:834)    5) 
Thread[id=51, name=zkConnectionManagerCallback-19-thread-1, state=WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)  
       at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
         at 
java.base@11/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
         at java.base@11/java.lang.Thread.run(Thread.java:834)    6) 
Thread[id=61, name=MetricsHistoryHandler-12-thread-1, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
         at java.base@11/java.lang.Thread.run(Thread.java:834)    7) 
Thread[id=71, 
name=TEST-TestLTROnSolrCloud.testSimpleQuery-seed#[8A7F2BF4972DAF4]-SendThread(127.0.0.1:33443),
 state=TIMED_WAITING, group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:105)
         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1000)
         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1063)    8) 
Thread[id=29, name=qtp784955449-29, state=RUNNABLE, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/sun.nio.ch.IOUtil.write1(Native Method)         at 
java.base@11/sun.nio.ch.EPollSelectorImpl.wakeup(EPollSelectorImpl.java:254)    
     at 
java.base@11/java.nio.channels.spi.AbstractSelector$1.interrupt(AbstractSelector.java:213)
         at 
java.base@11/java.nio.channels.spi.AbstractSelector.begin(AbstractSelector.java:219)
         at java.base@11/sun.nio.ch.SelectorImpl.begin(SelectorImpl.java:94)    
     at 
java.base@11/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:116)  
       at 
java.base@11/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)     
    at java.base@11/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:141)       
  at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:396)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:333)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produceTask(EatWhatYouKill.java:357)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:181)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
         at 
app//org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:762)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:680)
         at java.base@11/java.lang.Thread.run(Thread.java:834)    9) 
Thread[id=87, name=SolrRrdBackendFactory-11-thread-2, state=WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)  
       at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1177)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   10) 
Thread[id=46, name=zkConnectionManagerCallback-12-thread-1, state=WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)  
       at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
         at 
java.base@11/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   11) 
Thread[id=60, name=SolrRrdBackendFactory-11-thread-1, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   12) 
Thread[id=59, name=ScheduledTrigger-7-thread-4, state=WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)  
       at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1177)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   13) 
Thread[id=74, name=Scheduler-1937171119, state=TIMED_WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   14) 
Thread[id=62, name=Thread-10, state=WAITING, group=TGRP-TestLTROnSolrCloud]     
    at java.base@11/java.lang.Object.wait(Native Method)         at 
java.base@11/java.lang.Object.wait(Object.java:328)         at 
app//org.apache.solr.core.CloserThread.run(CoreContainer.java:1850)   15) 
Thread[id=58, name=ScheduledTrigger-7-thread-3, state=WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)  
       at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1177)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   16) 
Thread[id=44, name=jetty-launcher-1-thread-1-SendThread(127.0.0.1:33443), 
state=TIMED_WAITING, group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:105)
         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1000)
         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1063)   17) 
Thread[id=17, name=NIOServerCxn.Factory:0.0.0.0/0.0.0.0:0, state=RUNNABLE, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/sun.nio.ch.IOUtil.drain(Native Method)         at 
java.base@11/sun.nio.ch.EPollSelectorImpl.clearInterrupt(EPollSelectorImpl.java:266)
         at 
java.base@11/sun.nio.ch.EPollSelectorImpl.processEvents(EPollSelectorImpl.java:203)
         at 
java.base@11/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:137)  
       at 
java.base@11/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)     
    at java.base@11/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)       
  at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:196)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   18) 
Thread[id=49, name=jetty-launcher-1-thread-1-SendThread(127.0.0.1:33443), 
state=TIMED_WAITING, group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1054)   19) 
Thread[id=73, name=zkConnectionManagerCallback-29-thread-1, state=WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)  
       at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
         at 
java.base@11/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:433)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   20) 
Thread[id=57, name=ScheduledTrigger-7-thread-2, state=WAITING, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@11/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)  
       at 
java.base@11/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1177)
         at 
java.base@11/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
         at 
java.base@11/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
         at java.base@11/java.lang.Thread.run(Thread.java:834)   21) 
Thread[id=27, name=qtp784955449-27, state=RUNNABLE, 
group=TGRP-TestLTROnSolrCloud]         at 
java.base@11/sun.nio.ch.IOUtil.drain(Native Method)         at 
java.base@11/sun.nio.ch.EPollSelectorImpl.clearInterrupt(EPollSelectorImpl.java:266)
         at 
java.base@11/sun.nio.ch.EPollSelectorImpl.processEvents(EPollSelectorImpl.java:203)
         at 
java.base@11/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:137)  
       at 
java.base@11/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)     
    at java.base@11/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:141)       
  at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:396)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:333)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produceTask(EatWhatYouKill.java:357)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:181)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
         at 
app//org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
         at 
app//org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:762)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:680)
     

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

replica_n2] o.a.s.m.SolrMetricManager Closing metric reporters for 
registry=solr.collection.testSimple2.shard1.leader, tag=677fe644
   [junit4]   2> 192727 INFO  (coreCloseExecutor-118-thread-2) 
[n:127.0.0.1:46493_solr c:testSimple2 s:shard2 r:core_node8 
x:testSimple2_shard2_replica_n6] o.a.s.m.SolrMetricManager Closing metric 
reporters for registry=solr.collection.testSimple2.shard2.leader, tag=26dfe1bc
   [junit4]   2> 192730 INFO  (coreCloseExecutor-117-thread-1) 
[n:127.0.0.1:38631_solr c:testSimple3 s:shard2 r:core_node5 
x:testSimple3_shard2_replica_n2] o.a.s.m.SolrMetricManager Closing metric 
reporters for registry=solr.collection.testSimple3.shard2.leader, tag=261536ad
   [junit4]   2> 192730 INFO  (coreCloseExecutor-117-thread-3) 
[n:127.0.0.1:38631_solr c:testSimple3 s:shard1 r:core_node3 
x:testSimple3_shard1_replica_n1] o.a.s.m.SolrMetricManager Closing metric 
reporters for registry=solr.collection.testSimple3.shard1.leader, tag=43a15bb0
   [junit4]   2> 192738 INFO  (jetty-closer-45-thread-3) [    ] 
o.e.j.s.h.ContextHandler Stopped 
o.e.j.s.ServletContextHandler@7a7e629b{/solr,null,UNAVAILABLE}
   [junit4]   2> 192738 INFO  (jetty-closer-45-thread-3) [    ] o.e.j.s.session 
node0 Stopped scavenging
   [junit4]   2> 192742 INFO  (jetty-closer-45-thread-1) [    ] 
o.a.s.c.Overseer Overseer 
(id=72286172606627845-127.0.0.1:38631_solr-n_0000000000) closing
   [junit4]   2> 192742 INFO  
(OverseerStateUpdate-72286172606627845-127.0.0.1:38631_solr-n_0000000000) 
[n:127.0.0.1:38631_solr    ] o.a.s.c.Overseer Overseer Loop exiting : 
127.0.0.1:38631_solr
   [junit4]   2> 192743 DEBUG (jetty-closer-45-thread-1) [    ] 
o.a.s.c.a.ScheduledTriggers Shutting down scheduled thread pool executor now
   [junit4]   2> 192743 WARN  
(OverseerAutoScalingTriggerThread-72286172606627845-127.0.0.1:38631_solr-n_0000000000)
 [    ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread woken up but we 
are closed, exiting.
   [junit4]   2> 192743 DEBUG (jetty-closer-45-thread-1) [    ] 
o.a.s.c.a.ScheduledTriggers Shutting down action executor now
   [junit4]   2> 192743 DEBUG (jetty-closer-45-thread-1) [    ] 
o.a.s.c.a.ScheduledTriggers Awaiting termination for action executor
   [junit4]   2> 192743 DEBUG (jetty-closer-45-thread-1) [    ] 
o.a.s.c.a.ScheduledTriggers Awaiting termination for scheduled thread pool 
executor
   [junit4]   2> 192743 DEBUG (jetty-closer-45-thread-1) [    ] 
o.a.s.c.a.ScheduledTriggers ScheduledTriggers closed completely
   [junit4]   2> 192743 DEBUG (jetty-closer-45-thread-1) [    ] 
o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread has been closed explicitly
   [junit4]   2> 192745 INFO  (jetty-closer-45-thread-1) [    ] 
o.e.j.s.h.ContextHandler Stopped 
o.e.j.s.ServletContextHandler@2e6cfa91{/solr,null,UNAVAILABLE}
   [junit4]   2> 192745 INFO  (jetty-closer-45-thread-1) [    ] o.e.j.s.session 
node0 Stopped scavenging
   [junit4]   2> 192746 ERROR 
(SUITE-AutoAddReplicasIntegrationTest-seed#[2AE9BB1C955D5AEA]-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> 192746 INFO  
(SUITE-AutoAddReplicasIntegrationTest-seed#[2AE9BB1C955D5AEA]-worker) [    ] 
o.a.s.c.ZkTestServer connecting to 127.0.0.1:38197 38197
   [junit4]   2> 192860 INFO  (Thread-25) [    ] o.a.s.c.ZkTestServer 
connecting to 127.0.0.1:38197 38197
   [junit4]   2> 192861 WARN  (Thread-25) [    ] o.a.s.c.ZkTestServer Watch 
limit violations: 
   [junit4]   2> Maximum concurrent create/delete watches above limit:
   [junit4]   2> 
   [junit4]   2>        8       /solr/collections/testSimple1/terms/shard2
   [junit4]   2>        7       /solr/aliases.json
   [junit4]   2>        6       /solr/collections/testSimple2/terms/shard2
   [junit4]   2>        5       /solr/collections/testSimple2/terms/shard1
   [junit4]   2>        5       /solr/configs/conf
   [junit4]   2>        3       /solr/security.json
   [junit4]   2>        3       /solr/collections/testSimple1/terms/shard1
   [junit4]   2>        2       /solr/collections/testSimple3/terms/shard3
   [junit4]   2>        2       /solr/collections/testSimple3/terms/shard2
   [junit4]   2>        2       /solr/collections/testSimple3/terms/shard1
   [junit4]   2> 
   [junit4]   2> Maximum concurrent data watches above limit:
   [junit4]   2> 
   [junit4]   2>        7       /solr/clusterstate.json
   [junit4]   2>        7       /solr/clusterprops.json
   [junit4]   2>        6       /solr/collections/testSimple2/state.json
   [junit4]   2>        4       /solr/collections/testSimple3/state.json
   [junit4]   2>        2       /solr/collections/testSimple1/state.json
   [junit4]   2>        2       
/solr/overseer_elect/election/72286172606627845-127.0.0.1:38631_solr-n_0000000000
   [junit4]   2> 
   [junit4]   2> Maximum concurrent children watches above limit:
   [junit4]   2> 
   [junit4]   2>        7       /solr/live_nodes
   [junit4]   2>        7       /solr/collections
   [junit4]   2> 
   [junit4]   2> NOTE: leaving temporary files on disk at: 
/home/jenkins/workspace/Lucene-Solr-7.x-Linux/solr/build/solr-core/test/J2/temp/solr.cloud.autoscaling.AutoAddReplicasIntegrationTest_2AE9BB1C955D5AEA-001
   [junit4]   2> Sep 25, 2018 4:16:44 PM 
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): {}, 
docValues:{}, maxPointsInLeafNode=771, maxMBSortInHeap=5.459933969612708, 
sim=RandomSimilarity(queryNorm=true): {}, locale=el-GR, timezone=Africa/Conakry
   [junit4]   2> NOTE: Linux 4.15.0-32-generic amd64/Oracle Corporation 11 
(64-bit)/cpus=8,threads=1,free=372722400,total=518979584
   [junit4]   2> NOTE: All tests run in this JVM: 
[ScheduledTriggerIntegrationTest, AutoAddReplicasIntegrationTest]
   [junit4] Completed [23/25 (5!)] on J2 in 50.09s, 1 test, 1 error <<< 
FAILURES!
   [junit4] 
   [junit4] Suite: org.apache.solr.cloud.MultiThreadedOCPTest
   [junit4] OK      47.5s J2 | MultiThreadedOCPTest.test
   [junit4] Completed [24/25 (5!)] on J2 in 47.94s, 1 test
   [junit4] 
   [junit4] Suite: 
org.apache.solr.cloud.autoscaling.AutoAddReplicasIntegrationTest
   [junit4] OK      59.8s J2 | AutoAddReplicasIntegrationTest.testSimple
   [junit4] Completed [25/25 (5!)] on J2 in 90.80s, 1 test
   [junit4] 
   [junit4] JVM J2: stderr was not empty, see: 
/home/jenkins/workspace/Lucene-Solr-7.x-Linux/solr/build/solr-core/test/temp/junit4-J2-20180925_161331_1088592589760477399880.syserr
   [junit4] >>> JVM J2 emitted unexpected output (verbatim) ----
   [junit4] OpenJDK 64-Bit Server VM warning: Option UseConcMarkSweepGC was 
deprecated in version 9.0 and will likely be removed in a future release.
   [junit4] <<< JVM J2: EOF ----
   [junit4] 
   [junit4] Tests with failures [seed: 2AE9BB1C955D5AEA]:
   [junit4]   - 
org.apache.solr.handler.component.CustomHighlightComponentTest.test
   [junit4]   - 
org.apache.solr.update.processor.TimeRoutedAliasUpdateProcessorTest.testPreemptiveCreation
   [junit4]   - 
org.apache.solr.cloud.autoscaling.ScheduledTriggerIntegrationTest.testScheduledTrigger
   [junit4]   - 
org.apache.solr.update.processor.TimeRoutedAliasUpdateProcessorTest (suite)
   [junit4]   - 
org.apache.solr.update.processor.TimeRoutedAliasUpdateProcessorTest.testSliceRouting
   [junit4]   - 
org.apache.solr.cloud.autoscaling.AutoAddReplicasIntegrationTest.testSimple
   [junit4] 
   [junit4] 
   [junit4] JVM J0:     0.69 ..   181.98 =   181.30s
   [junit4] JVM J1:     0.70 ..   180.43 =   179.73s
   [junit4] JVM J2:     0.69 ..   332.82 =   332.12s
   [junit4] Execution time total: 5 minutes 32 seconds
   [junit4] Tests summary: 25 suites, 40 tests, 2 suite-level errors, 4 errors, 
1 failure, 23 ignored

BUILD FAILED
/home/jenkins/workspace/Lucene-Solr-7.x-Linux/lucene/common-build.xml:1567: The 
following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-7.x-Linux/lucene/common-build.xml:1092: 
There were test failures: 25 suites, 40 tests, 2 suite-level errors, 4 errors, 
1 failure, 23 ignored [seed: 2AE9BB1C955D5AEA]

Total time: 5 minutes 34 seconds

[repro] Setting last failure code to 256

[repro] Failures:
[repro]   0/5 failed: org.apache.solr.cloud.MultiThreadedOCPTest
[repro]   1/5 failed: 
org.apache.solr.cloud.autoscaling.AutoAddReplicasIntegrationTest
[repro]   1/5 failed: 
org.apache.solr.cloud.autoscaling.ScheduledTriggerIntegrationTest
[repro]   1/5 failed: 
org.apache.solr.handler.component.CustomHighlightComponentTest
[repro]   2/5 failed: 
org.apache.solr.update.processor.TimeRoutedAliasUpdateProcessorTest
[repro]   3/5 failed: org.apache.solr.ltr.TestLTROnSolrCloud
[repro] Exiting with code 256
+ mv lucene/build lucene/build.repro
+ mv solr/build solr/build.repro
+ mv lucene/build.orig lucene/build
+ mv solr/build.orig solr/build
Archiving artifacts
Setting 
ANT_1_8_2_HOME=/var/lib/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2
[WARNINGS] Parsing warnings in console log with parser Java Compiler (javac)
Setting 
ANT_1_8_2_HOME=/var/lib/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2
Setting 
ANT_1_8_2_HOME=/var/lib/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2
<Git Blamer> Using GitBlamer to create author and commit information for all 
warnings.
<Git Blamer> GIT_COMMIT=9daeb1b01969b2da33d2ff52ffb4a83f5250fad0, 
workspace=/var/lib/jenkins/workspace/Lucene-Solr-7.x-Linux
[WARNINGS] Computing warning deltas based on reference build #2805
Recording test results
Setting 
ANT_1_8_2_HOME=/var/lib/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2
Build step 'Publish JUnit test result report' changed build result to UNSTABLE
Email was triggered for: Unstable (Test Failures)
Sending email for trigger: Unstable (Test Failures)
Setting 
ANT_1_8_2_HOME=/var/lib/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2
Setting 
ANT_1_8_2_HOME=/var/lib/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2
Setting 
ANT_1_8_2_HOME=/var/lib/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2
Setting 
ANT_1_8_2_HOME=/var/lib/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2

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