[JENKINS] Lucene-Solr-master-Linux (64bit/jdk-9.0.1) - Build # 21043 - Still Unstable!

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Build: https://jenkins.thetaphi.de/job/Lucene-Solr-master-Linux/21043/
Java: 64bit/jdk-9.0.1 -XX:+UseCompressedOops -XX:+UseParallelGC

5 tests failed.
FAILED:  junit.framework.TestSuite.org.apache.solr.cloud.ForceLeaderTest

Error Message:
85 threads leaked from SUITE scope at org.apache.solr.cloud.ForceLeaderTest:    
 1) Thread[id=8774, name=qtp1798632905-8774, state=RUNNABLE, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         
at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)   
      at 
java.base@9.0.1/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)  
       at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)    2) 
Thread[id=8775, name=qtp1798632905-8775, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
app//org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)    3) 
Thread[id=9006, name=zkCallback-1806-thread-3, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)    4) 
Thread[id=8809, name=qtp2102183014-8809, state=RUNNABLE, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         
at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)   
      at 
java.base@9.0.1/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)  
       at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)    5) 
Thread[id=9012, name=zkCallback-1815-thread-5, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)    6) 
Thread[id=8983, name=Scheduler-552995486, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1131)
         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)    7) 
Thread[id=9005, name=ScheduledTrigger-3721-thread-4, state=WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)    8) 
Thread[id=8973, 
name=TEST-ForceLeaderTest.testLastPublishedStateIsActive-seed#[F220ABE1CE388A56]-SendThread(127.0.0.1:37455),
 state=TIMED_WAITING, group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)
         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:997)
         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1060)    9) 
Thread[id=8800, name=searcherExecutor-3673-thread-1, state=WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.1/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   10) 
Thread[id=8944, name=Thread-2174, state=WAITING, group=TGRP-ForceLeaderTest]    
     at java.base@9.0.1/java.lang.Object.wait(Native Method)         at 
java.base@9.0.1/java.lang.Object.wait(Object.java:516)         at 
app//org.apache.solr.core.CloserThread.run(CoreContainer.java:1723)   11) 
Thread[id=8787, name=zkConnectionManagerCallback-1767-thread-1, state=WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.1/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   12) 
Thread[id=8768, name=qtp1798632905-8768, state=RUNNABLE, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         
at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)   
      at 
java.base@9.0.1/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)  
       at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   13) 
Thread[id=8955, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   14) 
Thread[id=8802, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   15) 
Thread[id=8957, name=qtp943990452-8957, state=RUNNABLE, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         
at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)   
      at 
java.base@9.0.1/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)  
       at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   16) 
Thread[id=8770, name=qtp1798632905-8770, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
app//org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   17) 
Thread[id=8964, 
name=org.eclipse.jetty.server.session.HashSessionManager@3de6ab43Timer, 
state=TIMED_WAITING, group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1131)
         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   18) 
Thread[id=8820, 
name=TEST-ForceLeaderTest.testReplicasInLIRNoLeader-seed#[F220ABE1CE388A56]-SendThread(127.0.0.1:35695),
 state=TIMED_WAITING, group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)
         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:997)
         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1060)   19) 
Thread[id=8977, name=Thread-2183, state=WAITING, group=TGRP-ForceLeaderTest]    
     at java.base@9.0.1/java.lang.Object.wait(Native Method)         at 
java.base@9.0.1/java.lang.Object.wait(Object.java:516)         at 
app//org.apache.solr.core.CloserThread.run(CoreContainer.java:1723)   20) 
Thread[id=8785, 
name=TEST-ForceLeaderTest.testReplicasInLIRNoLeader-seed#[F220ABE1CE388A56]-SendThread(127.0.0.1:35695),
 state=TIMED_WAITING, group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)
         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:997)
         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1060)   21) 
Thread[id=8821, 
name=TEST-ForceLeaderTest.testReplicasInLIRNoLeader-seed#[F220ABE1CE388A56]-EventThread,
 state=WAITING, group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.1/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:501)   22) 
Thread[id=8781, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   23) 
Thread[id=8935, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   24) 
Thread[id=8940, 
name=TEST-ForceLeaderTest.testLastPublishedStateIsActive-seed#[F220ABE1CE388A56]-SendThread(127.0.0.1:37455),
 state=TIMED_WAITING, group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)
         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:997)
         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1060)   25) 
Thread[id=8929, name=qtp1230338022-8929, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
app//org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   26) 
Thread[id=8975, name=zkConnectionManagerCallback-1816-thread-1, state=WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.1/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   27) 
Thread[id=9003, name=ScheduledTrigger-3721-thread-2, state=WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   28) 
Thread[id=8811, 
name=org.eclipse.jetty.server.session.HashSessionManager@7130ac56Timer, 
state=TIMED_WAITING, group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1131)
         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   29) 
Thread[id=8958, name=qtp943990452-8958, state=RUNNABLE, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         
at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)   
      at 
java.base@9.0.1/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)  
       at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:100)
         at 
app//org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:147)         
at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   30) 
Thread[id=8968, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   31) 
Thread[id=8806, name=qtp2102183014-8806, state=RUNNABLE, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         
at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)   
      at 
java.base@9.0.1/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)  
       at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:100)
         at 
app//org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:147)         
at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   32) 
Thread[id=8950, name=Scheduler-252710820, state=WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1119)
         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   33) 
Thread[id=8786, 
name=TEST-ForceLeaderTest.testReplicasInLIRNoLeader-seed#[F220ABE1CE388A56]-EventThread,
 state=WAITING, group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.1/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:501)   34) 
Thread[id=8963, name=qtp943990452-8963, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
app//org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   35) 
Thread[id=8794, name=Scheduler-257125175, state=WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1119)
         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   36) 
Thread[id=9004, name=ScheduledTrigger-3721-thread-3, state=WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   37) 
Thread[id=8924, name=qtp1230338022-8924, state=RUNNABLE, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         
at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)   
      at 
java.base@9.0.1/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)  
       at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   38) 
Thread[id=9008, name=zkCallback-1806-thread-5, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   39) 
Thread[id=9001, 
name=OverseerAutoScalingTriggerThread-99128453891293193-127.0.0.1:39803_-n_0000000001,
 state=WAITING, group=Overseer autoscaling triggers]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
app//org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:166)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   40) 
Thread[id=8824, name=Thread-2152, state=WAITING, group=TGRP-ForceLeaderTest]    
     at java.base@9.0.1/java.lang.Object.wait(Native Method)         at 
java.base@9.0.1/java.lang.Object.wait(Object.java:516)         at 
app//org.apache.solr.core.CloserThread.run(CoreContainer.java:1723)   41) 
Thread[id=8953, name=searcherExecutor-3707-thread-1, state=WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.1/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   42) 
Thread[id=8776, 
name=org.eclipse.jetty.server.session.HashSessionManager@d7a552cTimer, 
state=TIMED_WAITING, group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1131)
         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   43) 
Thread[id=8999, 
name=OverseerCollectionConfigSetProcessor-99128453891293193-127.0.0.1:39803_-n_0000000001,
 state=TIMED_WAITING, group=Overseer collection creation process.]         at 
java.base@9.0.1/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:111)
         at 
app//org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:70)
         at 
app//org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:339)   
      at 
app//org.apache.solr.cloud.OverseerTaskProcessor.amILeader(OverseerTaskProcessor.java:387)
         at 
app//org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:193)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   44) 
Thread[id=8789, name=Thread-2143, state=WAITING, group=TGRP-ForceLeaderTest]    
     at java.base@9.0.1/java.lang.Object.wait(Native Method)         at 
java.base@9.0.1/java.lang.Object.wait(Object.java:516)         at 
app//org.apache.solr.core.CloserThread.run(CoreContainer.java:1723)   45) 
Thread[id=8822, name=zkConnectionManagerCallback-1776-thread-1, state=WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.1/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   46) 
Thread[id=8927, 
name=qtp1230338022-8927-acceptor-0@3d8ae439-ServerConnector@6130ba6a{HTTP/1.1,[http/1.1]}{127.0.0.1:46739},
 state=RUNNABLE, group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)       
  at 
java.base@9.0.1/sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:424)
         at 
java.base@9.0.1/sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:252)
         at 
app//org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:371)  
       at 
app//org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:601)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   47) 
Thread[id=8930, name=qtp1230338022-8930, state=RUNNABLE, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         
at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)   
      at 
java.base@9.0.1/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)  
       at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   48) 
Thread[id=8956, name=qtp943990452-8956, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
app//org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   49) 
Thread[id=8985, name=zkCallback-1815-thread-2, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   50) 
Thread[id=9010, name=zkCallback-1815-thread-3, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   51) 
Thread[id=8816, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   52) 
Thread[id=9000, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   53) 
Thread[id=9009, name=zkCallback-1806-thread-6, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   54) 
Thread[id=9002, name=ScheduledTrigger-3721-thread-1, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1131)
         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   55) 
Thread[id=8773, name=qtp1798632905-8773, state=RUNNABLE, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         
at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)   
      at 
java.base@9.0.1/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)  
       at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   56) 
Thread[id=8931, 
name=org.eclipse.jetty.server.session.HashSessionManager@7aaefbd3Timer, 
state=TIMED_WAITING, group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1131)
         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   57) 
Thread[id=8974, 
name=TEST-ForceLeaderTest.testLastPublishedStateIsActive-seed#[F220ABE1CE388A56]-EventThread,
 state=WAITING, group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.1/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:501)   58) 
Thread[id=8808, name=qtp2102183014-8808, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
app//org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   59) 
Thread[id=8986, name=zkCallback-1806-thread-2, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   60) 
Thread[id=8807, 
name=qtp2102183014-8807-acceptor-0@5f8a21c3-ServerConnector@39bdcd18{HTTP/1.1,[http/1.1]}{127.0.0.1:39407},
 state=RUNNABLE, group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)       
  at 
java.base@9.0.1/sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:424)
         at 
java.base@9.0.1/sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:252)
         at 
app//org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:371)  
       at 
app//org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:601)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   61) 
Thread[id=8771, name=qtp1798632905-8771, state=RUNNABLE, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         
at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)   
      at 
java.base@9.0.1/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)  
       at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:100)
         at 
app//org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:147)         
at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   62) 
Thread[id=8969, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   63) 
Thread[id=8810, name=qtp2102183014-8810, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.solr.cloud.ZkController.waitForCoreNodeName(ZkController.java:1545)
         at 
app//org.apache.solr.cloud.ZkController.doGetShardIdAndNodeNameProcess(ZkController.java:1512)
         at 
app//org.apache.solr.cloud.ZkController.preRegister(ZkController.java:1622)     
    at 
app//org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1034)
         at 
app//org.apache.solr.core.CoreContainer.create(CoreContainer.java:952)         
at 
app//org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:91)
         at 
app//org.apache.solr.handler.admin.CoreAdminOperation$$Lambda$200/1963104969.execute(Unknown
 Source)         at 
app//org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:384)
         at 
app//org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:389)
         at 
app//org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:174)
         at 
app//org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:177)
         at 
app//org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:735)    
     at 
app//org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:716)
         at 
app//org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:497)         
at 
app//org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:382)
         at 
app//org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:326)
         at 
app//org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759)
         at 
app//org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:139)
         at 
app//org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759)
         at 
app//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:582) 
        at 
app//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:224)
         at 
app//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
         at 
app//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512)  
       at 
app//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
         at 
app//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
         at 
app//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
         at 
app//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:426)
         at 
app//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
         at app//org.eclipse.jetty.server.Server.handle(Server.java:534)        
 at app//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)      
   at 
app//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
         at 
app//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283)
         at 
app//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108)         
at 
app//org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   64) 
Thread[id=8936, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   65) 
Thread[id=8960, 
name=qtp943990452-8960-acceptor-0@695aca5a-ServerConnector@505896ba{HTTP/1.1,[http/1.1]}{127.0.0.1:39219},
 state=RUNNABLE, group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)       
  at 
java.base@9.0.1/sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:424)
         at 
java.base@9.0.1/sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:252)
         at 
app//org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:371)  
       at 
app//org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:601)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   66) 
Thread[id=8962, name=qtp943990452-8962, state=RUNNABLE, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         
at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)   
      at 
java.base@9.0.1/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)  
       at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   67) 
Thread[id=8942, name=zkConnectionManagerCallback-1807-thread-1, state=WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.1/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   68) 
Thread[id=8925, name=qtp1230338022-8925, state=RUNNABLE, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         
at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)   
      at 
java.base@9.0.1/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)  
       at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:100)
         at 
app//org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:147)         
at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   69) 
Thread[id=8928, name=qtp1230338022-8928, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
app//org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
         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:626)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   70) 
Thread[id=9007, name=zkCallback-1806-thread-4, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   71) 
Thread[id=8998, 
name=OverseerStateUpdate-99128453891293193-127.0.0.1:39803_-n_0000000001, 
state=TIMED_WAITING, group=Overseer state updater.]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
app//org.apache.solr.cloud.ZkDistributedQueue.peekElements(ZkDistributedQueue.java:463)
         at 
app//org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:203)  
       at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   72) 
Thread[id=9011, name=zkCallback-1815-thread-4, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   73) 
Thread[id=8803, name=qtp2102183014-8803, state=RUNNABLE, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         
at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)   
      at 
java.base@9.0.1/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)  
       at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   74) 
Thread[id=8923, name=qtp1230338022-8923, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
app//org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
         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:626)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   75) 
Thread[id=8961, name=qtp943990452-8961, state=WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/java.lang.Object.wait(Native Method)         at 
java.base@9.0.1/java.lang.Object.wait(Object.java:516)         at 
app//org.apache.solr.core.SolrCores.waitAddPendingCoreOps(SolrCores.java:397)   
      at app//org.apache.solr.core.CoreContainer.create(CoreContainer.java:951) 
        at 
app//org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:91)
         at 
app//org.apache.solr.handler.admin.CoreAdminOperation$$Lambda$200/1963104969.execute(Unknown
 Source)         at 
app//org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:384)
         at 
app//org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:389)
         at 
app//org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:174)
         at 
app//org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:177)
         at 
app//org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:735)    
     at 
app//org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:716)
         at 
app//org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:497)         
at 
app//org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:382)
         at 
app//org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:326)
         at 
app//org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759)
         at 
app//org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:139)
         at 
app//org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759)
         at 
app//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:582) 
        at 
app//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:224)
         at 
app//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
         at 
app//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512)  
       at 
app//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
         at 
app//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
         at 
app//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
         at 
app//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:426)
         at 
app//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
         at app//org.eclipse.jetty.server.Server.handle(Server.java:534)        
 at app//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)      
   at 
app//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
         at 
app//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283)
         at 
app//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108)         
at 
app//org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   76) 
Thread[id=8780, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   77) 
Thread[id=8926, name=qtp1230338022-8926, state=RUNNABLE, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         
at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)   
      at 
java.base@9.0.1/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)  
       at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:100)
         at 
app//org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:147)         
at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   78) 
Thread[id=8941, 
name=TEST-ForceLeaderTest.testLastPublishedStateIsActive-seed#[F220ABE1CE388A56]-EventThread,
 state=WAITING, group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.1/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:501)   79) 
Thread[id=8769, name=qtp1798632905-8769, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
app//org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   80) 
Thread[id=8842, name=qtp2102183014-8842, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
app//org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   81) 
Thread[id=8829, name=Scheduler-946529938, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1131)
         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   82) 
Thread[id=8815, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   83) 
Thread[id=8843, name=qtp2102183014-8843, state=RUNNABLE, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         
at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)   
      at 
java.base@9.0.1/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)  
       at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   84) 
Thread[id=8959, name=qtp943990452-8959, state=RUNNABLE, 
group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         
at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)   
      at 
java.base@9.0.1/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)  
       at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:100)
         at 
app//org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:147)         
at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)   85) 
Thread[id=8772, 
name=qtp1798632905-8772-acceptor-0@41b4189e-ServerConnector@8b1478c{HTTP/1.1,[http/1.1]}{127.0.0.1:42039},
 state=RUNNABLE, group=TGRP-ForceLeaderTest]         at 
java.base@9.0.1/sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)       
  at 
java.base@9.0.1/sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:424)
         at 
java.base@9.0.1/sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:252)
         at 
app//org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:371)  
       at 
app//org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:601)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 85 threads leaked from 
SUITE scope at org.apache.solr.cloud.ForceLeaderTest: 
   1) Thread[id=8774, name=qtp1798632905-8774, state=RUNNABLE, 
group=TGRP-ForceLeaderTest]
        at java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)
        at 
java.base@9.0.1/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
        at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
        at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)
   2) Thread[id=8775, name=qtp1798632905-8775, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]
        at java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
        at 
app//org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)
   3) Thread[id=9006, name=zkCallback-1806-thread-3, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]
        at java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)
   4) Thread[id=8809, name=qtp2102183014-8809, state=RUNNABLE, 
group=TGRP-ForceLeaderTest]
        at java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)
        at 
java.base@9.0.1/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
        at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
        at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)
   5) Thread[id=9012, name=zkCallback-1815-thread-5, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]
        at java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)
   6) Thread[id=8983, name=Scheduler-552995486, state=TIMED_WAITING, 
group=TGRP-ForceLeaderTest]
        at java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
        at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1131)
        at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
        at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.1/java.lang.Thread.run(Thread.java:844)
   7) Thread[id=9005, name=ScheduledTrigger-3721-thread-4, state=WAITING, 
group=TGRP-ForceLeaderTest]
        at java.base@9.0.1/jdk.internal.misc.Unsafe.par

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

a.base@9.0.1/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
   [junit4]    >         at 
java.base@9.0.1/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
   [junit4]    >         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
   [junit4]    >         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
   [junit4]    >         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
   [junit4]    >         at 
java.base@9.0.1/java.lang.Thread.run(Thread.java:844)
   [junit4]    >   47) Thread[id=8803, name=qtp2102183014-8803, state=RUNNABLE, 
group=TGRP-ForceLeaderTest]
   [junit4]    >         at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.interrupt(Native Method)
   [junit4]    >         at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.interrupt(EPollArrayWrapper.java:313)
   [junit4]    >         at 
java.base@9.0.1/sun.nio.ch.EPollSelectorImpl.wakeup(EPollSelectorImpl.java:206)
   [junit4]    >         at 
java.base@9.0.1/java.nio.channels.spi.AbstractSelector$1.interrupt(AbstractSelector.java:213)
   [junit4]    >         at 
java.base@9.0.1/java.nio.channels.spi.AbstractSelector.begin(AbstractSelector.java:219)
   [junit4]    >         at 
java.base@9.0.1/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:91)
   [junit4]    >         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
   [junit4]    >         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
   [junit4]    >         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
   [junit4]    >         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
   [junit4]    >         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
   [junit4]    >         at 
java.base@9.0.1/java.lang.Thread.run(Thread.java:844)
   [junit4]    >   48) Thread[id=8926, name=qtp1230338022-8926, state=RUNNABLE, 
group=TGRP-ForceLeaderTest]
   [junit4]    >         at java.base@9.0.1/sun.nio.ch.IOUtil.drain(Native 
Method)
   [junit4]    >         at 
java.base@9.0.1/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:103)
   [junit4]    >         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
   [junit4]    >         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
   [junit4]    >         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
   [junit4]    >         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
   [junit4]    >         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:100)
   [junit4]    >         at 
app//org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:147)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
   [junit4]    >         at 
java.base@9.0.1/java.lang.Thread.run(Thread.java:844)
   [junit4]    >   49) Thread[id=8829, name=Scheduler-946529938, state=WAITING, 
group=TGRP-ForceLeaderTest]
   [junit4]    >         at 
java.base@9.0.1/jdk.internal.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
java.base@9.0.1/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
   [junit4]    >         at 
java.base@9.0.1/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
   [junit4]    >         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1119)
   [junit4]    >         at 
java.base@9.0.1/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
   [junit4]    >         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
   [junit4]    >         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
   [junit4]    >         at 
java.base@9.0.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
   [junit4]    >         at 
java.base@9.0.1/java.lang.Thread.run(Thread.java:844)
   [junit4]    >   50) Thread[id=8843, name=qtp2102183014-8843, state=RUNNABLE, 
group=TGRP-ForceLeaderTest]
   [junit4]    >         at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.interrupt(Native Method)
   [junit4]    >         at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.interrupt(EPollArrayWrapper.java:313)
   [junit4]    >         at 
java.base@9.0.1/sun.nio.ch.EPollSelectorImpl.wakeup(EPollSelectorImpl.java:206)
   [junit4]    >         at 
java.base@9.0.1/java.nio.channels.spi.AbstractSelector$1.interrupt(AbstractSelector.java:213)
   [junit4]    >         at 
java.base@9.0.1/java.nio.channels.spi.AbstractSelector.begin(AbstractSelector.java:219)
   [junit4]    >         at 
java.base@9.0.1/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:91)
   [junit4]    >         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
   [junit4]    >         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
   [junit4]    >         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
   [junit4]    >         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
   [junit4]    >         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
   [junit4]    >         at 
java.base@9.0.1/java.lang.Thread.run(Thread.java:844)
   [junit4]    >   51) Thread[id=8959, name=qtp943990452-8959, state=RUNNABLE, 
group=TGRP-ForceLeaderTest]
   [junit4]    >         at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.interrupt(Native Method)
   [junit4]    >         at 
java.base@9.0.1/sun.nio.ch.EPollArrayWrapper.interrupt(EPollArrayWrapper.java:313)
   [junit4]    >         at 
java.base@9.0.1/sun.nio.ch.EPollSelectorImpl.wakeup(EPollSelectorImpl.java:206)
   [junit4]    >         at 
java.base@9.0.1/java.nio.channels.spi.AbstractSelector$1.interrupt(AbstractSelector.java:213)
   [junit4]    >         at 
java.base@9.0.1/java.nio.channels.spi.AbstractSelector.begin(AbstractSelector.java:219)
   [junit4]    >         at 
java.base@9.0.1/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:91)
   [junit4]    >         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
   [junit4]    >         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
   [junit4]    >         at 
java.base@9.0.1/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
   [junit4]    >         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
   [junit4]    >         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:100)
   [junit4]    >         at 
app//org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:147)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
   [junit4]    >         at 
java.base@9.0.1/java.lang.Thread.run(Thread.java:844)
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([F220ABE1CE388A56]:0)
   [junit4] Completed [323/752 (2!)] on J0 in 245.39s, 3 tests, 4 errors, 1 
skipped <<< FAILURES!

[...truncated 41488 lines...]

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