Build: https://jenkins.thetaphi.de/job/Lucene-Solr-master-Linux/21301/
Java: 64bit/jdk-9.0.1 -XX:+UseCompressedOops -XX:+UseSerialGC

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

Error Message:
SolrCore.getOpenCount()==2

Stack Trace:
java.lang.RuntimeException: SolrCore.getOpenCount()==2
        at __randomizedtesting.SeedInfo.seed([DA39162667800404]:0)
        at org.apache.solr.util.TestHarness.close(TestHarness.java:379)
        at org.apache.solr.SolrTestCaseJ4.deleteCore(SolrTestCaseJ4.java:792)
        at 
org.apache.solr.cloud.AbstractZkTestCase.azt_afterClass(AbstractZkTestCase.java:147)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:564)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1737)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:897)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at java.base/java.lang.Thread.run(Thread.java:844)


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

Error Message:
SolrCore.getOpenCount()==2

Stack Trace:
java.lang.RuntimeException: SolrCore.getOpenCount()==2
        at __randomizedtesting.SeedInfo.seed([DA39162667800404]:0)
        at org.apache.solr.util.TestHarness.close(TestHarness.java:379)
        at org.apache.solr.SolrTestCaseJ4.deleteCore(SolrTestCaseJ4.java:792)
        at 
org.apache.solr.SolrTestCaseJ4.teardownTestCases(SolrTestCaseJ4.java:288)
        at jdk.internal.reflect.GeneratedMethodAccessor48.invoke(Unknown Source)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:564)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1737)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:897)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at java.base/java.lang.Thread.run(Thread.java:844)


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

Error Message:
26 threads leaked from SUITE scope at org.apache.solr.cloud.BasicZkTest:     1) 
Thread[id=11642, name=ScheduledTrigger-4370-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1131)
         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)    2) 
Thread[id=11635, 
name=SUITE-BasicZkTest-seed#[DA39162667800404]-worker-EventThread, 
state=WAITING, group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:501)    3) 
Thread[id=11651, name=zkCallback-2456-thread-2, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)    4) 
Thread[id=11637, 
name=OverseerStateUpdate-99379519972638723-88.99.242.108:8983_-n_0000000000, 
state=TIMED_WAITING, group=Overseer state updater.]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
app//org.apache.solr.cloud.ZkDistributedQueue.peekElements(ZkDistributedQueue.java:463)
         at 
app//org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:205)  
       at [email protected]/java.lang.Thread.run(Thread.java:844)    5) 
Thread[id=11652, name=zkCallback-2456-thread-3, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)    6) 
Thread[id=11658, name=SessionTracker, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at [email protected]/java.lang.Object.wait(Native 
Method)         at 
app//org.apache.zookeeper.server.SessionTrackerImpl.run(SessionTrackerImpl.java:146)
    7) Thread[id=11640, 
name=OverseerAutoScalingTriggerThread-99379519972638723-88.99.242.108:8983_-n_0000000000,
 state=WAITING, group=Overseer autoscaling triggers]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
app//org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:166)
         at [email protected]/java.lang.Thread.run(Thread.java:844)    8) 
Thread[id=11653, name=zkCallback-2456-thread-4, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)    9) 
Thread[id=11657, name=NIOServerCxn.Factory:0.0.0.0/0.0.0.0:33777, 
state=RUNNABLE, group=TGRP-BasicZkTest]         at 
[email protected]/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         
at 
[email protected]/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)   
      at 
[email protected]/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
         at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:173)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   10) 
Thread[id=11634, 
name=SUITE-BasicZkTest-seed#[DA39162667800404]-worker-SendThread(127.0.0.1:33777),
 state=RUNNABLE, group=TGRP-BasicZkTest]         at 
[email protected]/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         
at 
[email protected]/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)   
      at 
[email protected]/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
         at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at 
app//org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1141)   11) 
Thread[id=11647, name=ScheduledTrigger-4370-thread-3, state=WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   12) 
Thread[id=11650, name=coreZkRegister-4365-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   13) 
Thread[id=11655, name=ScheduledTrigger-4370-thread-4, state=WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   14) 
Thread[id=11643, name=ScheduledTrigger-4370-thread-2, state=WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   15) 
Thread[id=11641, name=zkCallback-2456-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   16) 
Thread[id=11654, name=zkCallback-2456-thread-5, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   17) 
Thread[id=11646, name=watches-2458-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   18) 
Thread[id=11630, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   19) 
Thread[id=11660, name=ProcessThread(sid:0 cport:33777):, state=WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
app//org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:122)
   20) Thread[id=11636, name=zkConnectionManagerCallback-2457-thread-1, 
state=WAITING, group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   21) 
Thread[id=11638, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   22) 
Thread[id=11639, 
name=OverseerCollectionConfigSetProcessor-99379519972638723-88.99.242.108:8983_-n_0000000000,
 state=TIMED_WAITING, group=Overseer collection creation process.]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
app//org.apache.solr.cloud.ZkDistributedQueue.peekElements(ZkDistributedQueue.java:463)
         at 
app//org.apache.solr.cloud.OverseerTaskQueue.peekTopN(OverseerTaskQueue.java:235)
         at 
app//org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:228)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   23) 
Thread[id=11645, name=Thread-3407, state=WAITING, group=TGRP-BasicZkTest]       
  at [email protected]/java.lang.Object.wait(Native Method)         at 
[email protected]/java.lang.Object.wait(Object.java:516)         at 
app//org.apache.solr.core.CloserThread.run(CoreContainer.java:1728)   24) 
Thread[id=11656, name=Thread-3408, state=WAITING, group=TGRP-BasicZkTest]       
  at [email protected]/java.lang.Object.wait(Native Method)         at 
[email protected]/java.lang.Thread.join(Thread.java:1353)         at 
[email protected]/java.lang.Thread.join(Thread.java:1427)         at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory.join(NIOServerCnxnFactory.java:297)
         at 
app//org.apache.solr.cloud.ZkTestServer$ZKServerMain.runFromConfig(ZkTestServer.java:310)
         at 
app//org.apache.solr.cloud.ZkTestServer$2.run(ZkTestServer.java:491)   25) 
Thread[id=11629, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   26) 
Thread[id=11649, name=searcherExecutor-4375-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 26 threads leaked from 
SUITE scope at org.apache.solr.cloud.BasicZkTest: 
   1) Thread[id=11642, name=ScheduledTrigger-4370-thread-1, 
state=TIMED_WAITING, group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1131)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   2) Thread[id=11635, 
name=SUITE-BasicZkTest-seed#[DA39162667800404]-worker-EventThread, 
state=WAITING, group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
        at 
app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:501)
   3) Thread[id=11651, name=zkCallback-2456-thread-2, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   4) Thread[id=11637, 
name=OverseerStateUpdate-99379519972638723-88.99.242.108:8983_-n_0000000000, 
state=TIMED_WAITING, group=Overseer state updater.]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
        at 
app//org.apache.solr.cloud.ZkDistributedQueue.peekElements(ZkDistributedQueue.java:463)
        at 
app//org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:205)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   5) Thread[id=11652, name=zkCallback-2456-thread-3, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   6) Thread[id=11658, name=SessionTracker, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/java.lang.Object.wait(Native Method)
        at 
app//org.apache.zookeeper.server.SessionTrackerImpl.run(SessionTrackerImpl.java:146)
   7) Thread[id=11640, 
name=OverseerAutoScalingTriggerThread-99379519972638723-88.99.242.108:8983_-n_0000000000,
 state=WAITING, group=Overseer autoscaling triggers]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
app//org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:166)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   8) Thread[id=11653, name=zkCallback-2456-thread-4, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   9) Thread[id=11657, name=NIOServerCxn.Factory:0.0.0.0/0.0.0.0:33777, 
state=RUNNABLE, group=TGRP-BasicZkTest]
        at [email protected]/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at 
[email protected]/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)
        at 
[email protected]/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:173)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  10) Thread[id=11634, 
name=SUITE-BasicZkTest-seed#[DA39162667800404]-worker-SendThread(127.0.0.1:33777),
 state=RUNNABLE, group=TGRP-BasicZkTest]
        at [email protected]/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at 
[email protected]/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)
        at 
[email protected]/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at 
app//org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
        at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1141)
  11) Thread[id=11647, name=ScheduledTrigger-4370-thread-3, state=WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  12) Thread[id=11650, name=coreZkRegister-4365-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  13) Thread[id=11655, name=ScheduledTrigger-4370-thread-4, state=WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  14) Thread[id=11643, name=ScheduledTrigger-4370-thread-2, state=WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  15) Thread[id=11641, name=zkCallback-2456-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  16) Thread[id=11654, name=zkCallback-2456-thread-5, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  17) Thread[id=11646, name=watches-2458-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  18) Thread[id=11630, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  19) Thread[id=11660, name=ProcessThread(sid:0 cport:33777):, state=WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
        at 
app//org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:122)
  20) Thread[id=11636, name=zkConnectionManagerCallback-2457-thread-1, 
state=WAITING, group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  21) Thread[id=11638, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  22) Thread[id=11639, 
name=OverseerCollectionConfigSetProcessor-99379519972638723-88.99.242.108:8983_-n_0000000000,
 state=TIMED_WAITING, group=Overseer collection creation process.]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
        at 
app//org.apache.solr.cloud.ZkDistributedQueue.peekElements(ZkDistributedQueue.java:463)
        at 
app//org.apache.solr.cloud.OverseerTaskQueue.peekTopN(OverseerTaskQueue.java:235)
        at 
app//org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:228)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  23) Thread[id=11645, name=Thread-3407, state=WAITING, group=TGRP-BasicZkTest]
        at [email protected]/java.lang.Object.wait(Native Method)
        at [email protected]/java.lang.Object.wait(Object.java:516)
        at app//org.apache.solr.core.CloserThread.run(CoreContainer.java:1728)
  24) Thread[id=11656, name=Thread-3408, state=WAITING, group=TGRP-BasicZkTest]
        at [email protected]/java.lang.Object.wait(Native Method)
        at [email protected]/java.lang.Thread.join(Thread.java:1353)
        at [email protected]/java.lang.Thread.join(Thread.java:1427)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory.join(NIOServerCnxnFactory.java:297)
        at 
app//org.apache.solr.cloud.ZkTestServer$ZKServerMain.runFromConfig(ZkTestServer.java:310)
        at app//org.apache.solr.cloud.ZkTestServer$2.run(ZkTestServer.java:491)
  25) Thread[id=11629, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  26) Thread[id=11649, name=searcherExecutor-4375-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
        at __randomizedtesting.SeedInfo.seed([DA39162667800404]:0)


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

Error Message:
There are still zombie threads that couldn't be terminated:    1) 
Thread[id=11642, name=ScheduledTrigger-4370-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)    2) 
Thread[id=11653, name=zkCallback-2456-thread-4, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)    3) 
Thread[id=11634, 
name=SUITE-BasicZkTest-seed#[DA39162667800404]-worker-SendThread(127.0.0.1:33777),
 state=TIMED_WAITING, group=TGRP-BasicZkTest]         at 
[email protected]/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)
         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:997)
         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1060)    4) 
Thread[id=11647, name=ScheduledTrigger-4370-thread-3, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1131)
         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)    5) 
Thread[id=11651, name=zkCallback-2456-thread-2, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)    6) 
Thread[id=11650, name=coreZkRegister-4365-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)    7) 
Thread[id=11655, name=ScheduledTrigger-4370-thread-4, state=WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)    8) 
Thread[id=11643, name=ScheduledTrigger-4370-thread-2, state=WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)    9) 
Thread[id=11641, name=zkCallback-2456-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   10) 
Thread[id=11654, name=zkCallback-2456-thread-5, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   11) 
Thread[id=11646, name=watches-2458-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   12) 
Thread[id=11636, name=zkConnectionManagerCallback-2457-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   13) 
Thread[id=11652, name=zkCallback-2456-thread-3, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   14) 
Thread[id=11645, name=Thread-3407, state=WAITING, group=TGRP-BasicZkTest]       
  at [email protected]/java.lang.Object.wait(Native Method)         at 
[email protected]/java.lang.Object.wait(Object.java:516)         at 
app//org.apache.solr.core.CloserThread.run(CoreContainer.java:1728)   15) 
Thread[id=11649, name=searcherExecutor-4375-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: There are still zombie 
threads that couldn't be terminated:
   1) Thread[id=11642, name=ScheduledTrigger-4370-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   2) Thread[id=11653, name=zkCallback-2456-thread-4, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   3) Thread[id=11634, 
name=SUITE-BasicZkTest-seed#[DA39162667800404]-worker-SendThread(127.0.0.1:33777),
 state=TIMED_WAITING, group=TGRP-BasicZkTest]
        at [email protected]/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)
        at 
app//org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:997)
        at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1060)
   4) Thread[id=11647, name=ScheduledTrigger-4370-thread-3, 
state=TIMED_WAITING, group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1131)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   5) Thread[id=11651, name=zkCallback-2456-thread-2, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   6) Thread[id=11650, name=coreZkRegister-4365-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   7) Thread[id=11655, name=ScheduledTrigger-4370-thread-4, state=WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   8) Thread[id=11643, name=ScheduledTrigger-4370-thread-2, state=WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   9) Thread[id=11641, name=zkCallback-2456-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  10) Thread[id=11654, name=zkCallback-2456-thread-5, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  11) Thread[id=11646, name=watches-2458-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  12) Thread[id=11636, name=zkConnectionManagerCallback-2457-thread-1, 
state=WAITING, group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  13) Thread[id=11652, name=zkCallback-2456-thread-3, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  14) Thread[id=11645, name=Thread-3407, state=WAITING, group=TGRP-BasicZkTest]
        at [email protected]/java.lang.Object.wait(Native Method)
        at [email protected]/java.lang.Object.wait(Object.java:516)
        at app//org.apache.solr.core.CloserThread.run(CoreContainer.java:1728)
  15) Thread[id=11649, name=searcherExecutor-4375-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
        at __randomizedtesting.SeedInfo.seed([DA39162667800404]:0)




Build Log:
[...truncated 12457 lines...]
   [junit4] Suite: org.apache.solr.cloud.BasicZkTest
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SecureRandom sanity checks: test.solr.allowed.securerandom=null & 
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   [junit4]   2> Creating dataDir: 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/solr-core/test/J1/temp/solr.cloud.BasicZkTest_DA39162667800404-001/init-core-data-001
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Randomized ssl (true) and clientAuth (false) via: 
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[[collection1] ] Opening new SolrCore at 
[/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/core/src/test-files/solr/collection1],
 
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maxMergeSizeForForcedMerge=9223372036854775807, calibrateSizeByDeletes=true, 
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maxMergeSizeForForcedMerge=9223372036854775807, calibrateSizeByDeletes=false, 
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[...truncated too long message...]

current.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
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state=WAITING, group=TGRP-BasicZkTest]
   [junit4]    >         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
   [junit4]    >         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
   [junit4]    >         at 
[email protected]/java.lang.Thread.run(Thread.java:844)
   [junit4]    >    8) Thread[id=11643, name=ScheduledTrigger-4370-thread-2, 
state=WAITING, group=TGRP-BasicZkTest]
   [junit4]    >         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
   [junit4]    >         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
   [junit4]    >         at 
[email protected]/java.lang.Thread.run(Thread.java:844)
   [junit4]    >    9) Thread[id=11641, name=zkCallback-2456-thread-1, 
state=TIMED_WAITING, group=TGRP-BasicZkTest]
   [junit4]    >         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
   [junit4]    >         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
   [junit4]    >         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
   [junit4]    >         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
   [junit4]    >         at 
[email protected]/java.lang.Thread.run(Thread.java:844)
   [junit4]    >   10) Thread[id=11654, name=zkCallback-2456-thread-5, 
state=TIMED_WAITING, group=TGRP-BasicZkTest]
   [junit4]    >         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
   [junit4]    >         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
   [junit4]    >         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
   [junit4]    >         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
   [junit4]    >         at 
[email protected]/java.lang.Thread.run(Thread.java:844)
   [junit4]    >   11) Thread[id=11646, name=watches-2458-thread-1, 
state=TIMED_WAITING, group=TGRP-BasicZkTest]
   [junit4]    >         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
   [junit4]    >         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
   [junit4]    >         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
   [junit4]    >         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
   [junit4]    >         at 
[email protected]/java.lang.Thread.run(Thread.java:844)
   [junit4]    >   12) Thread[id=11636, 
name=zkConnectionManagerCallback-2457-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]
   [junit4]    >         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
   [junit4]    >         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
   [junit4]    >         at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
   [junit4]    >         at 
[email protected]/java.lang.Thread.run(Thread.java:844)
   [junit4]    >   13) Thread[id=11652, name=zkCallback-2456-thread-3, 
state=TIMED_WAITING, group=TGRP-BasicZkTest]
   [junit4]    >         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
   [junit4]    >         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
   [junit4]    >         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
   [junit4]    >         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
   [junit4]    >         at 
[email protected]/java.lang.Thread.run(Thread.java:844)
   [junit4]    >   14) Thread[id=11645, name=Thread-3407, state=WAITING, 
group=TGRP-BasicZkTest]
   [junit4]    >         at [email protected]/java.lang.Object.wait(Native Method)
   [junit4]    >         at 
[email protected]/java.lang.Object.wait(Object.java:516)
   [junit4]    >         at 
app//org.apache.solr.core.CloserThread.run(CoreContainer.java:1728)
   [junit4]    >   15) Thread[id=11649, name=searcherExecutor-4375-thread-1, 
state=WAITING, group=TGRP-BasicZkTest]
   [junit4]    >         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
   [junit4]    >         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
   [junit4]    >         at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
   [junit4]    >         at 
[email protected]/java.lang.Thread.run(Thread.java:844)
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([DA39162667800404]:0)
   [junit4] Completed [235/768 (1!)] on J1 in 37.27s, 1 test, 4 errors <<< 
FAILURES!

[...truncated 42532 lines...]
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