Build: https://jenkins.thetaphi.de/job/Lucene-Solr-master-Linux/21527/
Java: 64bit/jdk-9.0.4 -XX:+UseCompressedOops -XX:+UseParallelGC

5 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([8FE63613CDD1A171]: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([8FE63613CDD1A171]: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.GeneratedMethodAccessor52.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=15697, name=SessionTracker, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at java.base@9.0.4/java.lang.Object.wait(Native 
Method)         at 
app//org.apache.zookeeper.server.SessionTrackerImpl.run(SessionTrackerImpl.java:147)
    2) Thread[id=15674, 
name=SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker-EventThread, 
state=WAITING, group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.4/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)    3) 
Thread[id=15699, name=ProcessThread(sid:0 cport:43453):, state=WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.4/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
app//org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:123)
    4) Thread[id=15685, name=watches-2694-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)    5) 
Thread[id=15693, name=zkCallback-2692-thread-5, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)    6) 
Thread[id=15677, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)    7) 
Thread[id=15696, name=NIOServerCxn.Factory:0.0.0.0/0.0.0.0:43453, 
state=RUNNABLE, group=TGRP-BasicZkTest]         at 
java.base@9.0.4/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         
at 
java.base@9.0.4/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)   
      at 
java.base@9.0.4/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
         at 
java.base@9.0.4/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at java.base@9.0.4/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:196)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)    8) 
Thread[id=15668, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)    9) 
Thread[id=15679, 
name=OverseerAutoScalingTriggerThread-72206392545968131-88.99.242.108:8983_-n_0000000000,
 state=WAITING, group=Overseer autoscaling triggers]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
app//org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:175)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)   10) 
Thread[id=15690, name=zkCallback-2692-thread-2, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)   11) 
Thread[id=15676, 
name=OverseerStateUpdate-72206392545968131-88.99.242.108:8983_-n_0000000000, 
state=TIMED_WAITING, group=Overseer state updater.]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
app//org.apache.solr.cloud.ZkDistributedQueue.peekElements(ZkDistributedQueue.java:463)
         at 
app//org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:205)  
       at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)   12) 
Thread[id=15678, 
name=OverseerCollectionConfigSetProcessor-72206392545968131-88.99.242.108:8983_-n_0000000000,
 state=TIMED_WAITING, group=Overseer collection creation process.]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$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:243)
         at 
app//org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:228)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)   13) 
Thread[id=15680, name=zkCallback-2692-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)   14) 
Thread[id=15681, name=ScheduledTrigger-5829-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1131)
         at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)   15) 
Thread[id=15695, name=Thread-4676, state=WAITING, group=TGRP-BasicZkTest]       
  at java.base@9.0.4/java.lang.Object.wait(Native Method)         at 
java.base@9.0.4/java.lang.Thread.join(Thread.java:1353)         at 
java.base@9.0.4/java.lang.Thread.join(Thread.java:1427)         at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory.join(NIOServerCnxnFactory.java:313)
         at 
app//org.apache.solr.cloud.ZkTestServer$ZKServerMain.runFromConfig(ZkTestServer.java:310)
         at 
app//org.apache.solr.cloud.ZkTestServer$2.run(ZkTestServer.java:491)   16) 
Thread[id=15691, name=zkCallback-2692-thread-3, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)   17) 
Thread[id=15669, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)   18) 
Thread[id=15684, name=Thread-4675, state=WAITING, group=TGRP-BasicZkTest]       
  at java.base@9.0.4/java.lang.Object.wait(Native Method)         at 
java.base@9.0.4/java.lang.Object.wait(Object.java:516)         at 
app//org.apache.solr.core.CloserThread.run(CoreContainer.java:1728)   19) 
Thread[id=15686, name=ScheduledTrigger-5829-thread-3, state=WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
         at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)   20) 
Thread[id=15675, name=zkConnectionManagerCallback-2693-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.4/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)   21) 
Thread[id=15692, name=zkCallback-2692-thread-4, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)   22) 
Thread[id=15682, name=ScheduledTrigger-5829-thread-2, state=WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
         at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)   23) 
Thread[id=15673, 
name=SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker-SendThread(127.0.0.1:43453),
 state=RUNNABLE, group=TGRP-BasicZkTest]         at 
java.base@9.0.4/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         
at 
java.base@9.0.4/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)   
      at 
java.base@9.0.4/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
         at 
java.base@9.0.4/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at java.base@9.0.4/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at 
app//org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1144)   24) 
Thread[id=15689, name=coreZkRegister-5824-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)   25) 
Thread[id=15694, name=ScheduledTrigger-5829-thread-4, state=WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
         at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)   26) 
Thread[id=15688, name=searcherExecutor-5834-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.4/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/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=15697, name=SessionTracker, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/java.lang.Object.wait(Native Method)
        at 
app//org.apache.zookeeper.server.SessionTrackerImpl.run(SessionTrackerImpl.java:147)
   2) Thread[id=15674, 
name=SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker-EventThread, 
state=WAITING, group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
java.base@9.0.4/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
        at 
app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)
   3) Thread[id=15699, name=ProcessThread(sid:0 cport:43453):, state=WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
java.base@9.0.4/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
        at 
app//org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:123)
   4) Thread[id=15685, name=watches-2694-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
   5) Thread[id=15693, name=zkCallback-2692-thread-5, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
   6) Thread[id=15677, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
   7) Thread[id=15696, name=NIOServerCxn.Factory:0.0.0.0/0.0.0.0:43453, 
state=RUNNABLE, group=TGRP-BasicZkTest]
        at java.base@9.0.4/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at 
java.base@9.0.4/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)
        at 
java.base@9.0.4/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
        at 
java.base@9.0.4/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at java.base@9.0.4/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:196)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
   8) Thread[id=15668, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
   9) Thread[id=15679, 
name=OverseerAutoScalingTriggerThread-72206392545968131-88.99.242.108:8983_-n_0000000000,
 state=WAITING, group=Overseer autoscaling triggers]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
app//org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:175)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
  10) Thread[id=15690, name=zkCallback-2692-thread-2, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
  11) Thread[id=15676, 
name=OverseerStateUpdate-72206392545968131-88.99.242.108:8983_-n_0000000000, 
state=TIMED_WAITING, group=Overseer state updater.]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
        at 
app//org.apache.solr.cloud.ZkDistributedQueue.peekElements(ZkDistributedQueue.java:463)
        at 
app//org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:205)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
  12) Thread[id=15678, 
name=OverseerCollectionConfigSetProcessor-72206392545968131-88.99.242.108:8983_-n_0000000000,
 state=TIMED_WAITING, group=Overseer collection creation process.]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$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:243)
        at 
app//org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:228)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
  13) Thread[id=15680, name=zkCallback-2692-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
  14) Thread[id=15681, name=ScheduledTrigger-5829-thread-1, 
state=TIMED_WAITING, group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
        at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1131)
        at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
  15) Thread[id=15695, name=Thread-4676, state=WAITING, group=TGRP-BasicZkTest]
        at java.base@9.0.4/java.lang.Object.wait(Native Method)
        at java.base@9.0.4/java.lang.Thread.join(Thread.java:1353)
        at java.base@9.0.4/java.lang.Thread.join(Thread.java:1427)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory.join(NIOServerCnxnFactory.java:313)
        at 
app//org.apache.solr.cloud.ZkTestServer$ZKServerMain.runFromConfig(ZkTestServer.java:310)
        at app//org.apache.solr.cloud.ZkTestServer$2.run(ZkTestServer.java:491)
  16) Thread[id=15691, name=zkCallback-2692-thread-3, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
  17) Thread[id=15669, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
  18) Thread[id=15684, name=Thread-4675, state=WAITING, group=TGRP-BasicZkTest]
        at java.base@9.0.4/java.lang.Object.wait(Native Method)
        at java.base@9.0.4/java.lang.Object.wait(Object.java:516)
        at app//org.apache.solr.core.CloserThread.run(CoreContainer.java:1728)
  19) Thread[id=15686, name=ScheduledTrigger-5829-thread-3, state=WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
        at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
  20) Thread[id=15675, name=zkConnectionManagerCallback-2693-thread-1, 
state=WAITING, group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
java.base@9.0.4/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
  21) Thread[id=15692, name=zkCallback-2692-thread-4, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
  22) Thread[id=15682, name=ScheduledTrigger-5829-thread-2, state=WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
        at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
  23) Thread[id=15673, 
name=SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker-SendThread(127.0.0.1:43453),
 state=RUNNABLE, group=TGRP-BasicZkTest]
        at java.base@9.0.4/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at 
java.base@9.0.4/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)
        at 
java.base@9.0.4/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
        at 
java.base@9.0.4/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at java.base@9.0.4/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at 
app//org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
        at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1144)
  24) Thread[id=15689, name=coreZkRegister-5824-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
  25) Thread[id=15694, name=ScheduledTrigger-5829-thread-4, state=WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
        at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
  26) Thread[id=15688, name=searcherExecutor-5834-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
java.base@9.0.4/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
        at __randomizedtesting.SeedInfo.seed([8FE63613CDD1A171]: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=15691, name=zkCallback-2692-thread-3, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)    2) 
Thread[id=15684, name=Thread-4675, state=WAITING, group=TGRP-BasicZkTest]       
  at java.base@9.0.4/java.lang.Object.wait(Native Method)         at 
java.base@9.0.4/java.lang.Object.wait(Object.java:516)         at 
app//org.apache.solr.core.CloserThread.run(CoreContainer.java:1728)    3) 
Thread[id=15685, name=watches-2694-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)    4) 
Thread[id=15693, name=zkCallback-2692-thread-5, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)    5) 
Thread[id=15686, name=ScheduledTrigger-5829-thread-3, state=WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
         at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)    6) 
Thread[id=15675, name=zkConnectionManagerCallback-2693-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.4/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)    7) 
Thread[id=15692, name=zkCallback-2692-thread-4, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)    8) 
Thread[id=15682, name=ScheduledTrigger-5829-thread-2, state=WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
         at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)    9) 
Thread[id=15673, 
name=SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker-SendThread(127.0.0.1:43453),
 state=TIMED_WAITING, group=TGRP-BasicZkTest]         at 
java.base@9.0.4/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:105)
         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1000)
         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1063)   10) 
Thread[id=15689, name=coreZkRegister-5824-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)   11) 
Thread[id=15690, name=zkCallback-2692-thread-2, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)   12) 
Thread[id=15694, name=ScheduledTrigger-5829-thread-4, state=WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
         at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)   13) 
Thread[id=15680, name=zkCallback-2692-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)   14) 
Thread[id=15681, name=ScheduledTrigger-5829-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1131)
         at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)   15) 
Thread[id=15688, name=searcherExecutor-5834-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9.0.4/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at java.base@9.0.4/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=15691, name=zkCallback-2692-thread-3, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
   2) Thread[id=15684, name=Thread-4675, state=WAITING, group=TGRP-BasicZkTest]
        at java.base@9.0.4/java.lang.Object.wait(Native Method)
        at java.base@9.0.4/java.lang.Object.wait(Object.java:516)
        at app//org.apache.solr.core.CloserThread.run(CoreContainer.java:1728)
   3) Thread[id=15685, name=watches-2694-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
   4) Thread[id=15693, name=zkCallback-2692-thread-5, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
   5) Thread[id=15686, name=ScheduledTrigger-5829-thread-3, state=WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
        at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
   6) Thread[id=15675, name=zkConnectionManagerCallback-2693-thread-1, 
state=WAITING, group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
java.base@9.0.4/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
   7) Thread[id=15692, name=zkCallback-2692-thread-4, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
   8) Thread[id=15682, name=ScheduledTrigger-5829-thread-2, state=WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
        at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
   9) Thread[id=15673, 
name=SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker-SendThread(127.0.0.1:43453),
 state=TIMED_WAITING, group=TGRP-BasicZkTest]
        at java.base@9.0.4/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:105)
        at 
app//org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1000)
        at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1063)
  10) Thread[id=15689, name=coreZkRegister-5824-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
  11) Thread[id=15690, name=zkCallback-2692-thread-2, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
  12) Thread[id=15694, name=ScheduledTrigger-5829-thread-4, state=WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1126)
        at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
  13) Thread[id=15680, name=zkCallback-2692-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9.0.4/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
  14) Thread[id=15681, name=ScheduledTrigger-5829-thread-1, 
state=TIMED_WAITING, group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
        at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1131)
        at 
java.base@9.0.4/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
  15) Thread[id=15688, name=searcherExecutor-5834-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9.0.4/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9.0.4/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
java.base@9.0.4/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
java.base@9.0.4/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
java.base@9.0.4/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.base@9.0.4/java.lang.Thread.run(Thread.java:844)
        at __randomizedtesting.SeedInfo.seed([8FE63613CDD1A171]:0)


FAILED:  
org.apache.solr.client.solrj.io.stream.StreamExpressionTest.testDistributions

Error Message:


Stack Trace:
java.lang.AssertionError
        at 
__randomizedtesting.SeedInfo.seed([5DAED645DE2F97FA:E25197EF00D57766]:0)
        at org.junit.Assert.fail(Assert.java:92)
        at org.junit.Assert.assertTrue(Assert.java:43)
        at org.junit.Assert.assertTrue(Assert.java:54)
        at 
org.apache.solr.client.solrj.io.stream.StreamExpressionTest.testDistributions(StreamExpressionTest.java:6639)
        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$8.evaluate(RandomizedRunner.java:934)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:970)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:984)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:943)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:829)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:879)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:890)
        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)




Build Log:
[...truncated 13328 lines...]
   [junit4] Suite: org.apache.solr.cloud.BasicZkTest
   [junit4]   2> 1655595 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [    ] o.a.s.SolrTestCaseJ4 
SecureRandom sanity checks: test.solr.allowed.securerandom=null & 
java.security.egd=file:/dev/./urandom
   [junit4]   2> Creating dataDir: 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/solr-core/test/J2/temp/solr.cloud.BasicZkTest_8FE63613CDD1A171-001/init-core-data-001
   [junit4]   2> 1655595 WARN  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [    ] o.a.s.SolrTestCaseJ4 
startTrackingSearchers: numOpens=28 numCloses=28
   [junit4]   2> 1655595 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [    ] o.a.s.SolrTestCaseJ4 
Using PointFields (NUMERIC_POINTS_SYSPROP=true) w/NUMERIC_DOCVALUES_SYSPROP=true
   [junit4]   2> 1655596 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [    ] o.a.s.SolrTestCaseJ4 
Randomized ssl (false) and clientAuth (true) via: 
@org.apache.solr.util.RandomizeSSL(reason="", value=0.0/0.0, ssl=0.0/0.0, 
clientAuth=0.0/0.0)
   [junit4]   2> 1655596 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [    ] o.a.s.c.ZkTestServer 
STARTING ZK TEST SERVER
   [junit4]   2> 1655596 INFO  (Thread-4674) [    ] o.a.s.c.ZkTestServer client 
port:0.0.0.0/0.0.0.0:0
   [junit4]   2> 1655596 INFO  (Thread-4674) [    ] o.a.s.c.ZkTestServer 
Starting server
   [junit4]   2> 1655597 ERROR (Thread-4674) [    ] o.a.z.s.ZooKeeperServer 
ZKShutdownHandler is not registered, so ZooKeeper server won't take any action 
on ERROR or SHUTDOWN server state changes
   [junit4]   2> 1655696 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [    ] o.a.s.c.ZkTestServer 
start zk server on port:43453
   [junit4]   2> 1655697 INFO  (zkConnectionManagerCallback-2685-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1655699 INFO  (zkConnectionManagerCallback-2687-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1655700 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [    ] 
o.a.s.c.AbstractZkTestCase put 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/core/src/test-files/solr/collection1/conf/solrconfig.xml
 to /configs/conf1/solrconfig.xml
   [junit4]   2> 1655701 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [    ] 
o.a.s.c.AbstractZkTestCase put 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/core/src/test-files/solr/collection1/conf/schema.xml
 to /configs/conf1/schema.xml
   [junit4]   2> 1655702 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [    ] 
o.a.s.c.AbstractZkTestCase put 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/core/src/test-files/solr/collection1/conf/solrconfig.snippet.randomindexconfig.xml
 to /configs/conf1/solrconfig.snippet.randomindexconfig.xml
   [junit4]   2> 1655702 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [    ] 
o.a.s.c.AbstractZkTestCase put 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/core/src/test-files/solr/collection1/conf/stopwords.txt
 to /configs/conf1/stopwords.txt
   [junit4]   2> 1655703 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [    ] 
o.a.s.c.AbstractZkTestCase put 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/core/src/test-files/solr/collection1/conf/protwords.txt
 to /configs/conf1/protwords.txt
   [junit4]   2> 1655703 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [    ] 
o.a.s.c.AbstractZkTestCase put 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/core/src/test-files/solr/collection1/conf/currency.xml
 to /configs/conf1/currency.xml
   [junit4]   2> 1655703 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [    ] 
o.a.s.c.AbstractZkTestCase put 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/core/src/test-files/solr/collection1/conf/enumsConfig.xml
 to /configs/conf1/enumsConfig.xml
   [junit4]   2> 1655704 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [    ] 
o.a.s.c.AbstractZkTestCase put 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/core/src/test-files/solr/collection1/conf/open-exchange-rates.json
 to /configs/conf1/open-exchange-rates.json
   [junit4]   2> 1655704 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [    ] 
o.a.s.c.AbstractZkTestCase put 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/core/src/test-files/solr/collection1/conf/mapping-ISOLatin1Accent.txt
 to /configs/conf1/mapping-ISOLatin1Accent.txt
   [junit4]   2> 1655705 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [    ] 
o.a.s.c.AbstractZkTestCase put 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/core/src/test-files/solr/collection1/conf/old_synonyms.txt
 to /configs/conf1/old_synonyms.txt
   [junit4]   2> 1655705 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [    ] 
o.a.s.c.AbstractZkTestCase put 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/core/src/test-files/solr/collection1/conf/synonyms.txt
 to /configs/conf1/synonyms.txt
   [junit4]   2> 1655706 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [    ] o.a.s.SolrTestCaseJ4 
####initCore
   [junit4]   2> 1655706 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [    ] 
o.a.s.c.SolrResourceLoader [null] Added 2 libs to classloader, from paths: 
[/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/core/src/test-files/solr/collection1/lib,
 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/core/src/test-files/solr/collection1/lib/classes]
   [junit4]   2> 1655725 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [    ] o.a.s.c.SolrConfig 
Using Lucene MatchVersion: 8.0.0
   [junit4]   2> 1655744 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [    ] o.a.s.s.IndexSchema 
[null] Schema name=test
   [junit4]   2> 1655827 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [    ] o.a.s.s.IndexSchema 
Loaded schema test/1.0 with uniqueid field id
   [junit4]   2> 1655832 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [    ] o.a.s.c.ZkContainer 
Zookeeper client=127.0.0.1:43453/solr
   [junit4]   2> 1655833 INFO  (zkConnectionManagerCallback-2691-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1655837 INFO  
(zkConnectionManagerCallback-2693-thread-1-processing-n:88.99.242.108:8983_) 
[n:88.99.242.108:8983_    ] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1655864 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [n:88.99.242.108:8983_    ] 
o.a.s.c.Overseer Overseer (id=null) closing
   [junit4]   2> 1655864 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [n:88.99.242.108:8983_    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 88.99.242.108:8983_
   [junit4]   2> 1655864 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [n:88.99.242.108:8983_    ] 
o.a.s.c.Overseer Overseer 
(id=72206392545968131-88.99.242.108:8983_-n_0000000000) starting
   [junit4]   2> 1655867 INFO  
(SUITE-BasicZkTest-seed#[8FE63613CDD1A171]-worker) [n:88.99.242.108:8983_    ] 
o.a.s.c.ZkController Register node as live in 
ZooKeeper:/live_nodes/88.99.242.108:8983_
   [junit4]   2> 1655867 INFO  
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[[collection1] ] Opening new SolrCore at 
[/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/core/src/test-files/solr/collection1],
 
dataDir=[/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/solr-core/test/J2/temp/solr.cloud.BasicZkTest_8FE63613CDD1A171-001/init-core-data-001/]
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maxMergeAtOnce=42, maxMergeAtOnceExplicit=22, maxMergedSegmentMB=65.423828125, 
floorSegmentMB=1.958984375, forceMergeDeletesPctAllowed=9.728164659731341, 
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127.0.0.1:36795_solr    ] o.a.s.c.a.OverseerTriggerThread OverseerTriggerThread 
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limit violations: 
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/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/solr-solrj/test/J1/temp/solr.client.solrj.io.stream.StreamExpressionTest_5DAED645DE2F97FA-001
   [junit4]   2> NOTE: test params are: codec=Asserting(Lucene70): 
{expr_s=PostingsFormat(name=Memory), 
join2_s=TestBloomFilteredLucenePostings(BloomFilteringPostingsFormat(Lucene50(blocksize=128))),
 
multiDefault=TestBloomFilteredLucenePostings(BloomFilteringPostingsFormat(Lucene50(blocksize=128))),
 
subject=TestBloomFilteredLucenePostings(BloomFilteringPostingsFormat(Lucene50(blocksize=128))),
 a1_s=Lucene50(blocksize=128), a2_s=PostingsFormat(name=Memory), 
test_t=PostingsFormat(name=LuceneVarGapDocFreqInterval), 
level1_s=PostingsFormat(name=Memory), 
body_t=PostingsFormat(name=LuceneVarGapDocFreqInterval), 
ident_s=Lucene50(blocksize=128), s_multi=PostingsFormat(name=Memory), 
col_s=Lucene50(blocksize=128), 
a_ss=TestBloomFilteredLucenePostings(BloomFilteringPostingsFormat(Lucene50(blocksize=128))),
 level2_s=Lucene50(blocksize=128), a_s=PostingsFormat(name=Memory), 
a_t=TestBloomFilteredLucenePostings(BloomFilteringPostingsFormat(Lucene50(blocksize=128))),
 side_s=PostingsFormat(name=LuceneVarGapDocFreqInterval), 
id=PostingsFormat(name=LuceneVarGapDocFreqInterval), 
text=PostingsFormat(name=Memory)}, 
docValues:{expr_s=DocValuesFormat(name=Asserting), 
join2_s=DocValuesFormat(name=Memory), 
multiDefault=DocValuesFormat(name=Memory), 
price_f=DocValuesFormat(name=Memory), a1_s=DocValuesFormat(name=Lucene70), 
intDefault=DocValuesFormat(name=Lucene70), a_f=DocValuesFormat(name=Lucene70), 
join1_i=DocValuesFormat(name=Asserting), a2_s=DocValuesFormat(name=Asserting), 
a_i=DocValuesFormat(name=Lucene70), join3_i=DocValuesFormat(name=Lucene70), 
test_i=DocValuesFormat(name=Memory), field_i=DocValuesFormat(name=Memory), 
level1_s=DocValuesFormat(name=Asserting), 
s_multi=DocValuesFormat(name=Asserting), col_s=DocValuesFormat(name=Lucene70), 
a_ss=DocValuesFormat(name=Memory), level2_s=DocValuesFormat(name=Lucene70), 
a_s=DocValuesFormat(name=Asserting), id=DocValuesFormat(name=Lucene70), 
timestamp=DocValuesFormat(name=Memory), i_multi=DocValuesFormat(name=Lucene70), 
b_ls=DocValuesFormat(name=Lucene70), test_dt=DocValuesFormat(name=Asserting), 
ident_s=DocValuesFormat(name=Lucene70), order_i=DocValuesFormat(name=Memory), 
_version_=DocValuesFormat(name=Lucene70), 
side_s=DocValuesFormat(name=Lucene70), miles_i=DocValuesFormat(name=Lucene70)}, 
maxPointsInLeafNode=785, maxMBSortInHeap=6.652318325679641, 
sim=Asserting(org.apache.lucene.search.similarities.AssertingSimilarity@1459ec92),
 locale=sr-Cyrl, timezone=America/Miquelon
   [junit4]   2> NOTE: Linux 4.13.0-32-generic amd64/Oracle Corporation 9.0.4 
(64-bit)/cpus=8,threads=1,free=203336264,total=526385152
   [junit4]   2> NOTE: All tests run in this JVM: [TestLBHttpSolrClient, 
SolrQueryTest, CeilingEvaluatorTest, CorrelationEvaluatorTest, 
AbsoluteValueEvaluatorTest, TestUpdateRequestCodec, 
TestDelegationTokenResponse, NormalDistributionEvaluatorTest, 
QueryResponseTest, TestRetryUtil, HttpSolrClientSSLAuthConPoolTest, 
SolrPingTest, JDBCStreamTest, SolrExampleEmbeddedTest, FacetFieldTest, 
ArcTangentEvaluatorTest, ConcatOperationTest, SolrDocumentTest, 
ModuloEvaluatorTest, TestFastInputStream, ConcurrentUpdateSolrClientTest, 
CollectionAdminRequestRequiredParamsTest, RoundEvaluatorTest, 
SolrExampleStreamingBinaryTest, SolrExampleBinaryTest, LargeVolumeJettyTest, 
MergeIndexesEmbeddedTest, ContentStreamTest, ClientUtilsTest, GetByIdTest, 
CloudSolrClientMultiConstructorTest, ConcurrentUpdateSolrClientBuilderTest, 
HttpSolrClientConPoolTest, LBHttpSolrClientBuilderTest, 
TestCloudSolrClientConnections, StreamExpressionTest]
   [junit4] Completed [146/146 (1!)] on J1 in 79.75s, 155 tests, 1 failure, 9 
skipped <<< FAILURES!

[...truncated 40261 lines...]
[repro] Jenkins log URL: 
https://jenkins.thetaphi.de/job/Lucene-Solr-master-Linux/21527/consoleText

[repro] Revision: 29e5b8abcee8a566cc057b862ab99c5ffef13a76

[repro] Repro line:  ant test  -Dtestcase=BasicZkTest 
-Dtests.seed=8FE63613CDD1A171 -Dtests.multiplier=3 -Dtests.slow=true 
-Dtests.locale=fr-MU -Dtests.timezone=Etc/GMT-8 -Dtests.asserts=true 
-Dtests.file.encoding=UTF-8

[repro] Repro line:  ant test  -Dtestcase=StreamExpressionTest 
-Dtests.method=testDistributions -Dtests.seed=5DAED645DE2F97FA 
-Dtests.multiplier=3 -Dtests.slow=true -Dtests.locale=sr-Cyrl 
-Dtests.timezone=America/Miquelon -Dtests.asserts=true 
-Dtests.file.encoding=UTF-8

[repro] Ant options: "-Dargs=-XX:+UseCompressedOops -XX:+UseParallelGC"
[repro] ant clean

[...truncated 6 lines...]
[repro] Test suites by module:
[repro]    solr/solrj
[repro]       StreamExpressionTest
[repro]    solr/core
[repro]       BasicZkTest
[repro] ant compile-test

[...truncated 2449 lines...]
[repro] ant test-nocompile -Dtests.dups=5 -Dtests.maxfailures=5 
-Dtests.class="*.StreamExpressionTest" -Dtests.showOutput=onerror 
"-Dargs=-XX:+UseCompressedOops -XX:+UseParallelGC" 
-Dtests.seed=5DAED645DE2F97FA -Dtests.multiplier=3 -Dtests.slow=true 
-Dtests.locale=sr-Cyrl -Dtests.timezone=America/Miquelon -Dtests.asserts=true 
-Dtests.file.encoding=UTF-8

[...truncated 891 lines...]
[repro] ant compile-test

[...truncated 1334 lines...]
[repro] ant test-nocompile -Dtests.dups=5 -Dtests.maxfailures=5 
-Dtests.class="*.BasicZkTest" -Dtests.showOutput=onerror 
"-Dargs=-XX:+UseCompressedOops -XX:+UseParallelGC" 
-Dtests.seed=8FE63613CDD1A171 -Dtests.multiplier=3 -Dtests.slow=true 
-Dtests.locale=fr-MU -Dtests.timezone=Etc/GMT-8 -Dtests.asserts=true 
-Dtests.file.encoding=UTF-8

[...truncated 76 lines...]
[repro] Failures:
[repro]   0/5 failed: 
org.apache.solr.client.solrj.io.stream.StreamExpressionTest
[repro]   0/5 failed: org.apache.solr.cloud.BasicZkTest
[repro] Exiting with code 0

[...truncated 40 lines...]
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