Build: https://jenkins.thetaphi.de/job/Lucene-Solr-6.4-Linux/117/
Java: 32bit/jdk-9-ea+153 -server -XX:+UseParallelGC

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

Error Message:
SolrCore.getOpenCount()==2

Stack Trace:
java.lang.RuntimeException: SolrCore.getOpenCount()==2
        at __randomizedtesting.SeedInfo.seed([5DFA36307FEA60D4]:0)
        at org.apache.solr.util.TestHarness.close(TestHarness.java:373)
        at org.apache.solr.SolrTestCaseJ4.deleteCore(SolrTestCaseJ4.java:731)
        at 
org.apache.solr.cloud.AbstractZkTestCase.azt_afterClass(AbstractZkTestCase.java:143)
        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:543)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1713)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:870)
        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:367)
        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([5DFA36307FEA60D4]:0)
        at org.apache.solr.util.TestHarness.close(TestHarness.java:373)
        at org.apache.solr.SolrTestCaseJ4.deleteCore(SolrTestCaseJ4.java:731)
        at 
org.apache.solr.SolrTestCaseJ4.teardownTestCases(SolrTestCaseJ4.java:261)
        at jdk.internal.reflect.GeneratedMethodAccessor26.invoke(Unknown Source)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:543)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1713)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:870)
        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:367)
        at java.base/java.lang.Thread.run(Thread.java:844)


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

Error Message:
21 threads leaked from SUITE scope at org.apache.solr.cloud.BasicZkTest:     1) 
Thread[id=8076, 
name=SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker-EventThread, 
state=WAITING, group=TGRP-BasicZkTest]         at 
java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.park(LockSupport.java:192)
         at 
java.base@9-ea/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9-ea/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)    2) 
Thread[id=8078, 
name=OverseerStateUpdate-97412557254688771-188.138.57.78:8983_-n_0000000000, 
state=TIMED_WAITING, group=Overseer state updater.]         at 
java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
         at 
java.base@9-ea/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
app//org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:164)     
    at 
app//org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:138)     
    at 
app//org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:179)  
       at java.base@9-ea/java.lang.Thread.run(Thread.java:844)    3) 
Thread[id=8080, 
name=OverseerHdfsCoreFailoverThread-97412557254688771-188.138.57.78:8983_-n_0000000000,
 state=TIMED_WAITING, group=Overseer Hdfs SolrCore Failover Thread.]         at 
java.base@9-ea/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.run(OverseerAutoReplicaFailoverThread.java:139)
         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)    4) 
Thread[id=8094, name=SessionTracker, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at java.base@9-ea/java.lang.Object.wait(Native 
Method)         at 
app//org.apache.zookeeper.server.SessionTrackerImpl.run(SessionTrackerImpl.java:146)
    5) Thread[id=8091, name=zkCallback-1126-thread-6, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)    6) 
Thread[id=8087, name=zkCallback-1126-thread-2, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)    7) 
Thread[id=8071, name=solr-idle-connections-evictor, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at java.base@9-ea/java.lang.Thread.sleep(Native 
Method)         at 
app//org.apache.solr.update.UpdateShardHandler$IdleConnectionsEvictor$1.run(UpdateShardHandler.java:258)
         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)    8) 
Thread[id=8075, 
name=SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker-SendThread(127.0.0.1:38157),
 state=RUNNABLE, group=TGRP-BasicZkTest]         at 
java.base@9-ea/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at 
java.base@9-ea/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)    
     at 
java.base@9-ea/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92) 
        at 
java.base@9-ea/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)    
     at java.base@9-ea/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)     
    at 
app//org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)    9) 
Thread[id=8093, name=NIOServerCxn.Factory:0.0.0.0/0.0.0.0:38157, 
state=RUNNABLE, group=TGRP-BasicZkTest]         at 
java.base@9-ea/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at 
java.base@9-ea/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)    
     at 
java.base@9-ea/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92) 
        at 
java.base@9-ea/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)    
     at java.base@9-ea/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)     
    at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:178)
         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)   10) 
Thread[id=8090, name=zkCallback-1126-thread-5, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)   11) 
Thread[id=8077, name=zkCallback-1126-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)   12) 
Thread[id=8083, name=watches-1127-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)   13) 
Thread[id=8096, name=ProcessThread(sid:0 cport:-1):, state=WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.park(LockSupport.java:192)
         at 
java.base@9-ea/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9-ea/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
app//org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:120)
   14) Thread[id=8085, name=searcherExecutor-3791-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.park(LockSupport.java:192)
         at 
java.base@9-ea/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9-ea/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1086)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)   15) 
Thread[id=8086, name=coreZkRegister-3783-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)   16) 
Thread[id=8088, name=zkCallback-1126-thread-3, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)   17) 
Thread[id=8082, name=Thread-2172, state=WAITING, group=TGRP-BasicZkTest]        
 at java.base@9-ea/java.lang.Object.wait(Native Method)         at 
java.base@9-ea/java.lang.Object.wait(Object.java:516)         at 
app//org.apache.solr.core.CloserThread.run(CoreContainer.java:1335)   18) 
Thread[id=8070, name=solr-idle-connections-evictor, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at java.base@9-ea/java.lang.Thread.sleep(Native 
Method)         at 
app//org.apache.solr.update.UpdateShardHandler$IdleConnectionsEvictor$1.run(UpdateShardHandler.java:258)
         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)   19) 
Thread[id=8092, name=Thread-2173, state=WAITING, group=TGRP-BasicZkTest]        
 at java.base@9-ea/java.lang.Object.wait(Native Method)         at 
java.base@9-ea/java.lang.Thread.join(Thread.java:1353)         at 
java.base@9-ea/java.lang.Thread.join(Thread.java:1427)         at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory.join(NIOServerCnxnFactory.java:302)
         at 
app//org.apache.solr.cloud.ZkTestServer$ZKServerMain.runFromConfig(ZkTestServer.java:309)
         at 
app//org.apache.solr.cloud.ZkTestServer$2.run(ZkTestServer.java:490)   20) 
Thread[id=8089, name=zkCallback-1126-thread-4, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)   21) 
Thread[id=8079, 
name=OverseerCollectionConfigSetProcessor-97412557254688771-188.138.57.78:8983_-n_0000000000,
 state=TIMED_WAITING, group=Overseer collection creation process.]         at 
java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
         at 
java.base@9-ea/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
app//org.apache.solr.cloud.DistributedQueue.peekElements(DistributedQueue.java:343)
         at 
app//org.apache.solr.cloud.OverseerTaskQueue.peekTopN(OverseerTaskQueue.java:235)
         at 
app//org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:227)
         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 21 threads leaked from 
SUITE scope at org.apache.solr.cloud.BasicZkTest: 
   1) Thread[id=8076, 
name=SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker-EventThread, 
state=WAITING, group=TGRP-BasicZkTest]
        at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.park(LockSupport.java:192)
        at 
java.base@9-ea/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
java.base@9-ea/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
        at 
app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)
   2) Thread[id=8078, 
name=OverseerStateUpdate-97412557254688771-188.138.57.78:8983_-n_0000000000, 
state=TIMED_WAITING, group=Overseer state updater.]
        at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
        at 
java.base@9-ea/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
        at 
app//org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:164)
        at 
app//org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:138)
        at 
app//org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:179)
        at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
   3) Thread[id=8080, 
name=OverseerHdfsCoreFailoverThread-97412557254688771-188.138.57.78:8983_-n_0000000000,
 state=TIMED_WAITING, group=Overseer Hdfs SolrCore Failover Thread.]
        at java.base@9-ea/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.run(OverseerAutoReplicaFailoverThread.java:139)
        at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
   4) Thread[id=8094, name=SessionTracker, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9-ea/java.lang.Object.wait(Native Method)
        at 
app//org.apache.zookeeper.server.SessionTrackerImpl.run(SessionTrackerImpl.java:146)
   5) Thread[id=8091, name=zkCallback-1126-thread-6, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
   6) Thread[id=8087, name=zkCallback-1126-thread-2, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
   7) Thread[id=8071, name=solr-idle-connections-evictor, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9-ea/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.solr.update.UpdateShardHandler$IdleConnectionsEvictor$1.run(UpdateShardHandler.java:258)
        at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
   8) Thread[id=8075, 
name=SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker-SendThread(127.0.0.1:38157),
 state=RUNNABLE, group=TGRP-BasicZkTest]
        at java.base@9-ea/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at 
java.base@9-ea/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)
        at 
java.base@9-ea/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
        at 
java.base@9-ea/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at java.base@9-ea/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at 
app//org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
        at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)
   9) Thread[id=8093, name=NIOServerCxn.Factory:0.0.0.0/0.0.0.0:38157, 
state=RUNNABLE, group=TGRP-BasicZkTest]
        at java.base@9-ea/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at 
java.base@9-ea/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)
        at 
java.base@9-ea/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
        at 
java.base@9-ea/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at java.base@9-ea/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:178)
        at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
  10) Thread[id=8090, name=zkCallback-1126-thread-5, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
  11) Thread[id=8077, name=zkCallback-1126-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
  12) Thread[id=8083, name=watches-1127-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
  13) Thread[id=8096, name=ProcessThread(sid:0 cport:-1):, state=WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.park(LockSupport.java:192)
        at 
java.base@9-ea/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
java.base@9-ea/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
        at 
app//org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:120)
  14) Thread[id=8085, name=searcherExecutor-3791-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.park(LockSupport.java:192)
        at 
java.base@9-ea/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
java.base@9-ea/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1086)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
  15) Thread[id=8086, name=coreZkRegister-3783-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
  16) Thread[id=8088, name=zkCallback-1126-thread-3, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
  17) Thread[id=8082, name=Thread-2172, state=WAITING, group=TGRP-BasicZkTest]
        at java.base@9-ea/java.lang.Object.wait(Native Method)
        at java.base@9-ea/java.lang.Object.wait(Object.java:516)
        at app//org.apache.solr.core.CloserThread.run(CoreContainer.java:1335)
  18) Thread[id=8070, name=solr-idle-connections-evictor, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9-ea/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.solr.update.UpdateShardHandler$IdleConnectionsEvictor$1.run(UpdateShardHandler.java:258)
        at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
  19) Thread[id=8092, name=Thread-2173, state=WAITING, group=TGRP-BasicZkTest]
        at java.base@9-ea/java.lang.Object.wait(Native Method)
        at java.base@9-ea/java.lang.Thread.join(Thread.java:1353)
        at java.base@9-ea/java.lang.Thread.join(Thread.java:1427)
        at 
app//org.apache.zookeeper.server.NIOServerCnxnFactory.join(NIOServerCnxnFactory.java:302)
        at 
app//org.apache.solr.cloud.ZkTestServer$ZKServerMain.runFromConfig(ZkTestServer.java:309)
        at app//org.apache.solr.cloud.ZkTestServer$2.run(ZkTestServer.java:490)
  20) Thread[id=8089, name=zkCallback-1126-thread-4, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
  21) Thread[id=8079, 
name=OverseerCollectionConfigSetProcessor-97412557254688771-188.138.57.78:8983_-n_0000000000,
 state=TIMED_WAITING, group=Overseer collection creation process.]
        at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
        at 
java.base@9-ea/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
        at 
app//org.apache.solr.cloud.DistributedQueue.peekElements(DistributedQueue.java:343)
        at 
app//org.apache.solr.cloud.OverseerTaskQueue.peekTopN(OverseerTaskQueue.java:235)
        at 
app//org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:227)
        at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
        at __randomizedtesting.SeedInfo.seed([5DFA36307FEA60D4]: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=8085, name=searcherExecutor-3791-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.park(LockSupport.java:192)
         at 
java.base@9-ea/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
java.base@9-ea/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1086)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)    2) 
Thread[id=8086, name=coreZkRegister-3783-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)    3) 
Thread[id=8088, name=zkCallback-1126-thread-3, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)    4) 
Thread[id=8082, name=Thread-2172, state=WAITING, group=TGRP-BasicZkTest]        
 at java.base@9-ea/java.lang.Object.wait(Native Method)         at 
java.base@9-ea/java.lang.Object.wait(Object.java:516)         at 
app//org.apache.solr.core.CloserThread.run(CoreContainer.java:1335)    5) 
Thread[id=8091, name=zkCallback-1126-thread-6, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)    6) 
Thread[id=8087, name=zkCallback-1126-thread-2, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)    7) 
Thread[id=8075, 
name=SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker-SendThread(127.0.0.1:38157),
 state=TIMED_WAITING, group=TGRP-BasicZkTest]         at 
java.base@9-ea/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:994)    8) 
Thread[id=8089, name=zkCallback-1126-thread-4, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)    9) 
Thread[id=8090, name=zkCallback-1126-thread-5, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)   10) 
Thread[id=8077, name=zkCallback-1126-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)   11) 
Thread[id=8083, name=watches-1127-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at 
java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
         at java.base@9-ea/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=8085, name=searcherExecutor-3791-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.park(LockSupport.java:192)
        at 
java.base@9-ea/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
java.base@9-ea/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1086)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
   2) Thread[id=8086, name=coreZkRegister-3783-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
   3) Thread[id=8088, name=zkCallback-1126-thread-3, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
   4) Thread[id=8082, name=Thread-2172, state=WAITING, group=TGRP-BasicZkTest]
        at java.base@9-ea/java.lang.Object.wait(Native Method)
        at java.base@9-ea/java.lang.Object.wait(Object.java:516)
        at app//org.apache.solr.core.CloserThread.run(CoreContainer.java:1335)
   5) Thread[id=8091, name=zkCallback-1126-thread-6, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
   6) Thread[id=8087, name=zkCallback-1126-thread-2, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
   7) Thread[id=8075, 
name=SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker-SendThread(127.0.0.1:38157),
 state=TIMED_WAITING, group=TGRP-BasicZkTest]
        at java.base@9-ea/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:994)
   8) Thread[id=8089, name=zkCallback-1126-thread-4, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
   9) Thread[id=8090, name=zkCallback-1126-thread-5, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
  10) Thread[id=8077, name=zkCallback-1126-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
  11) Thread[id=8083, name=watches-1127-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native Method)
        at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
        at __randomizedtesting.SeedInfo.seed([5DFA36307FEA60D4]:0)




Build Log:
[...truncated 12179 lines...]
   [junit4] Suite: org.apache.solr.cloud.BasicZkTest
   [junit4]   2> Creating dataDir: 
/home/jenkins/workspace/Lucene-Solr-6.4-Linux/solr/build/solr-core/test/J0/temp/solr.cloud.BasicZkTest_5DFA36307FEA60D4-001/init-core-data-001
   [junit4]   2> 1429120 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] o.a.s.SolrTestCaseJ4 
Randomized ssl (false) and clientAuth (true) via: 
@org.apache.solr.util.RandomizeSSL(reason="", ssl=0.0/0.0, value=0.0/0.0, 
clientAuth=0.0/0.0)
   [junit4]   2> 1429121 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] o.a.s.c.ZkTestServer 
STARTING ZK TEST SERVER
   [junit4]   2> 1429121 INFO  (Thread-2171) [    ] o.a.s.c.ZkTestServer client 
port:0.0.0.0/0.0.0.0:0
   [junit4]   2> 1429121 INFO  (Thread-2171) [    ] o.a.s.c.ZkTestServer 
Starting server
   [junit4]   2> 1429221 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] o.a.s.c.ZkTestServer 
start zk server on port:38157
   [junit4]   2> 1429226 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] 
o.a.s.c.AbstractZkTestCase put 
/home/jenkins/workspace/Lucene-Solr-6.4-Linux/solr/core/src/test-files/solr/collection1/conf/solrconfig.xml
 to /configs/conf1/solrconfig.xml
   [junit4]   2> 1429228 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] 
o.a.s.c.AbstractZkTestCase put 
/home/jenkins/workspace/Lucene-Solr-6.4-Linux/solr/core/src/test-files/solr/collection1/conf/schema.xml
 to /configs/conf1/schema.xml
   [junit4]   2> 1429231 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] 
o.a.s.c.AbstractZkTestCase put 
/home/jenkins/workspace/Lucene-Solr-6.4-Linux/solr/core/src/test-files/solr/collection1/conf/solrconfig.snippet.randomindexconfig.xml
 to /configs/conf1/solrconfig.snippet.randomindexconfig.xml
   [junit4]   2> 1429233 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] 
o.a.s.c.AbstractZkTestCase put 
/home/jenkins/workspace/Lucene-Solr-6.4-Linux/solr/core/src/test-files/solr/collection1/conf/stopwords.txt
 to /configs/conf1/stopwords.txt
   [junit4]   2> 1429239 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] 
o.a.s.c.AbstractZkTestCase put 
/home/jenkins/workspace/Lucene-Solr-6.4-Linux/solr/core/src/test-files/solr/collection1/conf/protwords.txt
 to /configs/conf1/protwords.txt
   [junit4]   2> 1429240 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] 
o.a.s.c.AbstractZkTestCase put 
/home/jenkins/workspace/Lucene-Solr-6.4-Linux/solr/core/src/test-files/solr/collection1/conf/currency.xml
 to /configs/conf1/currency.xml
   [junit4]   2> 1429243 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] 
o.a.s.c.AbstractZkTestCase put 
/home/jenkins/workspace/Lucene-Solr-6.4-Linux/solr/core/src/test-files/solr/collection1/conf/enumsConfig.xml
 to /configs/conf1/enumsConfig.xml
   [junit4]   2> 1429245 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] 
o.a.s.c.AbstractZkTestCase put 
/home/jenkins/workspace/Lucene-Solr-6.4-Linux/solr/core/src/test-files/solr/collection1/conf/open-exchange-rates.json
 to /configs/conf1/open-exchange-rates.json
   [junit4]   2> 1429248 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] 
o.a.s.c.AbstractZkTestCase put 
/home/jenkins/workspace/Lucene-Solr-6.4-Linux/solr/core/src/test-files/solr/collection1/conf/mapping-ISOLatin1Accent.txt
 to /configs/conf1/mapping-ISOLatin1Accent.txt
   [junit4]   2> 1429251 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] 
o.a.s.c.AbstractZkTestCase put 
/home/jenkins/workspace/Lucene-Solr-6.4-Linux/solr/core/src/test-files/solr/collection1/conf/old_synonyms.txt
 to /configs/conf1/old_synonyms.txt
   [junit4]   2> 1429254 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] 
o.a.s.c.AbstractZkTestCase put 
/home/jenkins/workspace/Lucene-Solr-6.4-Linux/solr/core/src/test-files/solr/collection1/conf/synonyms.txt
 to /configs/conf1/synonyms.txt
   [junit4]   2> 1429258 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] o.a.s.SolrTestCaseJ4 
####initCore
   [junit4]   2> 1429259 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] 
o.a.s.c.SolrResourceLoader [null] Added 2 libs to classloader, from paths: 
[/home/jenkins/workspace/Lucene-Solr-6.4-Linux/solr/core/src/test-files/solr/collection1/lib,
 
/home/jenkins/workspace/Lucene-Solr-6.4-Linux/solr/core/src/test-files/solr/collection1/lib/classes]
   [junit4]   2> 1429358 WARN  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] o.a.s.c.Config 
Beginning with Solr 5.5, <mergePolicy> is deprecated, use <mergePolicyFactory> 
instead.
   [junit4]   2> 1429359 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] o.a.s.c.SolrConfig 
Using Lucene MatchVersion: 6.4.1
   [junit4]   2> 1429377 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] o.a.s.s.IndexSchema 
[null] Schema name=test
   [junit4]   2> 1429436 WARN  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] o.a.s.s.IndexSchema 
[null] default search field in schema is text. WARNING: Deprecated, please use 
'df' on request instead.
   [junit4]   2> 1429443 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] o.a.s.s.IndexSchema 
Loaded schema test/1.0 with uniqueid field id
   [junit4]   2> 1429475 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] 
o.a.s.u.UpdateShardHandler Creating UpdateShardHandler HTTP client with params: 
socketTimeout=30000&connTimeout=30000&retry=true
   [junit4]   2> 1429477 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] o.a.s.c.ZkContainer 
Zookeeper client=127.0.0.1:38157/solr
   [junit4]   2> 1429486 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] 
o.a.s.c.OverseerElectionContext I am going to be the leader 188.138.57.78:8983_
   [junit4]   2> 1429487 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] o.a.s.c.Overseer 
Overseer (id=97412557254688771-188.138.57.78:8983_-n_0000000000) starting
   [junit4]   2> 1429489 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] o.a.s.c.ZkController 
Register node as live in ZooKeeper:/live_nodes/188.138.57.78:8983_
   [junit4]   2> 1429490 INFO  (zkCallback-1126-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1429538 WARN  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] 
o.a.s.m.r.SolrJmxReporter No serviceUrl or agentId was configured, using first 
MBeanServer.
   [junit4]   2> 1429540 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] 
o.a.s.m.r.SolrJmxReporter JMX monitoring enabled at server: 
com.sun.jmx.mbeanserver.JmxMBeanServer@163e15
   [junit4]   2> 1429540 WARN  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] 
o.a.s.m.r.SolrJmxReporter No serviceUrl or agentId was configured, using first 
MBeanServer.
   [junit4]   2> 1429543 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] 
o.a.s.m.r.SolrJmxReporter JMX monitoring enabled at server: 
com.sun.jmx.mbeanserver.JmxMBeanServer@163e15
   [junit4]   2> 1429543 WARN  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] 
o.a.s.m.r.SolrJmxReporter No serviceUrl or agentId was configured, using first 
MBeanServer.
   [junit4]   2> 1429544 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] 
o.a.s.m.r.SolrJmxReporter JMX monitoring enabled at server: 
com.sun.jmx.mbeanserver.JmxMBeanServer@163e15
   [junit4]   2> 1430547 INFO  (coreLoadExecutor-3790-thread-1) [    ] 
o.a.s.c.SolrResourceLoader [null] Added 2 libs to classloader, from paths: 
[/home/jenkins/workspace/Lucene-Solr-6.4-Linux/solr/core/src/test-files/solr/collection1/lib,
 
/home/jenkins/workspace/Lucene-Solr-6.4-Linux/solr/core/src/test-files/solr/collection1/lib/classes]
   [junit4]   2> 1430607 WARN  (coreLoadExecutor-3790-thread-1) [    ] 
o.a.s.c.Config Beginning with Solr 5.5, <mergePolicy> is deprecated, use 
<mergePolicyFactory> instead.
   [junit4]   2> 1430608 INFO  (coreLoadExecutor-3790-thread-1) [    ] 
o.a.s.c.SolrConfig Using Lucene MatchVersion: 6.4.1
   [junit4]   2> 1430625 INFO  (coreLoadExecutor-3790-thread-1) [    ] 
o.a.s.s.IndexSchema [collection1] Schema name=test
   [junit4]   2> 1430683 WARN  (coreLoadExecutor-3790-thread-1) [    ] 
o.a.s.s.IndexSchema [collection1] default search field in schema is text. 
WARNING: Deprecated, please use 'df' on request instead.
   [junit4]   2> 1430684 INFO  (coreLoadExecutor-3790-thread-1) [    ] 
o.a.s.s.IndexSchema Loaded schema test/1.0 with uniqueid field id
   [junit4]   2> 1430691 INFO  (coreLoadExecutor-3790-thread-1) [    ] 
o.a.s.c.CoreContainer Creating SolrCore 'collection1' using configuration from 
collection collection1
   [junit4]   2> 1430691 WARN  (coreLoadExecutor-3790-thread-1) [    ] 
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(TEST-BasicZkTest.testBasic-seed#[5DFA36307FEA60D4]) [    ] 
o.a.s.u.SolrIndexWriter Calling setCommitData with 
IW:org.apache.solr.update.SolrIndexWriter@18a83c2
   [junit4]   2> 1432103 INFO  
(TEST-BasicZkTest.testBasic-seed#[5DFA36307FEA60D4]) [    ] 
o.a.s.s.SolrIndexSearcher Opening [Searcher@14ce663[collection1] main]
   [junit4]   2> 1432103 INFO  
(TEST-BasicZkTest.testBasic-seed#[5DFA36307FEA60D4]) [    ] 
o.a.s.u.DirectUpdateHandler2 end_commit_flush
   [junit4]   2> 1432104 INFO  (searcherExecutor-3791-thread-1) [    ] 
o.a.s.c.SolrCore [collection1] Registered new searcher 
Searcher@14ce663[collection1] 
main{ExitableDirectoryReader(UninvertingDirectoryReader(Uninverting(_2(6.4.1):c2/1:delGen=1)
 Uninverting(_3(6.4.1):c6/3:delGen=2) Uninverting(_4(6.4.1):c1)))}
   [junit4]   2> 1432104 INFO  
(TEST-BasicZkTest.testBasic-seed#[5DFA36307FEA60D4]) [    ] 
o.a.s.u.p.LogUpdateProcessorFactory [collection1]  webapp=null path=null 
params={}{commit=} 0 4
   [junit4]   2> 1432104 INFO  
(TEST-BasicZkTest.testBasic-seed#[5DFA36307FEA60D4]) [    ] o.a.s.c.S.Request 
[collection1]  webapp=null path=null 
params={q=id:[100+TO+110]&qt=standard&start=0&rows=20&version=2.2} hits=3 
status=0 QTime=0
   [junit4]   2> 1432106 INFO  
(TEST-BasicZkTest.testBasic-seed#[5DFA36307FEA60D4]) [    ] 
o.a.s.u.p.LogUpdateProcessorFactory [collection1]  webapp=null path=null 
params={}{delete=[105 (-1558600919200825344)]} 0 1
   [junit4]   2> 1432106 INFO  
(TEST-BasicZkTest.testBasic-seed#[5DFA36307FEA60D4]) [    ] 
o.a.s.u.DirectUpdateHandler2 start 
commit{,optimize=false,openSearcher=true,waitSearcher=true,expungeDeletes=false,softCommit=false,prepareCommit=false}
   [junit4]   2> 1432106 INFO  
(TEST-BasicZkTest.testBasic-seed#[5DFA36307FEA60D4]) [    ] 
o.a.s.u.SolrIndexWriter Calling setCommitData with 
IW:org.apache.solr.update.SolrIndexWriter@18a83c2
   [junit4]   2> 1432106 INFO  
(TEST-BasicZkTest.testBasic-seed#[5DFA36307FEA60D4]) [    ] 
o.a.s.s.SolrIndexSearcher Opening [Searcher@129113e[collection1] main]
   [junit4]   2> 1432106 INFO  
(TEST-BasicZkTest.testBasic-seed#[5DFA36307FEA60D4]) [    ] 
o.a.s.u.DirectUpdateHandler2 end_commit_flush
   [junit4]   2> 1432107 INFO  (searcherExecutor-3791-thread-1) [    ] 
o.a.s.c.SolrCore [collection1] Registered new searcher 
Searcher@129113e[collection1] 
main{ExitableDirectoryReader(UninvertingDirectoryReader(Uninverting(_2(6.4.1):c2/1:delGen=1)
 Uninverting(_3(6.4.1):c6/4:delGen=3) Uninverting(_4(6.4.1):c1)))}
   [junit4]   2> 1432108 INFO  
(TEST-BasicZkTest.testBasic-seed#[5DFA36307FEA60D4]) [    ] 
o.a.s.u.p.LogUpdateProcessorFactory [collection1]  webapp=null path=null 
params={}{commit=} 0 1
   [junit4]   2> 1432108 INFO  
(TEST-BasicZkTest.testBasic-seed#[5DFA36307FEA60D4]) [    ] o.a.s.c.S.Request 
[collection1]  webapp=null path=null 
params={q=id:[100+TO+110]&qt=standard&start=0&rows=20&version=2.2} hits=2 
status=0 QTime=0
   [junit4]   2> 1432110 INFO  
(TEST-BasicZkTest.testBasic-seed#[5DFA36307FEA60D4]) [    ] 
o.a.s.s.SolrIndexSearcher Opening [Searcher@a5f96b[collection1] realtime]
   [junit4]   2> 1432110 INFO  
(TEST-BasicZkTest.testBasic-seed#[5DFA36307FEA60D4]) [    ] 
o.a.s.u.p.LogUpdateProcessorFactory [collection1]  webapp=null path=null 
params={}{deleteByQuery=id:[100 TO 110] (-1558600919205019648)} 0 2
   [junit4]   2> 1432110 INFO  
(TEST-BasicZkTest.testBasic-seed#[5DFA36307FEA60D4]) [    ] 
o.a.s.u.DirectUpdateHandler2 start 
commit{,optimize=false,openSearcher=true,waitSearcher=true,expungeDeletes=false,softCommit=false,prepareCommit=false}
   [junit4]   2> 1432110 INFO  
(TEST-BasicZkTest.testBasic-seed#[5DFA36307FEA60D4]) [    ] 
o.a.s.u.SolrIndexWriter Calling setCommitData with 
IW:org.apache.solr.update.SolrIndexWriter@18a83c2
   [junit4]   2> 1432111 INFO  
(TEST-BasicZkTest.testBasic-seed#[5DFA36307FEA60D4]) [    ] 
o.a.s.s.SolrIndexSearcher Opening [Searcher@14f796a[collection1] main]
   [junit4]   2> 1432111 INFO  
(TEST-BasicZkTest.testBasic-seed#[5DFA36307FEA60D4]) [    ] 
o.a.s.u.DirectUpdateHandler2 end_commit_flush
   [junit4]   2> 1432112 INFO  (searcherExecutor-3791-thread-1) [    ] 
o.a.s.c.SolrCore [collection1] Registered new searcher 
Searcher@14f796a[collection1] 
main{ExitableDirectoryReader(UninvertingDirectoryReader(Uninverting(_2(6.4.1):c2/1:delGen=1)
 Uninverting(_4(6.4.1):c1)))}
   [junit4]   2> 1432113 INFO  
(TEST-BasicZkTest.testBasic-seed#[5DFA36307FEA60D4]) [    ] 
o.a.s.u.p.LogUpdateProcessorFactory [collection1]  webapp=null path=null 
params={}{commit=} 0 2
   [junit4]   2> 1432113 INFO  
(TEST-BasicZkTest.testBasic-seed#[5DFA36307FEA60D4]) [    ] o.a.s.c.S.Request 
[collection1]  webapp=null path=null 
params={q=id:[100+TO+110]&qt=standard&start=0&rows=20&version=2.2} hits=0 
status=0 QTime=0
   [junit4]   2> 1432865 INFO  
(TEST-BasicZkTest.testBasic-seed#[5DFA36307FEA60D4]) [    ] 
o.a.s.c.SolrResourceLoader [null] Added 2 libs to classloader, from paths: 
[/home/jenkins/workspace/Lucene-Solr-6.4-Linux/solr/core/src/test-files/solr/collection1/lib,
 
/home/jenkins/workspace/Lucene-Solr-6.4-Linux/solr/core/src/test-files/solr/collection1/lib/classes]
   [junit4]   2> 1432927 INFO  
(TEST-BasicZkTest.testBasic-seed#[5DFA36307FEA60D4]) [    ] o.a.s.c.Config 
Ignoring exception matching solrconfig.xml
   [junit4]   2> 1432927 INFO  
(TEST-BasicZkTest.testBasic-seed#[5DFA36307FEA60D4]) [    ] 
o.a.s.SolrTestCaseJ4 ###Ending testBasic
   [junit4]   2> 1432928 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] o.a.s.SolrTestCaseJ4 
###deleteCore
   [junit4]   2> 1432928 INFO  
(SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker) [    ] o.a.s.SolrTestCaseJ4 
###deleteCore
   [junit4]   2> Feb 06, 2017 4:14:27 PM 
com.carrotsearch.randomizedtesting.ThreadLeakControl checkThreadLeaks
   [junit4]   2> WARNING: Will linger awaiting termination of 21 leaked 
thread(s).
   [junit4]   2> Feb 06, 2017 4:14:47 PM 
com.carrotsearch.randomizedtesting.ThreadLeakControl checkThreadLeaks
   [junit4]   2> SEVERE: 21 threads leaked from SUITE scope at 
org.apache.solr.cloud.BasicZkTest: 
   [junit4]   2>    1) Thread[id=8076, 
name=SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker-EventThread, 
state=WAITING, group=TGRP-BasicZkTest]
   [junit4]   2>         at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native 
Method)
   [junit4]   2>         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.park(LockSupport.java:192)
   [junit4]   2>         at 
java.base@9-ea/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
   [junit4]   2>         at 
java.base@9-ea/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
   [junit4]   2>         at 
app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)
   [junit4]   2>    2) Thread[id=8078, 
name=OverseerStateUpdate-97412557254688771-188.138.57.78:8983_-n_0000000000, 
state=TIMED_WAITING, group=Overseer state updater.]
   [junit4]   2>         at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native 
Method)
   [junit4]   2>         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
   [junit4]   2>         at 
java.base@9-ea/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
   [junit4]   2>         at 
app//org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:164)
   [junit4]   2>         at 
app//org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:138)
   [junit4]   2>         at 
app//org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:179)
   [junit4]   2>         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
   [junit4]   2>    3) Thread[id=8080, 
name=OverseerHdfsCoreFailoverThread-97412557254688771-188.138.57.78:8983_-n_0

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

kRegister-3783-thread-1, state=TIMED_WAITING, group=TGRP-BasicZkTest]
   [junit4]    >         at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native 
Method)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
   [junit4]    >         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
   [junit4]    >    3) Thread[id=8088, name=zkCallback-1126-thread-3, 
state=TIMED_WAITING, group=TGRP-BasicZkTest]
   [junit4]    >         at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native 
Method)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
   [junit4]    >         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
   [junit4]    >    4) Thread[id=8082, name=Thread-2172, state=WAITING, 
group=TGRP-BasicZkTest]
   [junit4]    >         at java.base@9-ea/java.lang.Object.wait(Native Method)
   [junit4]    >         at 
java.base@9-ea/java.lang.Object.wait(Object.java:516)
   [junit4]    >         at 
app//org.apache.solr.core.CloserThread.run(CoreContainer.java:1335)
   [junit4]    >    5) Thread[id=8091, name=zkCallback-1126-thread-6, 
state=TIMED_WAITING, group=TGRP-BasicZkTest]
   [junit4]    >         at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native 
Method)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
   [junit4]    >         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
   [junit4]    >    6) Thread[id=8087, name=zkCallback-1126-thread-2, 
state=TIMED_WAITING, group=TGRP-BasicZkTest]
   [junit4]    >         at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native 
Method)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
   [junit4]    >         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
   [junit4]    >    7) Thread[id=8075, 
name=SUITE-BasicZkTest-seed#[5DFA36307FEA60D4]-worker-SendThread(127.0.0.1:38157),
 state=TIMED_WAITING, group=TGRP-BasicZkTest]
   [junit4]    >         at java.base@9-ea/java.lang.Thread.sleep(Native Method)
   [junit4]    >         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:994)
   [junit4]    >    8) Thread[id=8089, name=zkCallback-1126-thread-4, 
state=TIMED_WAITING, group=TGRP-BasicZkTest]
   [junit4]    >         at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native 
Method)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
   [junit4]    >         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
   [junit4]    >    9) Thread[id=8090, name=zkCallback-1126-thread-5, 
state=TIMED_WAITING, group=TGRP-BasicZkTest]
   [junit4]    >         at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native 
Method)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
   [junit4]    >         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
   [junit4]    >   10) Thread[id=8077, name=zkCallback-1126-thread-1, 
state=TIMED_WAITING, group=TGRP-BasicZkTest]
   [junit4]    >         at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native 
Method)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
   [junit4]    >         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
   [junit4]    >   11) Thread[id=8083, name=watches-1127-thread-1, 
state=TIMED_WAITING, group=TGRP-BasicZkTest]
   [junit4]    >         at java.base@9-ea/jdk.internal.misc.Unsafe.park(Native 
Method)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:232)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1085)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
   [junit4]    >         at 
java.base@9-ea/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
   [junit4]    >         at java.base@9-ea/java.lang.Thread.run(Thread.java:844)
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([5DFA36307FEA60D4]:0)
   [junit4] Completed [445/680 (1!)] on J0 in 27.09s, 1 test, 4 errors <<< 
FAILURES!

[...truncated 52328 lines...]

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