Build: https://jenkins.thetaphi.de/job/Lucene-Solr-master-Linux/23189/
Java: 32bit/jdk1.8.0_172 -server -XX:+UseSerialGC

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

Error Message:
SolrCore.getOpenCount()==2

Stack Trace:
java.lang.RuntimeException: SolrCore.getOpenCount()==2
        at __randomizedtesting.SeedInfo.seed([8C7739561E299AE7]:0)
        at org.apache.solr.util.TestHarness.close(TestHarness.java:380)
        at org.apache.solr.SolrTestCaseJ4.deleteCore(SolrTestCaseJ4.java:802)
        at 
org.apache.solr.cloud.AbstractZkTestCase.azt_afterClass(AbstractZkTestCase.java:147)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1742)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:898)
        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 
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.lang.Thread.run(Thread.java:748)


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([8C7739561E299AE7]:0)
        at org.apache.solr.util.TestHarness.close(TestHarness.java:380)
        at org.apache.solr.SolrTestCaseJ4.deleteCore(SolrTestCaseJ4.java:802)
        at 
org.apache.solr.SolrTestCaseJ4.teardownTestCases(SolrTestCaseJ4.java:297)
        at sun.reflect.GeneratedMethodAccessor61.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1742)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:898)
        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 
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.lang.Thread.run(Thread.java:748)


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

Error Message:
25 threads leaked from SUITE scope at org.apache.solr.cloud.BasicZkTest:     1) 
Thread[id=13617, name=ScheduledTrigger-5708-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at sun.misc.Unsafe.park(Native Method)         
at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)       
  at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)    2) Thread[id=13620, 
name=ScheduledTrigger-5708-thread-4, state=WAITING, group=TGRP-BasicZkTest]     
    at sun.misc.Unsafe.park(Native Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)    3) Thread[id=13607, 
name=SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker-EventThread, 
state=WAITING, group=TGRP-BasicZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)     
    at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)    
4) Thread[id=13612, name=zkConnectionManagerCallback-3762-thread-1, 
state=WAITING, group=TGRP-BasicZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)     
    at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)    5) Thread[id=13602, 
name=Connection evictor, state=TIMED_WAITING, group=TGRP-BasicZkTest]         
at java.lang.Thread.sleep(Native Method)         at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.lang.Thread.run(Thread.java:748)    6) Thread[id=13624, 
name=Thread-3313, state=WAITING, group=TGRP-BasicZkTest]         at 
java.lang.Object.wait(Native Method)         at 
java.lang.Object.wait(Object.java:502)         at 
org.apache.solr.core.CloserThread.run(CoreContainer.java:1857)    7) 
Thread[id=13601, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at java.lang.Thread.sleep(Native Method)        
 at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.lang.Thread.run(Thread.java:748)    8) Thread[id=13600, 
name=Connection evictor, state=TIMED_WAITING, group=TGRP-BasicZkTest]         
at java.lang.Thread.sleep(Native Method)         at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.lang.Thread.run(Thread.java:748)    9) Thread[id=13634, 
name=Thread-3314, state=WAITING, group=TGRP-BasicZkTest]         at 
java.lang.Object.wait(Native Method)         at 
java.lang.Thread.join(Thread.java:1252)         at 
java.lang.Thread.join(Thread.java:1326)         at 
org.apache.zookeeper.server.NIOServerCnxnFactory.join(NIOServerCnxnFactory.java:313)
         at 
org.apache.solr.cloud.ZkTestServer$ZKServerMain.runFromConfig(ZkTestServer.java:313)
         at org.apache.solr.cloud.ZkTestServer$2.run(ZkTestServer.java:496)   
10) Thread[id=13608, name=zkConnectionManagerCallback-3755-thread-1, 
state=WAITING, group=TGRP-BasicZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)     
    at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   11) Thread[id=13635, 
name=NIOServerCxn.Factory:0.0.0.0/0.0.0.0:43637, state=RUNNABLE, 
group=TGRP-BasicZkTest]         at 
sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at 
sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at 
sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)         at 
sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at 
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at 
org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:196)
         at java.lang.Thread.run(Thread.java:748)   12) Thread[id=13610, 
name=SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker-SendThread(127.0.0.1:43637),
 state=RUNNABLE, group=TGRP-BasicZkTest]         at 
sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at 
sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at 
sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)         at 
sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at 
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
         at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1144)   13) 
Thread[id=13642, name=SolrRrdBackendFactory-5712-thread-2, state=WAITING, 
group=TGRP-BasicZkTest]         at sun.misc.Unsafe.park(Native Method)         
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   14) Thread[id=13613, 
name=OverseerCollectionConfigSetProcessor-72143193658556419-88.99.242.108:8983_-n_0000000000,
 state=TIMED_WAITING, group=Overseer collection creation process.]         at 
sun.misc.Unsafe.park(Native Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
         at 
org.apache.solr.cloud.ZkDistributedQueue.peekElements(ZkDistributedQueue.java:463)
         at 
org.apache.solr.cloud.OverseerTaskQueue.peekTopN(OverseerTaskQueue.java:243)    
     at 
org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:233) 
        at java.lang.Thread.run(Thread.java:748)   15) Thread[id=13614, 
name=OverseerAutoScalingTriggerThread-72143193658556419-88.99.242.108:8983_-n_0000000000,
 state=WAITING, group=Overseer autoscaling triggers]         at 
sun.misc.Unsafe.park(Native Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:189)
         at java.lang.Thread.run(Thread.java:748)   16) Thread[id=13611, 
name=SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker-EventThread, 
state=WAITING, group=TGRP-BasicZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)     
    at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)   
17) Thread[id=13626, name=searcherExecutor-5715-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]         at sun.misc.Unsafe.park(Native Method)         
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)     
    at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   18) Thread[id=13606, 
name=SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker-SendThread(127.0.0.1:43637),
 state=RUNNABLE, group=TGRP-BasicZkTest]         at 
sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at 
sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at 
sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)         at 
sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at 
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
         at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1144)   19) 
Thread[id=13619, name=ScheduledTrigger-5708-thread-3, state=WAITING, 
group=TGRP-BasicZkTest]         at sun.misc.Unsafe.park(Native Method)         
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   20) Thread[id=13618, 
name=ScheduledTrigger-5708-thread-2, state=WAITING, group=TGRP-BasicZkTest]     
    at sun.misc.Unsafe.park(Native Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   21) Thread[id=13622, 
name=MetricsHistoryHandler-5713-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]         at sun.misc.Unsafe.park(Native Method)         
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1081)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   22) Thread[id=13609, 
name=OverseerStateUpdate-72143193658556419-88.99.242.108:8983_-n_0000000000, 
state=TIMED_WAITING, group=Overseer state updater.]         at 
sun.misc.Unsafe.park(Native Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
         at 
org.apache.solr.cloud.ZkDistributedQueue.peekElements(ZkDistributedQueue.java:463)
         at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:207)       
  at java.lang.Thread.run(Thread.java:748)   23) Thread[id=13621, 
name=SolrRrdBackendFactory-5712-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at sun.misc.Unsafe.park(Native Method)         
at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)       
  at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   24) Thread[id=13636, 
name=SessionTracker, state=TIMED_WAITING, group=TGRP-BasicZkTest]         at 
java.lang.Object.wait(Native Method)         at 
org.apache.zookeeper.server.SessionTrackerImpl.run(SessionTrackerImpl.java:147) 
  25) Thread[id=13638, name=ProcessThread(sid:0 cport:43637):, state=WAITING, 
group=TGRP-BasicZkTest]         at sun.misc.Unsafe.park(Native Method)         
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)     
    at 
org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:123)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 25 threads leaked from 
SUITE scope at org.apache.solr.cloud.BasicZkTest: 
   1) Thread[id=13617, name=ScheduledTrigger-5708-thread-1, 
state=TIMED_WAITING, group=TGRP-BasicZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   2) Thread[id=13620, name=ScheduledTrigger-5708-thread-4, state=WAITING, 
group=TGRP-BasicZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   3) Thread[id=13607, 
name=SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker-EventThread, 
state=WAITING, group=TGRP-BasicZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)
   4) Thread[id=13612, name=zkConnectionManagerCallback-3762-thread-1, 
state=WAITING, group=TGRP-BasicZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   5) Thread[id=13602, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at java.lang.Thread.run(Thread.java:748)
   6) Thread[id=13624, name=Thread-3313, state=WAITING, group=TGRP-BasicZkTest]
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:502)
        at org.apache.solr.core.CloserThread.run(CoreContainer.java:1857)
   7) Thread[id=13601, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at java.lang.Thread.run(Thread.java:748)
   8) Thread[id=13600, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at java.lang.Thread.run(Thread.java:748)
   9) Thread[id=13634, name=Thread-3314, state=WAITING, group=TGRP-BasicZkTest]
        at java.lang.Object.wait(Native Method)
        at java.lang.Thread.join(Thread.java:1252)
        at java.lang.Thread.join(Thread.java:1326)
        at 
org.apache.zookeeper.server.NIOServerCnxnFactory.join(NIOServerCnxnFactory.java:313)
        at 
org.apache.solr.cloud.ZkTestServer$ZKServerMain.runFromConfig(ZkTestServer.java:313)
        at org.apache.solr.cloud.ZkTestServer$2.run(ZkTestServer.java:496)
  10) Thread[id=13608, name=zkConnectionManagerCallback-3755-thread-1, 
state=WAITING, group=TGRP-BasicZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  11) Thread[id=13635, name=NIOServerCxn.Factory:0.0.0.0/0.0.0.0:43637, 
state=RUNNABLE, group=TGRP-BasicZkTest]
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at 
org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:196)
        at java.lang.Thread.run(Thread.java:748)
  12) Thread[id=13610, 
name=SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker-SendThread(127.0.0.1:43637),
 state=RUNNABLE, group=TGRP-BasicZkTest]
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1144)
  13) Thread[id=13642, name=SolrRrdBackendFactory-5712-thread-2, state=WAITING, 
group=TGRP-BasicZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  14) Thread[id=13613, 
name=OverseerCollectionConfigSetProcessor-72143193658556419-88.99.242.108:8983_-n_0000000000,
 state=TIMED_WAITING, group=Overseer collection creation process.]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at 
org.apache.solr.cloud.ZkDistributedQueue.peekElements(ZkDistributedQueue.java:463)
        at 
org.apache.solr.cloud.OverseerTaskQueue.peekTopN(OverseerTaskQueue.java:243)
        at 
org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:233)
        at java.lang.Thread.run(Thread.java:748)
  15) Thread[id=13614, 
name=OverseerAutoScalingTriggerThread-72143193658556419-88.99.242.108:8983_-n_0000000000,
 state=WAITING, group=Overseer autoscaling triggers]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
org.apache.solr.cloud.autoscaling.OverseerTriggerThread.run(OverseerTriggerThread.java:189)
        at java.lang.Thread.run(Thread.java:748)
  16) Thread[id=13611, 
name=SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker-EventThread, 
state=WAITING, group=TGRP-BasicZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)
  17) Thread[id=13626, name=searcherExecutor-5715-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  18) Thread[id=13606, 
name=SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker-SendThread(127.0.0.1:43637),
 state=RUNNABLE, group=TGRP-BasicZkTest]
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1144)
  19) Thread[id=13619, name=ScheduledTrigger-5708-thread-3, state=WAITING, 
group=TGRP-BasicZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  20) Thread[id=13618, name=ScheduledTrigger-5708-thread-2, state=WAITING, 
group=TGRP-BasicZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  21) Thread[id=13622, name=MetricsHistoryHandler-5713-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1081)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  22) Thread[id=13609, 
name=OverseerStateUpdate-72143193658556419-88.99.242.108:8983_-n_0000000000, 
state=TIMED_WAITING, group=Overseer state updater.]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at 
org.apache.solr.cloud.ZkDistributedQueue.peekElements(ZkDistributedQueue.java:463)
        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:207)
        at java.lang.Thread.run(Thread.java:748)
  23) Thread[id=13621, name=SolrRrdBackendFactory-5712-thread-1, 
state=TIMED_WAITING, group=TGRP-BasicZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  24) Thread[id=13636, name=SessionTracker, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
        at java.lang.Object.wait(Native Method)
        at 
org.apache.zookeeper.server.SessionTrackerImpl.run(SessionTrackerImpl.java:147)
  25) Thread[id=13638, name=ProcessThread(sid:0 cport:43637):, state=WAITING, 
group=TGRP-BasicZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at 
org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:123)
        at __randomizedtesting.SeedInfo.seed([8C7739561E299AE7]: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=13642, name=SolrRrdBackendFactory-5712-thread-2, state=WAITING, 
group=TGRP-BasicZkTest]         at sun.misc.Unsafe.park(Native Method)         
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)    2) Thread[id=13617, 
name=ScheduledTrigger-5708-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]         at sun.misc.Unsafe.park(Native Method)         
at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)       
  at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)    3) Thread[id=13620, 
name=ScheduledTrigger-5708-thread-4, state=WAITING, group=TGRP-BasicZkTest]     
    at sun.misc.Unsafe.park(Native Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)    4) Thread[id=13626, 
name=searcherExecutor-5715-thread-1, state=WAITING, group=TGRP-BasicZkTest]     
    at sun.misc.Unsafe.park(Native Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)     
    at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)    5) Thread[id=13606, 
name=SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker-SendThread(127.0.0.1:43637),
 state=TIMED_WAITING, group=TGRP-BasicZkTest]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:105)
         at 
org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1000)   
      at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1063)   
 6) Thread[id=13619, name=ScheduledTrigger-5708-thread-3, state=WAITING, 
group=TGRP-BasicZkTest]         at sun.misc.Unsafe.park(Native Method)         
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)    7) Thread[id=13612, 
name=zkConnectionManagerCallback-3762-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]         at sun.misc.Unsafe.park(Native Method)         
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)     
    at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)    8) Thread[id=13624, 
name=Thread-3313, state=WAITING, group=TGRP-BasicZkTest]         at 
java.lang.Object.wait(Native Method)         at 
java.lang.Object.wait(Object.java:502)         at 
org.apache.solr.core.CloserThread.run(CoreContainer.java:1857)    9) 
Thread[id=13618, name=ScheduledTrigger-5708-thread-2, state=WAITING, 
group=TGRP-BasicZkTest]         at sun.misc.Unsafe.park(Native Method)         
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   10) Thread[id=13622, 
name=MetricsHistoryHandler-5713-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]         at sun.misc.Unsafe.park(Native Method)         
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1081)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   11) Thread[id=13608, 
name=zkConnectionManagerCallback-3755-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]         at sun.misc.Unsafe.park(Native Method)         
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)     
    at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   12) Thread[id=13610, 
name=SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker-SendThread(127.0.0.1:43637),
 state=TIMED_WAITING, group=TGRP-BasicZkTest]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:105)
         at 
org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1000)   
      at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1063)   
13) Thread[id=13621, name=SolrRrdBackendFactory-5712-thread-1, 
state=TIMED_WAITING, group=TGRP-BasicZkTest]         at 
sun.misc.Unsafe.park(Native Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: There are still zombie 
threads that couldn't be terminated:
   1) Thread[id=13642, name=SolrRrdBackendFactory-5712-thread-2, state=WAITING, 
group=TGRP-BasicZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   2) Thread[id=13617, name=ScheduledTrigger-5708-thread-1, 
state=TIMED_WAITING, group=TGRP-BasicZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   3) Thread[id=13620, name=ScheduledTrigger-5708-thread-4, state=WAITING, 
group=TGRP-BasicZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   4) Thread[id=13626, name=searcherExecutor-5715-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   5) Thread[id=13606, 
name=SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker-SendThread(127.0.0.1:43637),
 state=TIMED_WAITING, group=TGRP-BasicZkTest]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:105)
        at 
org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1000)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1063)
   6) Thread[id=13619, name=ScheduledTrigger-5708-thread-3, state=WAITING, 
group=TGRP-BasicZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   7) Thread[id=13612, name=zkConnectionManagerCallback-3762-thread-1, 
state=WAITING, group=TGRP-BasicZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   8) Thread[id=13624, name=Thread-3313, state=WAITING, group=TGRP-BasicZkTest]
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:502)
        at org.apache.solr.core.CloserThread.run(CoreContainer.java:1857)
   9) Thread[id=13618, name=ScheduledTrigger-5708-thread-2, state=WAITING, 
group=TGRP-BasicZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  10) Thread[id=13622, name=MetricsHistoryHandler-5713-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1081)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  11) Thread[id=13608, name=zkConnectionManagerCallback-3755-thread-1, 
state=WAITING, group=TGRP-BasicZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  12) Thread[id=13610, 
name=SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker-SendThread(127.0.0.1:43637),
 state=TIMED_WAITING, group=TGRP-BasicZkTest]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:105)
        at 
org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1000)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1063)
  13) Thread[id=13621, name=SolrRrdBackendFactory-5712-thread-1, 
state=TIMED_WAITING, group=TGRP-BasicZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
        at __randomizedtesting.SeedInfo.seed([8C7739561E299AE7]:0)




Build Log:
[...truncated 13869 lines...]
   [junit4] Suite: org.apache.solr.cloud.BasicZkTest
   [junit4]   2> 1418354 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-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_8C7739561E299AE7-001/init-core-data-001
   [junit4]   2> 1418355 WARN  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker) [    ] o.a.s.SolrTestCaseJ4 
startTrackingSearchers: numOpens=33 numCloses=33
   [junit4]   2> 1418355 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker) [    ] o.a.s.SolrTestCaseJ4 
Using TrieFields (NUMERIC_POINTS_SYSPROP=false) 
w/NUMERIC_DOCVALUES_SYSPROP=false
   [junit4]   2> 1418356 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker) [    ] o.a.s.SolrTestCaseJ4 
Randomized ssl (true) and clientAuth (true) via: 
@org.apache.solr.util.RandomizeSSL(reason=, ssl=NaN, value=NaN, clientAuth=NaN)
   [junit4]   2> 1418356 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker) [    ] o.a.s.c.ZkTestServer 
STARTING ZK TEST SERVER
   [junit4]   2> 1418357 INFO  (Thread-3312) [    ] o.a.s.c.ZkTestServer client 
port:0.0.0.0/0.0.0.0:0
   [junit4]   2> 1418357 INFO  (Thread-3312) [    ] o.a.s.c.ZkTestServer 
Starting server
   [junit4]   2> 1418358 ERROR (Thread-3312) [    ] 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> 1418457 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker) [    ] o.a.s.c.ZkTestServer 
start zk server on port:43637
   [junit4]   2> 1418458 INFO  (zkConnectionManagerCallback-3747-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1418461 INFO  (zkConnectionManagerCallback-3749-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1418465 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-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> 1418465 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-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> 1418466 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-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> 1418466 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-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> 1418467 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-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> 1418467 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-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> 1418468 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-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> 1418468 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-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> 1418469 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-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> 1418469 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-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> 1418470 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-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> 1418471 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker) [    ] o.a.s.SolrTestCaseJ4 
####initCore
   [junit4]   2> 1418471 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-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> 1418506 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker) [    ] o.a.s.c.SolrConfig 
Using Lucene MatchVersion: 8.0.0
   [junit4]   2> 1418518 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker) [    ] o.a.s.s.IndexSchema 
[null] Schema name=test
   [junit4]   2> 1418574 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker) [    ] o.a.s.s.IndexSchema 
Loaded schema test/1.0 with uniqueid field id
   [junit4]   2> 1418708 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker) [    ] o.a.s.c.ZkContainer 
Zookeeper client=127.0.0.1:43637/solr
   [junit4]   2> 1418709 INFO  (zkConnectionManagerCallback-3753-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1418711 INFO  (zkConnectionManagerCallback-3755-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1418738 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-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> 1418739 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker) [n:88.99.242.108:8983_    ] 
o.a.s.c.Overseer Overseer 
(id=72143193658556419-88.99.242.108:8983_-n_0000000000) starting
   [junit4]   2> 1418741 INFO  (zkConnectionManagerCallback-3762-thread-1) [    
] o.a.s.c.c.ConnectionManager zkClient has connected
   [junit4]   2> 1418742 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker) [n:88.99.242.108:8983_    ] 
o.a.s.c.s.i.ZkClientClusterStateProvider Cluster at 127.0.0.1:43637/solr ready
   [junit4]   2> 1418742 INFO  
(OverseerStateUpdate-72143193658556419-88.99.242.108:8983_-n_0000000000) 
[n:88.99.242.108:8983_    ] o.a.s.c.Overseer Starting to work on the main queue 
: 88.99.242.108:8983_
   [junit4]   2> 1418742 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-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> 1418743 INFO  
(OverseerStateUpdate-72143193658556419-88.99.242.108:8983_-n_0000000000) 
[n:88.99.242.108:8983_    ] o.a.s.c.c.ZkStateReader Updated live nodes from 
ZooKeeper... (0) -> (1)
   [junit4]   2> 1418746 INFO  (zkCallback-3761-thread-1) [    ] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) -> (1)
   [junit4]   2> 1418754 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker) [n:88.99.242.108:8983_    ] 
o.a.s.h.a.MetricsHistoryHandler No .system collection, keeping metrics history 
in memory.
   [junit4]   2> 1418765 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker) [n:88.99.242.108:8983_    ] 
o.a.s.m.r.SolrJmxReporter JMX monitoring for 'solr.node' (registry 'solr.node') 
enabled at server: com.sun.jmx.mbeanserver.JmxMBeanServer@14d9cf7
   [junit4]   2> 1418770 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker) [n:88.99.242.108:8983_    ] 
o.a.s.m.r.SolrJmxReporter JMX monitoring for 'solr.jvm' (registry 'solr.jvm') 
enabled at server: com.sun.jmx.mbeanserver.JmxMBeanServer@14d9cf7
   [junit4]   2> 1418770 INFO  
(SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker) [n:88.99.242.108:8983_    ] 
o.a.s.m.r.SolrJmxReporter JMX monitoring for 'solr.jetty' (registry 
'solr.jetty') enabled at server: com.sun.jmx.mbeanserver.JmxMBeanServer@14d9cf7
   [junit4]   2> 1418771 INFO  
(coreLoadExecutor-5714-thread-1-processing-n:88.99.242.108:8983_) 
[n:88.99.242.108:8983_    ] o.a.s.c.TransientSolrCoreCacheDefault Allocating 
transient cache for 2147483647 transient cores
   [junit4]   2> 1418772 DEBUG 
(OverseerStateUpdate-72143193658556419-88.99.242.108:8983_-n_0000000000) 
[n:88.99.242.108:8983_    ] o.a.s.c.Overseer processMessage: queueSize: 1, 
message = {
   [junit4]   2>   "core":"collection1",
   [junit4]   2>   "core_node_name":"88.99.242.108:8983__collection1",
   [junit4]   2>   "roles":null,
   [junit4]   2>   "base_url":"http://88.99.242.108:8983";,
   [junit4]   2>   "node_name":"88.99.242.108:8983_",
   [junit4]   2>   "state":"down",
   [junit4]   2>   "shard":"shard1",
   [junit4]   2>   "collection":"collection1",
   [junit4]   2>   "type":"NRT",
   [junit4]   2>   "operation":"state"} current state version: 0
   [junit4]   2> 1419773 INFO  
(coreLoadExecutor-5714-thread-1-processing-n:88.99.242.108:8983_) 
[n:88.99.242.108:8983_ c:collection1 s:shard1  x:collection1] 
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> 1419798 INFO  
(coreLoadExecutor-5714-thread-1-processing-n:88.99.242.108:8983_) 
[n:88.99.242.108:8983_ c:collection1 s:shard1  x:collection1] 
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'solr.core.collection1.shard1.88.99.242.108:8983__collection1' (registry 
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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_8C7739561E299AE7-001/init-core-data-001/]
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x:collection1] o.a.s.c.SolrCore [collection1] Registered new searcher 
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Successful update of terms at /collections/collection1/terms/shard1 to 
Terms{values={88.99.242.108:8983__collection1=0}, version=0}
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o.a.s.SolrTestCaseJ4 ####initCore end
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o.a.s.c.ShardLeaderElectionContext I may be the new leader - try and sync
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message = {
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main{ExitableDirectoryReader(UninvertingDirectoryReader(Uninverting(_1(8.0.0):C2/1:delGen=1)))}
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   [junit4]   2> 1420163 INFO  
(searcherExecutor-5715-thread-1-processing-n:88.99.242.108:8983_) 
[n:88.99.242.108:8983_    ] o.a.s.c.SolrCore [collection1] Registered new 
searcher Searcher@ac10b3[collection1] 
main{ExitableDirectoryReader(UninvertingDirectoryReader(Uninverting(_2(8.0.0):C2/1:delGen=1)))}
   [junit4]   2> 1420163 INFO  
(TEST-BasicZkTest.testBasic-seed#[8C7739561E299AE7]) [n:88.99.242.108:8983_    
] o.a.s.u.p.LogUpdateProcessorFactory [collection1]  webapp=null path=null 
params={}{commit=} 0 4
   [junit4]   2> 1420163 INFO  
(TEST-BasicZkTest.testBasic-seed#[8C7739561E299AE7]) [n:88.99.242.108:8983_    
] o.a.s.c.S.Request [collection1]  webapp=null path=null 
params={q=id:42&qt=&start=0&rows=20&version=2.2} hits=1 status=0 QTime=0
   [junit4]   2> 1420164 INFO  
(TEST-BasicZkTest.testBasic-seed#[8C7739561E299AE7]) [n:88.99.242.108:8983_    
] o.a.s.u.p.LogUpdateProcessorFactory [collection1]  webapp=null path=null 
params={}{add=[101 (1616832779793727488)]} 0 0
   [junit4]   2> 1420164 INFO  
(TEST-BasicZkTest.testBasic-seed#[8C7739561E299AE7]) [n:88.99.242.108:8983_    
] o.a.s.u.p.LogUpdateProcessorFactory [collection1]  webapp=null path=null 
params={}{add=[101 (1616832779794776064)]} 0 0
   [junit4]   2> 1420165 INFO  
(TEST-BasicZkTest.testBasic-seed#[8C7739561E299AE7]) [n:88.99.242.108:8983_    
] o.a.s.u.p.LogUpdateProcessorFactory [collection1]  webapp=null path=null 
params={}{add=[105 (1616832779795824640)]} 0 0
   [junit4]   2> 1420165 INFO  
(TEST-BasicZkTest.testBasic-seed#[8C7739561E299AE7]) [n:88.99.242.108:8983_    
] o.a.s.u.p.LogUpdateProcessorFactory [collection1]  webapp=null path=null 
params={}{add=[102 (1616832779795824641)]} 0 0
   [junit4]   2> 1420165 INFO  
(TEST-BasicZkTest.testBasic-seed#[8C7739561E299AE7]) [n:88.99.242.108:8983_    
] o.a.s.u.p.LogUpdateProcessorFactory [collection1]  webapp=null path=null 
params={}{add=[103 (1616832779795824642)]} 0 0
   [junit4]   2> 1420165 INFO  
(TEST-BasicZkTest.testBasic-seed#[8C7739561E299AE7]) [n:88.99.242.108:8983_    
] o.a.s.u.p.LogUpdateProcessorFactory [collection1]  webapp=null path=null 
params={}{add=[101 (1616832779795824643)]} 0 0
   [junit4]   2> 1420165 INFO  
(TEST-BasicZkTest.testBasic-seed#[8C7739561E299AE7]) [n:88.99.242.108:8983_    
] o.a.s.u.DirectUpdateHandler2 start 
commit{_version_=1616832779795824644,optimize=false,openSearcher=true,waitSearcher=true,expungeDeletes=false,softCommit=false,prepareCommit=false}
   [junit4]   2> 1420166 INFO  
(TEST-BasicZkTest.testBasic-seed#[8C7739561E299AE7]) [n:88.99.242.108:8983_    
] o.a.s.u.SolrIndexWriter Calling setCommitData with 
IW:org.apache.solr.update.SolrIndexWriter@666709 
commitCommandVersion:1616832779795824644
   [junit4]   2> 1420168 INFO  
(TEST-BasicZkTest.testBasic-seed#[8C7739561E299AE7]) [n:88.99.242.108:8983_    
] o.a.s.s.SolrIndexSearcher Opening [Searcher@1f5fcce[collection1] main]
   [junit4]   2> 1420169 INFO  
(TEST-BasicZkTest.testBasic-seed#[8C7739561E299AE7]) [n:88.99.242.108:8983_    
] o.a.s.u.DirectUpdateHandler2 end_commit_flush
   [junit4]   2> 1420170 INFO  
(searcherExecutor-5715-thread-1-processing-n:88.99.242.108:8983_) 
[n:88.99.242.108:8983_    ] o.a.s.c.SolrCore [collection1] Registered new 
searcher Searcher@1f5fcce[collection1] 
main{ExitableDirectoryReader(UninvertingDirectoryReader(Uninverting(_2(8.0.0):C2/1:delGen=1)
 Uninverting(_3(8.0.0):C6/2:delGen=1)))}
   [junit4]   2> 1420170 INFO  
(TEST-BasicZkTest.testBasic-seed#[8C7739561E299AE7]) [n:88.99.242.108:8983_    
] o.a.s.u.p.LogUpdateProcessorFactory [collection1]  webapp=null path=null 
params={}{commit=} 0 4
   [junit4]   2> 1420170 ERROR 
(TEST-BasicZkTest.testBasic-seed#[8C7739561E299AE7]) [n:88.99.242.108:8983_    
] 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>

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

olExecutor.java:1134)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >    4) Thread[id=13626, name=searcherExecutor-5715-thread-1, 
state=WAITING, group=TGRP-BasicZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
   [junit4]    >         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >    5) Thread[id=13606, 
name=SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker-SendThread(127.0.0.1:43637),
 state=TIMED_WAITING, group=TGRP-BasicZkTest]
   [junit4]    >         at java.lang.Thread.sleep(Native Method)
   [junit4]    >         at 
org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:105)
   [junit4]    >         at 
org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1000)
   [junit4]    >         at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1063)
   [junit4]    >    6) Thread[id=13619, name=ScheduledTrigger-5708-thread-3, 
state=WAITING, group=TGRP-BasicZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
   [junit4]    >         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
   [junit4]    >         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >    7) Thread[id=13612, 
name=zkConnectionManagerCallback-3762-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
   [junit4]    >         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >    8) Thread[id=13624, name=Thread-3313, state=WAITING, 
group=TGRP-BasicZkTest]
   [junit4]    >         at java.lang.Object.wait(Native Method)
   [junit4]    >         at java.lang.Object.wait(Object.java:502)
   [junit4]    >         at 
org.apache.solr.core.CloserThread.run(CoreContainer.java:1857)
   [junit4]    >    9) Thread[id=13618, name=ScheduledTrigger-5708-thread-2, 
state=WAITING, group=TGRP-BasicZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
   [junit4]    >         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
   [junit4]    >         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >   10) Thread[id=13622, 
name=MetricsHistoryHandler-5713-thread-1, state=WAITING, group=TGRP-BasicZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
   [junit4]    >         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1081)
   [junit4]    >         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >   11) Thread[id=13608, 
name=zkConnectionManagerCallback-3755-thread-1, state=WAITING, 
group=TGRP-BasicZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
   [junit4]    >         at 
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >   12) Thread[id=13610, 
name=SUITE-BasicZkTest-seed#[8C7739561E299AE7]-worker-SendThread(127.0.0.1:43637),
 state=TIMED_WAITING, group=TGRP-BasicZkTest]
   [junit4]    >         at java.lang.Thread.sleep(Native Method)
   [junit4]    >         at 
org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:105)
   [junit4]    >         at 
org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1000)
   [junit4]    >         at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1063)
   [junit4]    >   13) Thread[id=13621, 
name=SolrRrdBackendFactory-5712-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
   [junit4]    >         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
   [junit4]    >         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
   [junit4]    >         at 
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([8C7739561E299AE7]:0)
   [junit4] Completed [386/835 (1!)] on J2 in 86.62s, 1 test, 4 errors <<< 
FAILURES!

[...truncated 46494 lines...]
[repro] Jenkins log URL: 
https://jenkins.thetaphi.de/job/Lucene-Solr-master-Linux/23189/consoleText

[repro] Revision: 52998fa50e60ce9c7f49167b1ab107347c30d8d6

[repro] Ant options: "-Dargs=-server -XX:+UseSerialGC"
[repro] Repro line:  ant test  -Dtestcase=BasicZkTest 
-Dtests.seed=8C7739561E299AE7 -Dtests.multiplier=3 -Dtests.slow=true 
-Dtests.locale=es-DO -Dtests.timezone=Europe/Brussels -Dtests.asserts=true 
-Dtests.file.encoding=US-ASCII

[repro] ant clean

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

[...truncated 3568 lines...]
[repro] ant test-nocompile -Dtests.dups=5 -Dtests.maxfailures=5 
-Dtests.class="*.BasicZkTest" -Dtests.showOutput=onerror "-Dargs=-server 
-XX:+UseSerialGC" -Dtests.seed=8C7739561E299AE7 -Dtests.multiplier=3 
-Dtests.slow=true -Dtests.locale=es-DO -Dtests.timezone=Europe/Brussels 
-Dtests.asserts=true -Dtests.file.encoding=US-ASCII

[...truncated 71 lines...]
[repro] Failures:
[repro]   0/5 failed: org.apache.solr.cloud.BasicZkTest
[repro] Exiting with code 0

[...truncated 40 lines...]
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