Build: https://builds.apache.org/job/Lucene-Solr-Tests-7.x/161/

4 tests failed.
FAILED:  org.apache.solr.cloud.BasicDistributedZkTest.test

Error Message:
Timeout occured while waiting response from server at: http://127.0.0.1:44325

Stack Trace:
org.apache.solr.client.solrj.SolrServerException: Timeout occured while waiting 
response from server at: http://127.0.0.1:44325
        at 
__randomizedtesting.SeedInfo.seed([F545586B56B607DC:7D1167B1F84A6A24]:0)
        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:638)
        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:253)
        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:242)
        at 
org.apache.solr.client.solrj.impl.LBHttpSolrClient.doRequest(LBHttpSolrClient.java:483)
        at 
org.apache.solr.client.solrj.impl.LBHttpSolrClient.request(LBHttpSolrClient.java:413)
        at 
org.apache.solr.client.solrj.impl.CloudSolrClient.sendRequest(CloudSolrClient.java:1121)
        at 
org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:862)
        at 
org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:793)
        at 
org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:178)
        at 
org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:195)
        at 
org.apache.solr.cloud.AbstractFullDistribZkTestBase.createJettys(AbstractFullDistribZkTestBase.java:418)
        at 
org.apache.solr.cloud.AbstractFullDistribZkTestBase.createServers(AbstractFullDistribZkTestBase.java:334)
        at 
org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsFixedStatement.callStatement(BaseDistributedSearchTestCase.java:991)
        at 
org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsStatement.evaluate(BaseDistributedSearchTestCase.java:968)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:943)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:829)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:879)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:890)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
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)
Caused by: java.net.SocketTimeoutException: Read timed out
        at java.net.SocketInputStream.socketRead0(Native Method)
        at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
        at java.net.SocketInputStream.read(SocketInputStream.java:171)
        at java.net.SocketInputStream.read(SocketInputStream.java:141)
        at 
org.apache.http.impl.io.SessionInputBufferImpl.streamRead(SessionInputBufferImpl.java:137)
        at 
org.apache.http.impl.io.SessionInputBufferImpl.fillBuffer(SessionInputBufferImpl.java:153)
        at 
org.apache.http.impl.io.SessionInputBufferImpl.readLine(SessionInputBufferImpl.java:282)
        at 
org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:138)
        at 
org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:56)
        at 
org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:259)
        at 
org.apache.http.impl.DefaultBHttpClientConnection.receiveResponseHeader(DefaultBHttpClientConnection.java:163)
        at 
org.apache.http.impl.conn.CPoolProxy.receiveResponseHeader(CPoolProxy.java:165)
        at 
org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:273)
        at 
org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
        at 
org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:272)
        at 
org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185)
        at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
        at 
org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:111)
        at 
org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
        at 
org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
        at 
org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56)
        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:526)
        ... 44 more


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

Error Message:
31 threads leaked from SUITE scope at 
org.apache.solr.cloud.BasicDistributedZkTest:     1) Thread[id=12504, 
name=qtp1982261569-12504, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         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.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)     
    at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626) 
        at java.lang.Thread.run(Thread.java:748)    2) Thread[id=12500, 
name=qtp1982261569-12500, state=RUNNABLE, group=TGRP-BasicDistributedZkTest]    
     at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at 
sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at 
sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)         at 
sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at 
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at 
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589) 
        at java.lang.Thread.run(Thread.java:748)    3) Thread[id=12551, 
name=searcherExecutor-4090-thread-1, state=WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)    4) Thread[id=12499, 
name=qtp1982261569-12499, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
         at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)     
    at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626) 
        at java.lang.Thread.run(Thread.java:748)    5) Thread[id=12555, 
name=updateExecutor-2676-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)    6) Thread[id=12506, 
name=qtp1982261569-12506, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         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.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)     
    at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626) 
        at java.lang.Thread.run(Thread.java:748)    7) Thread[id=12507, 
name=org.eclipse.jetty.server.session.HashSessionManager@76aeb3bcTimer, 
state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]         at 
sun.misc.Unsafe.park(Native Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$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)    8) Thread[id=12511, 
name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at java.lang.Thread.sleep(Native 
Method)         at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.lang.Thread.run(Thread.java:748)    9) Thread[id=12535, 
name=zkCallback-2679-thread-5, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   10) Thread[id=12523, 
name=Scheduler-343611645, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         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)   11) Thread[id=12548, 
name=OverseerThreadFactory-4089-thread-1, state=WAITING, group=Overseer 
collection creation process.]         at sun.misc.Unsafe.park(Native Method)    
     at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)       
  at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:458)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.take(SynchronousQueue.java:924)         
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=12545, 
name=OverseerHdfsCoreFailoverThread-98678312313290762-127.0.0.1:45132_-n_0000000002,
 state=TIMED_WAITING, group=Overseer Hdfs SolrCore Failover Thread.]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.run(OverseerAutoReplicaFailoverThread.java:139)
         at java.lang.Thread.run(Thread.java:748)   13) Thread[id=12512, 
name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at java.lang.Thread.sleep(Native 
Method)         at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.lang.Thread.run(Thread.java:748)   14) Thread[id=12532, 
name=zkCallback-2679-thread-3, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   15) Thread[id=12539, 
name=zkCallback-2679-thread-4-processing-n:127.0.0.1:45132_-SendThread(127.0.0.1:42502),
 state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1051)   16) 
Thread[id=12503, name=qtp1982261569-12503, state=RUNNABLE, 
group=TGRP-BasicDistributedZkTest]         at 
sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         at 
sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)         at 
sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)         at 
sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at 
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at 
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589) 
        at java.lang.Thread.run(Thread.java:748)   17) Thread[id=12567, 
name=zkCallback-2679-thread-7, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   18) Thread[id=12558, 
name=recoveryExecutor-2677-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   19) Thread[id=12505, 
name=qtp1982261569-12505, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
         at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)     
    at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626) 
        at java.lang.Thread.run(Thread.java:748)   20) Thread[id=12536, 
name=zkCallback-2679-thread-6, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   21) Thread[id=12553, 
name=searcherExecutor-4095-thread-1, state=WAITING, 
group=TGRP-BasicDistributedZkTest]         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)   22) Thread[id=12543, 
name=OverseerStateUpdate-98678312313290762-127.0.0.1:45132_-n_0000000002, 
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$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
         at 
org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:165)         
at org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:139)       
  at org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:184)  
       at java.lang.Thread.run(Thread.java:748)   23) Thread[id=12524, 
name=watches-2680-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   24) Thread[id=12518, 
name=zkCallback-2679-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   25) Thread[id=12519, 
name=Thread-3348, state=WAITING, group=TGRP-BasicDistributedZkTest]         at 
java.lang.Object.wait(Native Method)         at 
java.lang.Object.wait(Object.java:502)         at 
org.apache.solr.core.CloserThread.run(CoreContainer.java:1617)   26) 
Thread[id=12501, 
name=qtp1982261569-12501-acceptor-0@fedd3a-ServerConnector@56c3e1bc{HTTP/1.1,[http/1.1]}{127.0.0.1:45132},
 state=RUNNABLE, group=TGRP-BasicDistributedZkTest]         at 
sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)         at 
sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422)     
    at 
sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250)     
    at 
org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:371)       
  at 
org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:601)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589) 
        at java.lang.Thread.run(Thread.java:748)   27) Thread[id=12544, 
name=OverseerCollectionConfigSetProcessor-98678312313290762-127.0.0.1:45132_-n_0000000002,
 state=TIMED_WAITING, group=Overseer collection creation process.]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:111)   
      at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:70)
         at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:354)        
 at 
org.apache.solr.cloud.OverseerTaskProcessor.amILeader(OverseerTaskProcessor.java:387)
         at 
org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:193) 
        at java.lang.Thread.run(Thread.java:748)   28) Thread[id=12533, 
name=zkCallback-2679-thread-4, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   29) Thread[id=12540, 
name=zkCallback-2679-thread-4-processing-n:127.0.0.1:45132_-EventThread, 
state=WAITING, group=TGRP-BasicDistributedZkTest]         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:501)   
30) Thread[id=12502, name=qtp1982261569-12502, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         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.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)     
    at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626) 
        at java.lang.Thread.run(Thread.java:748)   31) Thread[id=12531, 
name=zkCallback-2679-thread-2, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 31 threads leaked from 
SUITE scope at org.apache.solr.cloud.BasicDistributedZkTest: 
   1) Thread[id=12504, name=qtp1982261569-12504, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        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.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:748)
   2) Thread[id=12500, name=qtp1982261569-12500, state=RUNNABLE, 
group=TGRP-BasicDistributedZkTest]
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
        at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
        at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
        at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
        at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
        at java.lang.Thread.run(Thread.java:748)
   3) Thread[id=12551, name=searcherExecutor-4090-thread-1, state=WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   4) Thread[id=12499, name=qtp1982261569-12499, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:748)
   5) Thread[id=12555, name=updateExecutor-2676-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   6) Thread[id=12506, name=qtp1982261569-12506, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        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.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:748)
   7) Thread[id=12507, 
name=org.eclipse.jetty.server.session.HashSessionManager@76aeb3bcTimer, 
state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$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)
   8) Thread[id=12511, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at java.lang.Thread.run(Thread.java:748)
   9) Thread[id=12535, name=zkCallback-2679-thread-5, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  10) Thread[id=12523, name=Scheduler-343611645, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        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)
  11) Thread[id=12548, name=OverseerThreadFactory-4089-thread-1, state=WAITING, 
group=Overseer collection creation process.]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:458)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.take(SynchronousQueue.java:924)
        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=12545, 
name=OverseerHdfsCoreFailoverThread-98678312313290762-127.0.0.1:45132_-n_0000000002,
 state=TIMED_WAITING, group=Overseer Hdfs SolrCore Failover Thread.]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.run(OverseerAutoReplicaFailoverThread.java:139)
        at java.lang.Thread.run(Thread.java:748)
  13) Thread[id=12512, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at java.lang.Thread.run(Thread.java:748)
  14) Thread[id=12532, name=zkCallback-2679-thread-3, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  15) Thread[id=12539, 
name=zkCallback-2679-thread-4-processing-n:127.0.0.1:45132_-SendThread(127.0.0.1:42502),
 state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1051)
  16) Thread[id=12503, name=qtp1982261569-12503, state=RUNNABLE, 
group=TGRP-BasicDistributedZkTest]
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
        at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
        at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
        at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
        at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
        at java.lang.Thread.run(Thread.java:748)
  17) Thread[id=12567, name=zkCallback-2679-thread-7, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  18) Thread[id=12558, name=recoveryExecutor-2677-thread-1, 
state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  19) Thread[id=12505, name=qtp1982261569-12505, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at 
org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:748)
  20) Thread[id=12536, name=zkCallback-2679-thread-6, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  21) Thread[id=12553, name=searcherExecutor-4095-thread-1, state=WAITING, 
group=TGRP-BasicDistributedZkTest]
        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)
  22) Thread[id=12543, 
name=OverseerStateUpdate-98678312313290762-127.0.0.1:45132_-n_0000000002, 
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$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at 
org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:165)
        at 
org.apache.solr.cloud.DistributedQueue.peek(DistributedQueue.java:139)
        at 
org.apache.solr.cloud.Overseer$ClusterStateUpdater.run(Overseer.java:184)
        at java.lang.Thread.run(Thread.java:748)
  23) Thread[id=12524, name=watches-2680-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  24) Thread[id=12518, name=zkCallback-2679-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  25) Thread[id=12519, name=Thread-3348, state=WAITING, 
group=TGRP-BasicDistributedZkTest]
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:502)
        at org.apache.solr.core.CloserThread.run(CoreContainer.java:1617)
  26) Thread[id=12501, 
name=qtp1982261569-12501-acceptor-0@fedd3a-ServerConnector@56c3e1bc{HTTP/1.1,[http/1.1]}{127.0.0.1:45132},
 state=RUNNABLE, group=TGRP-BasicDistributedZkTest]
        at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)
        at 
sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422)
        at 
sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250)
        at 
org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:371)
        at 
org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:601)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
        at java.lang.Thread.run(Thread.java:748)
  27) Thread[id=12544, 
name=OverseerCollectionConfigSetProcessor-98678312313290762-127.0.0.1:45132_-n_0000000002,
 state=TIMED_WAITING, group=Overseer collection creation process.]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:111)
        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:70)
        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:354)
        at 
org.apache.solr.cloud.OverseerTaskProcessor.amILeader(OverseerTaskProcessor.java:387)
        at 
org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:193)
        at java.lang.Thread.run(Thread.java:748)
  28) Thread[id=12533, name=zkCallback-2679-thread-4, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  29) Thread[id=12540, 
name=zkCallback-2679-thread-4-processing-n:127.0.0.1:45132_-EventThread, 
state=WAITING, group=TGRP-BasicDistributedZkTest]
        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:501)
  30) Thread[id=12502, name=qtp1982261569-12502, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        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.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at java.lang.Thread.run(Thread.java:748)
  31) Thread[id=12531, name=zkCallback-2679-thread-2, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
        at __randomizedtesting.SeedInfo.seed([F545586B56B607DC]:0)


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

Error Message:
There are still zombie threads that couldn't be terminated:    1) 
Thread[id=12536, name=zkCallback-2679-thread-6, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)    2) Thread[id=12553, 
name=searcherExecutor-4095-thread-1, state=WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)    3) Thread[id=12524, 
name=watches-2680-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)    4) Thread[id=12518, 
name=zkCallback-2679-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)    5) Thread[id=12519, 
name=Thread-3348, state=WAITING, group=TGRP-BasicDistributedZkTest]         at 
java.lang.Object.wait(Native Method)         at 
java.lang.Object.wait(Object.java:502)         at 
org.apache.solr.core.CloserThread.run(CoreContainer.java:1617)    6) 
Thread[id=12500, name=qtp1982261569-12500, state=RUNNABLE, 
group=TGRP-BasicDistributedZkTest]         at sun.nio.ch.IOUtil.drain(Native 
Method)         at 
sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:104)         at 
sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at 
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at 
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589) 
        at java.lang.Thread.run(Thread.java:748)    7) Thread[id=12551, 
name=searcherExecutor-4090-thread-1, state=WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)    8) Thread[id=12555, 
name=updateExecutor-2676-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)    9) Thread[id=12507, 
name=org.eclipse.jetty.server.session.HashSessionManager@76aeb3bcTimer, 
state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]         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)   10) Thread[id=12535, 
name=zkCallback-2679-thread-5, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   11) Thread[id=12523, 
name=Scheduler-343611645, state=WAITING, group=TGRP-BasicDistributedZkTest]     
    at sun.misc.Unsafe.park(Native Method)         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   12) Thread[id=12532, 
name=zkCallback-2679-thread-3, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   13) Thread[id=12539, 
name=zkCallback-2679-thread-4-processing-n:127.0.0.1:45132_-SendThread(127.0.0.1:42502),
 state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1051)   14) 
Thread[id=12503, name=qtp1982261569-12503, state=RUNNABLE, 
group=TGRP-BasicDistributedZkTest]         at sun.nio.ch.IOUtil.drain(Native 
Method)         at 
sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:104)         at 
sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)         at 
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)         at 
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)         at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589) 
        at java.lang.Thread.run(Thread.java:748)   15) Thread[id=12533, 
name=zkCallback-2679-thread-4, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   16) Thread[id=12567, 
name=zkCallback-2679-thread-7, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   17) Thread[id=12558, 
name=recoveryExecutor-2677-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)   
      at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134) 
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
        at java.lang.Thread.run(Thread.java:748)   18) Thread[id=12531, 
name=zkCallback-2679-thread-2, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]         at sun.misc.Unsafe.park(Native 
Method)         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)         
at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)         
at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)   
      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=12536, name=zkCallback-2679-thread-6, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   2) Thread[id=12553, name=searcherExecutor-4095-thread-1, state=WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   3) Thread[id=12524, name=watches-2680-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   4) Thread[id=12518, name=zkCallback-2679-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   5) Thread[id=12519, name=Thread-3348, state=WAITING, 
group=TGRP-BasicDistributedZkTest]
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:502)
        at org.apache.solr.core.CloserThread.run(CoreContainer.java:1617)
   6) Thread[id=12500, name=qtp1982261569-12500, state=RUNNABLE, 
group=TGRP-BasicDistributedZkTest]
        at sun.nio.ch.IOUtil.drain(Native Method)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:104)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
        at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
        at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
        at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
        at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
        at java.lang.Thread.run(Thread.java:748)
   7) Thread[id=12551, name=searcherExecutor-4090-thread-1, state=WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   8) Thread[id=12555, name=updateExecutor-2676-thread-1, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
   9) Thread[id=12507, 
name=org.eclipse.jetty.server.session.HashSessionManager@76aeb3bcTimer, 
state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]
        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)
  10) Thread[id=12535, name=zkCallback-2679-thread-5, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  11) Thread[id=12523, name=Scheduler-343611645, state=WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  12) Thread[id=12532, name=zkCallback-2679-thread-3, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  13) Thread[id=12539, 
name=zkCallback-2679-thread-4-processing-n:127.0.0.1:45132_-SendThread(127.0.0.1:42502),
 state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]
        at java.lang.Thread.sleep(Native Method)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1051)
  14) Thread[id=12503, name=qtp1982261569-12503, state=RUNNABLE, 
group=TGRP-BasicDistributedZkTest]
        at sun.nio.ch.IOUtil.drain(Native Method)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:104)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
        at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
        at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
        at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
        at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
        at java.lang.Thread.run(Thread.java:748)
  15) Thread[id=12533, name=zkCallback-2679-thread-4, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  16) Thread[id=12567, name=zkCallback-2679-thread-7, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  17) Thread[id=12558, name=recoveryExecutor-2677-thread-1, 
state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
  18) Thread[id=12531, name=zkCallback-2679-thread-2, state=TIMED_WAITING, 
group=TGRP-BasicDistributedZkTest]
        at sun.misc.Unsafe.park(Native Method)
        at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
        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([F545586B56B607DC]:0)


FAILED:  org.apache.solr.cloud.TestAuthenticationFramework.testBasics

Error Message:
Error from server at 
http://127.0.0.1:55626/solr/testcollection_shard1_replica_n2: Expected mime 
type application/octet-stream but got text/html. <html> <head> <meta 
http-equiv="Content-Type" content="text/html;charset=ISO-8859-1"/> <title>Error 
404 </title> </head> <body> <h2>HTTP ERROR: 404</h2> <p>Problem accessing 
/solr/testcollection_shard1_replica_n2/update. Reason: <pre>    Can not find: 
/solr/testcollection_shard1_replica_n2/update</pre></p> <hr /><a 
href="http://eclipse.org/jetty";>Powered by Jetty:// 9.3.20.v20170531</a><hr/> 
</body> </html> 

Stack Trace:
org.apache.solr.client.solrj.impl.CloudSolrClient$RouteException: Error from 
server at http://127.0.0.1:55626/solr/testcollection_shard1_replica_n2: 
Expected mime type application/octet-stream but got text/html. <html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1"/>
<title>Error 404 </title>
</head>
<body>
<h2>HTTP ERROR: 404</h2>
<p>Problem accessing /solr/testcollection_shard1_replica_n2/update. Reason:
<pre>    Can not find: /solr/testcollection_shard1_replica_n2/update</pre></p>
<hr /><a href="http://eclipse.org/jetty";>Powered by Jetty:// 
9.3.20.v20170531</a><hr/>
</body>
</html>

        at 
__randomizedtesting.SeedInfo.seed([F545586B56B607DC:C89DF6476E5859AC]:0)
        at 
org.apache.solr.client.solrj.impl.CloudSolrClient.directUpdate(CloudSolrClient.java:539)
        at 
org.apache.solr.client.solrj.impl.CloudSolrClient.sendRequest(CloudSolrClient.java:993)
        at 
org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:862)
        at 
org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:793)
        at 
org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:178)
        at 
org.apache.solr.client.solrj.request.UpdateRequest.commit(UpdateRequest.java:233)
        at 
org.apache.solr.cloud.TestAuthenticationFramework.collectionCreateSearchDeleteTwice(TestAuthenticationFramework.java:126)
        at 
org.apache.solr.cloud.TestAuthenticationFramework.testBasics(TestAuthenticationFramework.java:74)
        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:1737)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:934)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:970)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:984)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:943)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:829)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:879)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:890)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
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(TestRu

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

ockSupport.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]    >   10) Thread[id=12535, name=zkCallback-2679-thread-5, 
state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >   11) Thread[id=12523, name=Scheduler-343611645, 
state=WAITING, group=TGRP-BasicDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
   [junit4]    >         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$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$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >   12) Thread[id=12532, name=zkCallback-2679-thread-3, 
state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >   13) Thread[id=12539, 
name=zkCallback-2679-thread-4-processing-n:127.0.0.1:45132_-SendThread(127.0.0.1:42502),
 state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]
   [junit4]    >         at java.lang.Thread.sleep(Native Method)
   [junit4]    >         at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1051)
   [junit4]    >   14) Thread[id=12503, name=qtp1982261569-12503, 
state=RUNNABLE, group=TGRP-BasicDistributedZkTest]
   [junit4]    >         at sun.nio.ch.IOUtil.drain(Native Method)
   [junit4]    >         at 
sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:104)
   [junit4]    >         at 
sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
   [junit4]    >         at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
   [junit4]    >         at 
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
   [junit4]    >         at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
   [junit4]    >         at 
org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
   [junit4]    >         at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
   [junit4]    >         at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
   [junit4]    >         at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
   [junit4]    >         at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
   [junit4]    >         at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >   15) Thread[id=12533, name=zkCallback-2679-thread-4, 
state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >   16) Thread[id=12567, name=zkCallback-2679-thread-7, 
state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >   17) Thread[id=12558, name=recoveryExecutor-2677-thread-1, 
state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   [junit4]    >         at java.lang.Thread.run(Thread.java:748)
   [junit4]    >   18) Thread[id=12531, name=zkCallback-2679-thread-2, 
state=TIMED_WAITING, group=TGRP-BasicDistributedZkTest]
   [junit4]    >         at sun.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
   [junit4]    >         at 
java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
   [junit4]    >         at 
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
   [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([F545586B56B607DC]:0)
   [junit4] Completed [285/731 (2!)] on J2 in 123.82s, 1 test, 3 errors <<< 
FAILURES!

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