Build: https://jenkins.thetaphi.de/job/Lucene-Solr-7.x-Linux/1076/
Java: 64bit/jdk-9.0.1 -XX:-UseCompressedOops -XX:+UseParallelGC

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

Error Message:
22 threads leaked from SUITE scope at 
org.apache.solr.cloud.hdfs.HdfsNNFailoverTest:     1) Thread[id=7181, 
name=qtp1203365993-7181, state=TIMED_WAITING, group=TGRP-HdfsNNFailoverTest]    
     at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
app//org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
         at [email protected]/java.lang.Thread.run(Thread.java:844)    2) 
Thread[id=7199, name=Scheduler-431126284, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1131)
         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)    3) 
Thread[id=7195, name=Thread-1805, state=WAITING, group=TGRP-HdfsNNFailoverTest] 
        at [email protected]/java.lang.Object.wait(Native Method)         at 
[email protected]/java.lang.Object.wait(Object.java:516)         at 
app//org.apache.solr.core.CloserThread.run(CoreContainer.java:1719)    4) 
Thread[id=7237, name=zkCallback-1597-thread-5, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)    5) 
Thread[id=7192, 
name=TEST-HdfsNNFailoverTest.test-seed#[DA26CFCFFD37EAD2]-EventThread, 
state=WAITING, group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:501)    6) 
Thread[id=7182, 
name=org.eclipse.jetty.server.session.HashSessionManager@1654b378Timer, 
state=TIMED_WAITING, group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1131)
         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)    7) 
Thread[id=7175, name=qtp1203365993-7175, state=RUNNABLE, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         
at 
[email protected]/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)   
      at 
[email protected]/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
         at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)  
       at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:100)
         at 
app//org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:147)         
at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at [email protected]/java.lang.Thread.run(Thread.java:844)    8) 
Thread[id=7193, name=zkConnectionManagerCallback-1598-thread-1, state=WAITING, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)    9) 
Thread[id=7179, name=qtp1203365993-7179, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.solr.cloud.ZkController.waitForShardId(ZkController.java:1562)  
       at 
app//org.apache.solr.cloud.ZkController.doGetShardIdAndNodeNameProcess(ZkController.java:1513)
         at 
app//org.apache.solr.cloud.ZkController.preRegister(ZkController.java:1622)     
    at 
app//org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1032)
         at 
app//org.apache.solr.core.CoreContainer.create(CoreContainer.java:950)         
at 
app//org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:91)
         at 
app//org.apache.solr.handler.admin.CoreAdminOperation$$Lambda$297/2109360545.execute(Unknown
 Source)         at 
app//org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:384)
         at 
app//org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:389)
         at 
app//org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:174)
         at 
app//org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:177)
         at 
app//org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:736)    
     at 
app//org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:717)
         at 
app//org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:498)         
at 
app//org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:382)
         at 
app//org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:326)
         at 
app//org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759)
         at 
app//org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:139)
         at 
app//org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759)
         at 
app//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:582) 
        at 
app//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:224)
         at 
app//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
         at 
app//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512)  
       at 
app//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
         at 
app//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
         at 
app//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
         at 
app//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:426)
         at 
app//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
         at app//org.eclipse.jetty.server.Server.handle(Server.java:534)        
 at app//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)      
   at 
app//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
         at 
app//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283)
         at 
app//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108)         
at 
app//org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   10) 
Thread[id=7174, name=qtp1203365993-7174, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
app//org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   11) 
Thread[id=7238, name=zkCallback-1597-thread-6, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   12) 
Thread[id=7177, name=qtp1203365993-7177, state=RUNNABLE, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         
at 
[email protected]/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)   
      at 
[email protected]/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
         at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)  
       at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:100)
         at 
app//org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:147)         
at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   13) 
Thread[id=7178, 
name=qtp1203365993-7178-acceptor-0@179c7d5e-ServerConnector@3ad09568{HTTP/1.1,[http/1.1]}{127.0.0.1:40069},
 state=RUNNABLE, group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)       
  at 
[email protected]/sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:424)
         at 
[email protected]/sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:252)
         at 
app//org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:371)  
       at 
app//org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:601)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   14) 
Thread[id=7180, name=qtp1203365993-7180, state=RUNNABLE, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         
at 
[email protected]/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)   
      at 
[email protected]/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
         at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)  
       at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   15) 
Thread[id=7197, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   16) 
Thread[id=7191, 
name=TEST-HdfsNNFailoverTest.test-seed#[DA26CFCFFD37EAD2]-SendThread(127.0.0.1:39953),
 state=TIMED_WAITING, group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)
         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:997)
         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1060)   17) 
Thread[id=7187, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   18) 
Thread[id=7234, 
name=zkCallback-1597-thread-3-processing-n:127.0.0.1:40069_nn_%2Fiy, 
state=TIMED_WAITING, group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:111)
         at 
app//org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:70)
         at 
app//org.apache.solr.common.cloud.SolrZkClient.create(SolrZkClient.java:364)    
     at 
app//org.apache.solr.cloud.Overseer.createOverseerNode(Overseer.java:771)       
  at app//org.apache.solr.cloud.Overseer.start(Overseer.java:515)         at 
app//org.apache.solr.cloud.OverseerElectionContext.runLeaderProcess(ElectionContext.java:799)
         at 
app//org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:170)
         at 
app//org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:135)
         at 
app//org.apache.solr.cloud.LeaderElector.access$200(LeaderElector.java:56)      
   at 
app//org.apache.solr.cloud.LeaderElector$ElectionWatcher.process(LeaderElector.java:348)
         at 
app//org.apache.solr.common.cloud.SolrZkClient$1.lambda$process$1(SolrZkClient.java:268)
         at 
app//org.apache.solr.common.cloud.SolrZkClient$1$$Lambda$200/1924274917.run(Unknown
 Source)         at 
[email protected]/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:514)
         at 
[email protected]/java.util.concurrent.FutureTask.run(FutureTask.java:264)        
 at 
app//org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:188)
         at 
app//org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor$$Lambda$111/15886483.run(Unknown
 Source)         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   19) 
Thread[id=7186, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   20) 
Thread[id=7239, name=zkCallback-1597-thread-7, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   21) 
Thread[id=7176, name=qtp1203365993-7176, state=RUNNABLE, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)         
at 
[email protected]/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)   
      at 
[email protected]/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
         at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)  
       at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   22) 
Thread[id=7236, name=zkCallback-1597-thread-4, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 22 threads leaked from 
SUITE scope at org.apache.solr.cloud.hdfs.HdfsNNFailoverTest: 
   1) Thread[id=7181, name=qtp1203365993-7181, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
        at 
app//org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   2) Thread[id=7199, name=Scheduler-431126284, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1131)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   3) Thread[id=7195, name=Thread-1805, state=WAITING, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/java.lang.Object.wait(Native Method)
        at [email protected]/java.lang.Object.wait(Object.java:516)
        at app//org.apache.solr.core.CloserThread.run(CoreContainer.java:1719)
   4) Thread[id=7237, name=zkCallback-1597-thread-5, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   5) Thread[id=7192, 
name=TEST-HdfsNNFailoverTest.test-seed#[DA26CFCFFD37EAD2]-EventThread, 
state=WAITING, group=TGRP-HdfsNNFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
        at 
app//org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:501)
   6) Thread[id=7182, 
name=org.eclipse.jetty.server.session.HashSessionManager@1654b378Timer, 
state=TIMED_WAITING, group=TGRP-HdfsNNFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1131)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   7) Thread[id=7175, name=qtp1203365993-7175, state=RUNNABLE, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at 
[email protected]/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)
        at 
[email protected]/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:100)
        at 
app//org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:147)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   8) Thread[id=7193, name=zkConnectionManagerCallback-1598-thread-1, 
state=WAITING, group=TGRP-HdfsNNFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   9) Thread[id=7179, name=qtp1203365993-7179, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.solr.cloud.ZkController.waitForShardId(ZkController.java:1562)
        at 
app//org.apache.solr.cloud.ZkController.doGetShardIdAndNodeNameProcess(ZkController.java:1513)
        at 
app//org.apache.solr.cloud.ZkController.preRegister(ZkController.java:1622)
        at 
app//org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1032)
        at 
app//org.apache.solr.core.CoreContainer.create(CoreContainer.java:950)
        at 
app//org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:91)
        at 
app//org.apache.solr.handler.admin.CoreAdminOperation$$Lambda$297/2109360545.execute(Unknown
 Source)
        at 
app//org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:384)
        at 
app//org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:389)
        at 
app//org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:174)
        at 
app//org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:177)
        at 
app//org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:736)
        at 
app//org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:717)
        at app//org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:498)
        at 
app//org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:382)
        at 
app//org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:326)
        at 
app//org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759)
        at 
app//org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:139)
        at 
app//org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759)
        at 
app//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:582)
        at 
app//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:224)
        at 
app//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
        at 
app//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512)
        at 
app//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
        at 
app//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
        at 
app//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at 
app//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:426)
        at 
app//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
        at app//org.eclipse.jetty.server.Server.handle(Server.java:534)
        at 
app//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)
        at 
app//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
        at 
app//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283)
        at 
app//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108)
        at 
app//org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  10) Thread[id=7174, name=qtp1203365993-7174, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
        at 
app//org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  11) Thread[id=7238, name=zkCallback-1597-thread-6, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  12) Thread[id=7177, name=qtp1203365993-7177, state=RUNNABLE, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at 
[email protected]/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)
        at 
[email protected]/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:100)
        at 
app//org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:147)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  13) Thread[id=7178, 
name=qtp1203365993-7178-acceptor-0@179c7d5e-ServerConnector@3ad09568{HTTP/1.1,[http/1.1]}{127.0.0.1:40069},
 state=RUNNABLE, group=TGRP-HdfsNNFailoverTest]
        at [email protected]/sun.nio.ch.ServerSocketChannelImpl.accept0(Native 
Method)
        at 
[email protected]/sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:424)
        at 
[email protected]/sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:252)
        at 
app//org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:371)
        at 
app//org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:601)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  14) Thread[id=7180, name=qtp1203365993-7180, state=RUNNABLE, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at 
[email protected]/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)
        at 
[email protected]/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  15) Thread[id=7197, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  16) Thread[id=7191, 
name=TEST-HdfsNNFailoverTest.test-seed#[DA26CFCFFD37EAD2]-SendThread(127.0.0.1:39953),
 state=TIMED_WAITING, group=TGRP-HdfsNNFailoverTest]
        at [email protected]/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)
        at 
app//org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:997)
        at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1060)
  17) Thread[id=7187, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  18) Thread[id=7234, 
name=zkCallback-1597-thread-3-processing-n:127.0.0.1:40069_nn_%2Fiy, 
state=TIMED_WAITING, group=TGRP-HdfsNNFailoverTest]
        at [email protected]/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.solr.common.cloud.ZkCmdExecutor.retryDelay(ZkCmdExecutor.java:111)
        at 
app//org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:70)
        at 
app//org.apache.solr.common.cloud.SolrZkClient.create(SolrZkClient.java:364)
        at 
app//org.apache.solr.cloud.Overseer.createOverseerNode(Overseer.java:771)
        at app//org.apache.solr.cloud.Overseer.start(Overseer.java:515)
        at 
app//org.apache.solr.cloud.OverseerElectionContext.runLeaderProcess(ElectionContext.java:799)
        at 
app//org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:170)
        at 
app//org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:135)
        at 
app//org.apache.solr.cloud.LeaderElector.access$200(LeaderElector.java:56)
        at 
app//org.apache.solr.cloud.LeaderElector$ElectionWatcher.process(LeaderElector.java:348)
        at 
app//org.apache.solr.common.cloud.SolrZkClient$1.lambda$process$1(SolrZkClient.java:268)
        at 
app//org.apache.solr.common.cloud.SolrZkClient$1$$Lambda$200/1924274917.run(Unknown
 Source)
        at 
[email protected]/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:514)
        at 
[email protected]/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
app//org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:188)
        at 
app//org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor$$Lambda$111/15886483.run(Unknown
 Source)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  19) Thread[id=7186, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  20) Thread[id=7239, name=zkCallback-1597-thread-7, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  21) Thread[id=7176, name=qtp1203365993-7176, state=RUNNABLE, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at 
[email protected]/sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:265)
        at 
[email protected]/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:92)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  22) Thread[id=7236, name=zkCallback-1597-thread-4, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
        at __randomizedtesting.SeedInfo.seed([DA26CFCFFD37EAD2]:0)


FAILED:  junit.framework.TestSuite.org.apache.solr.cloud.hdfs.HdfsNNFailoverTest

Error Message:
There are still zombie threads that couldn't be terminated:    1) 
Thread[id=7199, name=Scheduler-431126284, state=WAITING, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1119)
         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)    2) 
Thread[id=7195, name=Thread-1805, state=WAITING, group=TGRP-HdfsNNFailoverTest] 
        at [email protected]/java.lang.Object.wait(Native Method)         at 
[email protected]/java.lang.Object.wait(Object.java:516)         at 
app//org.apache.solr.core.CloserThread.run(CoreContainer.java:1719)    3) 
Thread[id=7237, name=zkCallback-1597-thread-5, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)    4) 
Thread[id=7182, 
name=org.eclipse.jetty.server.session.HashSessionManager@1654b378Timer, 
state=TIMED_WAITING, group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1131)
         at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)    5) 
Thread[id=7175, name=qtp1203365993-7175, state=RUNNABLE, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/sun.nio.ch.EPollArrayWrapper.interrupt(Native Method)         
at 
[email protected]/sun.nio.ch.EPollArrayWrapper.interrupt(EPollArrayWrapper.java:313)
         at 
[email protected]/sun.nio.ch.EPollSelectorImpl.wakeup(EPollSelectorImpl.java:206) 
        at 
[email protected]/java.nio.channels.spi.AbstractSelector$1.interrupt(AbstractSelector.java:213)
         at 
[email protected]/java.nio.channels.spi.AbstractSelector.begin(AbstractSelector.java:219)
         at 
[email protected]/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:91)
         at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)  
       at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:100)
         at 
app//org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:147)         
at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at [email protected]/java.lang.Thread.run(Thread.java:844)    6) 
Thread[id=7193, name=zkConnectionManagerCallback-1598-thread-1, state=WAITING, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
         at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
         at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)    7) 
Thread[id=7238, name=zkCallback-1597-thread-6, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)    8) 
Thread[id=7177, name=qtp1203365993-7177, state=RUNNABLE, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/sun.nio.ch.EPollArrayWrapper.interrupt(Native Method)         
at 
[email protected]/sun.nio.ch.EPollArrayWrapper.interrupt(EPollArrayWrapper.java:313)
         at 
[email protected]/sun.nio.ch.EPollSelectorImpl.wakeup(EPollSelectorImpl.java:206) 
        at 
[email protected]/java.nio.channels.spi.AbstractSelector$1.interrupt(AbstractSelector.java:213)
         at 
[email protected]/java.nio.channels.spi.AbstractSelector.begin(AbstractSelector.java:219)
         at 
[email protected]/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:91)
         at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)  
       at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:100)
         at 
app//org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:147)         
at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at [email protected]/java.lang.Thread.run(Thread.java:844)    9) 
Thread[id=7180, name=qtp1203365993-7180, state=RUNNABLE, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/sun.nio.ch.EPollArrayWrapper.interrupt(Native Method)         
at 
[email protected]/sun.nio.ch.EPollArrayWrapper.interrupt(EPollArrayWrapper.java:313)
         at 
[email protected]/sun.nio.ch.EPollSelectorImpl.wakeup(EPollSelectorImpl.java:206) 
        at 
[email protected]/java.nio.channels.spi.AbstractSelector$1.interrupt(AbstractSelector.java:213)
         at 
[email protected]/java.nio.channels.spi.AbstractSelector.begin(AbstractSelector.java:219)
         at 
[email protected]/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:91)
         at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)  
       at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   10) 
Thread[id=7191, 
name=TEST-HdfsNNFailoverTest.test-seed#[DA26CFCFFD37EAD2]-SendThread(127.0.0.1:39953),
 state=TIMED_WAITING, group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/java.lang.Thread.sleep(Native Method)         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1051)   11) 
Thread[id=7234, name=zkCallback-1597-thread-3, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   12) 
Thread[id=7239, name=zkCallback-1597-thread-7, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   13) 
Thread[id=7176, name=qtp1203365993-7176, state=RUNNABLE, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/sun.nio.ch.IOUtil.drain(Native Method)         at 
[email protected]/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:103)
         at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)   
      at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)   
      at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)  
       at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
         at [email protected]/java.lang.Thread.run(Thread.java:844)   14) 
Thread[id=7236, name=zkCallback-1597-thread-4, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
         at [email protected]/java.lang.Thread.run(Thread.java:844)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: There are still zombie 
threads that couldn't be terminated:
   1) Thread[id=7199, name=Scheduler-431126284, state=WAITING, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1119)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   2) Thread[id=7195, name=Thread-1805, state=WAITING, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/java.lang.Object.wait(Native Method)
        at [email protected]/java.lang.Object.wait(Object.java:516)
        at app//org.apache.solr.core.CloserThread.run(CoreContainer.java:1719)
   3) Thread[id=7237, name=zkCallback-1597-thread-5, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   4) Thread[id=7182, 
name=org.eclipse.jetty.server.session.HashSessionManager@1654b378Timer, 
state=TIMED_WAITING, group=TGRP-HdfsNNFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2104)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1131)
        at 
[email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:848)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   5) Thread[id=7175, name=qtp1203365993-7175, state=RUNNABLE, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/sun.nio.ch.EPollArrayWrapper.interrupt(Native Method)
        at 
[email protected]/sun.nio.ch.EPollArrayWrapper.interrupt(EPollArrayWrapper.java:313)
        at 
[email protected]/sun.nio.ch.EPollSelectorImpl.wakeup(EPollSelectorImpl.java:206)
        at 
[email protected]/java.nio.channels.spi.AbstractSelector$1.interrupt(AbstractSelector.java:213)
        at 
[email protected]/java.nio.channels.spi.AbstractSelector.begin(AbstractSelector.java:219)
        at 
[email protected]/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:91)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:100)
        at 
app//org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:147)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   6) Thread[id=7193, name=zkConnectionManagerCallback-1598-thread-1, 
state=WAITING, group=TGRP-HdfsNNFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
        at 
[email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2062)
        at 
[email protected]/java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:435)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1092)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   7) Thread[id=7238, name=zkCallback-1597-thread-6, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   8) Thread[id=7177, name=qtp1203365993-7177, state=RUNNABLE, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/sun.nio.ch.EPollArrayWrapper.interrupt(Native Method)
        at 
[email protected]/sun.nio.ch.EPollArrayWrapper.interrupt(EPollArrayWrapper.java:313)
        at 
[email protected]/sun.nio.ch.EPollSelectorImpl.wakeup(EPollSelectorImpl.java:206)
        at 
[email protected]/java.nio.channels.spi.AbstractSelector$1.interrupt(AbstractSelector.java:213)
        at 
[email protected]/java.nio.channels.spi.AbstractSelector.begin(AbstractSelector.java:219)
        at 
[email protected]/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:91)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:100)
        at 
app//org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:147)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
   9) Thread[id=7180, name=qtp1203365993-7180, state=RUNNABLE, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/sun.nio.ch.EPollArrayWrapper.interrupt(Native Method)
        at 
[email protected]/sun.nio.ch.EPollArrayWrapper.interrupt(EPollArrayWrapper.java:313)
        at 
[email protected]/sun.nio.ch.EPollSelectorImpl.wakeup(EPollSelectorImpl.java:206)
        at 
[email protected]/java.nio.channels.spi.AbstractSelector$1.interrupt(AbstractSelector.java:213)
        at 
[email protected]/java.nio.channels.spi.AbstractSelector.begin(AbstractSelector.java:219)
        at 
[email protected]/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:91)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  10) Thread[id=7191, 
name=TEST-HdfsNNFailoverTest.test-seed#[DA26CFCFFD37EAD2]-SendThread(127.0.0.1:39953),
 state=TIMED_WAITING, group=TGRP-HdfsNNFailoverTest]
        at [email protected]/java.lang.Thread.sleep(Native Method)
        at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1051)
  11) Thread[id=7234, name=zkCallback-1597-thread-3, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  12) Thread[id=7239, name=zkCallback-1597-thread-7, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  13) Thread[id=7176, name=qtp1203365993-7176, state=RUNNABLE, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/sun.nio.ch.IOUtil.drain(Native Method)
        at 
[email protected]/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:103)
        at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at [email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
        at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
        at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
        at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
  14) Thread[id=7236, name=zkCallback-1597-thread-4, state=TIMED_WAITING, 
group=TGRP-HdfsNNFailoverTest]
        at [email protected]/jdk.internal.misc.Unsafe.park(Native Method)
        at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
        at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
        at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at [email protected]/java.lang.Thread.run(Thread.java:844)
        at __randomizedtesting.SeedInfo.seed([DA26CFCFFD37EAD2]:0)


FAILED:  org.apache.solr.cloud.hdfs.HdfsNNFailoverTest.test

Error Message:
Timeout occured while waiting response from server at: 
http://127.0.0.1:33725/nn_/iy

Stack Trace:
org.apache.solr.client.solrj.SolrServerException: Timeout occured while waiting 
response from server at: http://127.0.0.1:33725/nn_/iy
        at 
__randomizedtesting.SeedInfo.seed([DA26CFCFFD37EAD2:5272F01553CB872A]:0)
        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:654)
        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:255)
        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:244)
        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:1104)
        at 
org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:884)
        at 
org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:817)
        at 
org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:194)
        at 
org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:211)
        at 
org.apache.solr.cloud.AbstractFullDistribZkTestBase.createJettys(AbstractFullDistribZkTestBase.java:414)
        at 
org.apache.solr.cloud.AbstractFullDistribZkTestBase.createServers(AbstractFullDistribZkTestBase.java:339)
        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 
org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at java.base/java.lang.Thread.run(Thread.java:844)
Caused by: java.net.SocketTimeoutException: Read timed out
        at java.base/java.net.SocketInputStream.socketRead0(Native Method)
        at 
java.base/java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
        at java.base/java.net.SocketInputStream.read(SocketInputStream.java:171)
        at java.base/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:542)
        ... 43 more


FAILED:  org.apache.solr.spelling.SpellCheckCollatorTest.testEstimatedHitCounts

Error Message:
Exception during query

Stack Trace:
java.lang.RuntimeException: Exception during query
        at 
__randomizedtesting.SeedInfo.seed([DA26CFCFFD37EAD2:EB9D71FA5808FA02]:0)
        at org.apache.solr.SolrTestCaseJ4.assertQ(SolrTestCaseJ4.java:902)
        at org.apache.solr.SolrTestCaseJ4.assertQ(SolrTestCaseJ4.java:862)
        at 
org.apache.solr.spelling.SpellCheckCollatorTest.testEstimatedHitCounts(SpellCheckCollatorTest.java:569)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:564)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1737)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:934)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:970)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:984)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:943)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:829)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:879)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:890)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverr

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

4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
   [junit4]    >         at 
[email protected]/java.lang.Thread.run(Thread.java:844)
   [junit4]    >    8) Thread[id=7177, name=qtp1203365993-7177, state=RUNNABLE, 
group=TGRP-HdfsNNFailoverTest]
   [junit4]    >         at 
[email protected]/sun.nio.ch.EPollArrayWrapper.interrupt(Native Method)
   [junit4]    >         at 
[email protected]/sun.nio.ch.EPollArrayWrapper.interrupt(EPollArrayWrapper.java:313)
   [junit4]    >         at 
[email protected]/sun.nio.ch.EPollSelectorImpl.wakeup(EPollSelectorImpl.java:206)
   [junit4]    >         at 
[email protected]/java.nio.channels.spi.AbstractSelector$1.interrupt(AbstractSelector.java:213)
   [junit4]    >         at 
[email protected]/java.nio.channels.spi.AbstractSelector.begin(AbstractSelector.java:219)
   [junit4]    >         at 
[email protected]/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:91)
   [junit4]    >         at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
   [junit4]    >         at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
   [junit4]    >         at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
   [junit4]    >         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
   [junit4]    >         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:100)
   [junit4]    >         at 
app//org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:147)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
   [junit4]    >         at 
[email protected]/java.lang.Thread.run(Thread.java:844)
   [junit4]    >    9) Thread[id=7180, name=qtp1203365993-7180, state=RUNNABLE, 
group=TGRP-HdfsNNFailoverTest]
   [junit4]    >         at 
[email protected]/sun.nio.ch.EPollArrayWrapper.interrupt(Native Method)
   [junit4]    >         at 
[email protected]/sun.nio.ch.EPollArrayWrapper.interrupt(EPollArrayWrapper.java:313)
   [junit4]    >         at 
[email protected]/sun.nio.ch.EPollSelectorImpl.wakeup(EPollSelectorImpl.java:206)
   [junit4]    >         at 
[email protected]/java.nio.channels.spi.AbstractSelector$1.interrupt(AbstractSelector.java:213)
   [junit4]    >         at 
[email protected]/java.nio.channels.spi.AbstractSelector.begin(AbstractSelector.java:219)
   [junit4]    >         at 
[email protected]/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:91)
   [junit4]    >         at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
   [junit4]    >         at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
   [junit4]    >         at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
   [junit4]    >         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
   [junit4]    >         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
   [junit4]    >         at 
[email protected]/java.lang.Thread.run(Thread.java:844)
   [junit4]    >   10) Thread[id=7191, 
name=TEST-HdfsNNFailoverTest.test-seed#[DA26CFCFFD37EAD2]-SendThread(127.0.0.1:39953),
 state=TIMED_WAITING, group=TGRP-HdfsNNFailoverTest]
   [junit4]    >         at [email protected]/java.lang.Thread.sleep(Native 
Method)
   [junit4]    >         at 
app//org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1051)
   [junit4]    >   11) Thread[id=7234, name=zkCallback-1597-thread-3, 
state=TIMED_WAITING, group=TGRP-HdfsNNFailoverTest]
   [junit4]    >         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
   [junit4]    >         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
   [junit4]    >         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
   [junit4]    >         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
   [junit4]    >         at 
[email protected]/java.lang.Thread.run(Thread.java:844)
   [junit4]    >   12) Thread[id=7239, name=zkCallback-1597-thread-7, 
state=TIMED_WAITING, group=TGRP-HdfsNNFailoverTest]
   [junit4]    >         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
   [junit4]    >         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
   [junit4]    >         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
   [junit4]    >         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
   [junit4]    >         at 
[email protected]/java.lang.Thread.run(Thread.java:844)
   [junit4]    >   13) Thread[id=7176, name=qtp1203365993-7176, state=RUNNABLE, 
group=TGRP-HdfsNNFailoverTest]
   [junit4]    >         at [email protected]/sun.nio.ch.IOUtil.drain(Native 
Method)
   [junit4]    >         at 
[email protected]/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:103)
   [junit4]    >         at 
[email protected]/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
   [junit4]    >         at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
   [junit4]    >         at 
[email protected]/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
   [junit4]    >         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
   [junit4]    >         at 
app//org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
   [junit4]    >         at 
app//org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
   [junit4]    >         at 
[email protected]/java.lang.Thread.run(Thread.java:844)
   [junit4]    >   14) Thread[id=7236, name=zkCallback-1597-thread-4, 
state=TIMED_WAITING, group=TGRP-HdfsNNFailoverTest]
   [junit4]    >         at 
[email protected]/jdk.internal.misc.Unsafe.park(Native Method)
   [junit4]    >         at 
[email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
   [junit4]    >         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
   [junit4]    >         at 
[email protected]/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
   [junit4]    >         at 
[email protected]/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1091)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
   [junit4]    >         at 
[email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
   [junit4]    >         at 
[email protected]/java.lang.Thread.run(Thread.java:844)
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([DA26CFCFFD37EAD2]:0)
   [junit4] Completed [405/764 (2!)] on J0 in 636.82s, 1 test, 3 errors <<< 
FAILURES!

[...truncated 41993 lines...]
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