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Posted to hdfs-dev@hadoop.apache.org by Apache Jenkins Server <je...@builds.apache.org> on 2015/09/24 03:19:06 UTC
Hadoop-Hdfs-trunk-Java8 - Build # 409 - Still Failing

See https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/409/

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########################## LAST 60 LINES OF THE CONSOLE ###########################
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[INFO] --- maven-checkstyle-plugin:2.15:checkstyle (default-cli) @ hadoop-hdfs-project ---
[INFO] 
[INFO] --- findbugs-maven-plugin:3.0.0:findbugs (default-cli) @ hadoop-hdfs-project ---
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] Apache Hadoop HDFS Client ......................... SUCCESS [03:23 min]
[INFO] Apache Hadoop HDFS ................................ FAILURE [  03:25 h]
[INFO] Apache Hadoop HttpFS .............................. SKIPPED
[INFO] Apache Hadoop HDFS BookKeeper Journal ............. SKIPPED
[INFO] Apache Hadoop HDFS-NFS ............................ SKIPPED
[INFO] Apache Hadoop HDFS Project ........................ SUCCESS [  0.051 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 03:28 h
[INFO] Finished at: 2015-09-24T01:19:07+00:00
[INFO] Final Memory: 55M/568M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.17:test (default-test) on project hadoop-hdfs: There are test failures.
[ERROR] 
[ERROR] Please refer to /home/jenkins/jenkins-slave/workspace/Hadoop-Hdfs-trunk-Java8/hadoop-hdfs-project/hadoop-hdfs/target/surefire-reports for the individual test results.
[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
[ERROR] 
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <goals> -rf :hadoop-hdfs
Build step 'Execute shell' marked build as failure
Archiving artifacts
Sending artifact delta relative to Hadoop-Hdfs-trunk-Java8 #222
Archived 1 artifacts
Archive block size is 32768
Received 0 blocks and 5317805 bytes
Compression is 0.0%
Took 3.5 sec
Recording test results
Updating YARN-3544
Updating YARN-1643
Updating YARN-3248
Updating YARN-1645
Updating YARN-1644
Updating YARN-3740
Updating YARN-1449
Updating YARN-1651
Updating YARN-3868
Updating YARN-3866
Updating YARN-4171
Updating YARN-3867
Updating YARN-3171
Updating YARN-1884
Updating YARN-1197
Sending e-mails to: hdfs-dev@hadoop.apache.org
Email was triggered for: Failure
Sending email for trigger: Failure



###################################################################################
############################## FAILED TESTS (if any) ##############################
11 tests failed.
REGRESSION:  org.apache.hadoop.hdfs.TestDistributedFileSystem.testDFSClientPeerWriteTimeout

Error Message:
write timedout too late in 1379 ms

Stack Trace:
java.lang.AssertionError: write timedout too late in 1379 ms
	at org.junit.Assert.fail(Assert.java:88)
	at org.junit.Assert.assertTrue(Assert.java:41)
	at org.apache.hadoop.hdfs.TestDistributedFileSystem.testDFSClientPeerWriteTimeout(TestDistributedFileSystem.java:1043)


REGRESSION:  org.apache.hadoop.hdfs.server.balancer.TestBalancer.testManyBalancerSimultaneously

Error Message:
org/apache/hadoop/ipc/ProtobufHelper

Stack Trace:
java.lang.NoClassDefFoundError: org/apache/hadoop/ipc/ProtobufHelper
	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:336)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:251)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:103)
	at com.sun.proxy.$Proxy19.append(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1345)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1409)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1379)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:312)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:308)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:320)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:290)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1168)
	at org.apache.hadoop.hdfs.server.balancer.NameNodeConnector.checkAndMarkRunning(NameNodeConnector.java:241)
	at org.apache.hadoop.hdfs.server.balancer.NameNodeConnector.<init>(NameNodeConnector.java:142)
	at org.apache.hadoop.hdfs.server.balancer.NameNodeConnector.newNameNodeConnectors(NameNodeConnector.java:75)
	at org.apache.hadoop.hdfs.server.balancer.Balancer.run(Balancer.java:652)
	at org.apache.hadoop.hdfs.server.balancer.Balancer$Cli.run(Balancer.java:728)
	at org.apache.hadoop.hdfs.server.balancer.TestBalancer.testManyBalancerSimultaneously(TestBalancer.java:1554)


REGRESSION:  org.apache.hadoop.hdfs.server.balancer.TestBalancer.testBalancerDuringUpgrade

Error Message:
expected:<0> but was:<-3>

Stack Trace:
java.lang.AssertionError: expected:<0> but was:<-3>
	at org.junit.Assert.fail(Assert.java:88)
	at org.junit.Assert.failNotEquals(Assert.java:743)
	at org.junit.Assert.assertEquals(Assert.java:118)
	at org.junit.Assert.assertEquals(Assert.java:555)
	at org.junit.Assert.assertEquals(Assert.java:542)
	at org.apache.hadoop.hdfs.server.balancer.TestBalancer.testBalancerDuringUpgrade(TestBalancer.java:1417)


REGRESSION:  org.apache.hadoop.hdfs.server.blockmanagement.TestBlockManager.testBlocksAreNotUnderreplicatedInSingleRack

Error Message:

BlockCollection$$EnhancerByMockitoWithCGLIB$$62cb02d5 cannot be returned by isRunning()
isRunning() should return boolean

Stack Trace:
org.mockito.exceptions.misusing.WrongTypeOfReturnValue: 
BlockCollection$$EnhancerByMockitoWithCGLIB$$62cb02d5 cannot be returned by isRunning()
isRunning() should return boolean
	at org.apache.hadoop.hdfs.server.blockmanagement.TestBlockManager.addBlockOnNodes(TestBlockManager.java:443)
	at org.apache.hadoop.hdfs.server.blockmanagement.TestBlockManager.doTestSingleRackClusterIsSufficientlyReplicated(TestBlockManager.java:376)
	at org.apache.hadoop.hdfs.server.blockmanagement.TestBlockManager.testBlocksAreNotUnderreplicatedInSingleRack(TestBlockManager.java:368)


REGRESSION:  org.apache.hadoop.hdfs.server.blockmanagement.TestUnderReplicatedBlocks.testSetrepIncWithUnderReplicatedBlocks

Error Message:
test timed out after 60000 milliseconds

Stack Trace:
java.lang.Exception: test timed out after 60000 milliseconds
	at java.lang.Thread.sleep(Native Method)
	at org.apache.hadoop.fs.shell.SetReplication.waitForReplication(SetReplication.java:127)
	at org.apache.hadoop.fs.shell.SetReplication.processArguments(SetReplication.java:77)
	at org.apache.hadoop.fs.shell.FsCommand.processRawArguments(FsCommand.java:119)
	at org.apache.hadoop.fs.shell.Command.run(Command.java:166)
	at org.apache.hadoop.fs.FsShell.run(FsShell.java:310)
	at org.apache.hadoop.hdfs.server.blockmanagement.TestUnderReplicatedBlocks.testSetrepIncWithUnderReplicatedBlocks(TestUnderReplicatedBlocks.java:69)


REGRESSION:  org.apache.hadoop.hdfs.tools.TestDFSZKFailoverController.testManualFailoverWithDFSHAAdmin

Error Message:
null

Stack Trace:
java.lang.NullPointerException: null
	at org.apache.hadoop.ha.ClientBaseWithFixes.tearDown(ClientBaseWithFixes.java:462)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:33)
	at org.junit.rules.TestWatchman$1.evaluate(TestWatchman.java:53)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:264)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153)
	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:124)
	at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:200)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:153)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)


REGRESSION:  org.apache.hadoop.hdfs.tools.TestDFSZKFailoverController.testManualFailover

Error Message:
null

Stack Trace:
java.lang.NullPointerException: null
	at org.apache.hadoop.ha.ClientBaseWithFixes.tearDown(ClientBaseWithFixes.java:462)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:33)
	at org.junit.rules.TestWatchman$1.evaluate(TestWatchman.java:53)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:264)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153)
	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:124)
	at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:200)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:153)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)


REGRESSION:  org.apache.hadoop.hdfs.tools.TestDFSZKFailoverController.testFailoverAndBackOnNNShutdown

Error Message:
null

Stack Trace:
java.lang.NullPointerException: null
	at org.apache.hadoop.ha.ClientBaseWithFixes.tearDown(ClientBaseWithFixes.java:462)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:33)
	at org.junit.rules.TestWatchman$1.evaluate(TestWatchman.java:53)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:264)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153)
	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:124)
	at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:200)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:153)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)


REGRESSION:  org.apache.hadoop.hdfs.tools.TestDFSZKFailoverController.testThreadDumpCaptureAfterNNStateChange

Error Message:
Timed out waiting for condition. Thread diagnostics:
Timestamp: 2015-09-24 12:46:39,224

"IPC Server listener on 10021" daemon prio=5 tid=525 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at org.apache.hadoop.ipc.Server$Listener.run(Server.java:754)
"pool-44-thread-1"  prio=5 tid=573 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"ProcessThread(sid:0 cport:-1):"  prio=5 tid=510 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:120)
"IPC Server handler 0 on 10023" daemon prio=5 tid=589 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"pool-41-thread-1"  prio=5 tid=545 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"AsyncAppender-Dispatcher-Thread-32" daemon prio=5 tid=60 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:502)
        at org.apache.log4j.AsyncAppender$Dispatcher.run(AsyncAppender.java:548)
        at java.lang.Thread.run(Thread.java:744)
"2118571592@qtp-1602530280-0" daemon prio=5 tid=548 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Object.wait(Native Method)
        at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:626)
"ZKFC Delay timer #0" daemon prio=5 tid=302 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1081)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"IPC Server Responder" daemon prio=5 tid=608 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at org.apache.hadoop.ipc.Server$Responder.doRunLoop(Server.java:928)
        at org.apache.hadoop.ipc.Server$Responder.run(Server.java:911)
"DecommissionMonitor-0" daemon prio=5 tid=534 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"IPC Server handler 4 on 10021" daemon prio=5 tid=539 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"SessionTracker"  prio=5 tid=508 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Object.wait(Native Method)
        at org.apache.zookeeper.server.SessionTrackerImpl.run(SessionTrackerImpl.java:146)
"IPC Server handler 1 on 10021" daemon prio=5 tid=536 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"Health Monitor for NameNode at localhost/127.0.0.1:10021" daemon prio=5 tid=588 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.ha.HealthMonitor.doHealthChecks(HealthMonitor.java:228)
        at org.apache.hadoop.ha.HealthMonitor.access$600(HealthMonitor.java:49)
        at org.apache.hadoop.ha.HealthMonitor$MonitorDaemon.run(HealthMonitor.java:297)
"org.apache.hadoop.hdfs.server.blockmanagement.PendingReplicationBlocks$PendingReplicationMonitor@5116ac09" daemon prio=5 tid=561 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.hdfs.server.blockmanagement.PendingReplicationBlocks$PendingReplicationMonitor.run(PendingReplicationBlocks.java:220)
        at java.lang.Thread.run(Thread.java:744)
"org.apache.hadoop.util.JvmPauseMonitor$Monitor@703feacd" daemon prio=5 tid=529 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.util.JvmPauseMonitor$Monitor.run(JvmPauseMonitor.java:182)
        at java.lang.Thread.run(Thread.java:744)
"Edit log tailer"  prio=5 tid=574 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.doWork(EditLogTailer.java:387)
        at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.access$400(EditLogTailer.java:324)
        at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread$1.run(EditLogTailer.java:341)
        at org.apache.hadoop.security.SecurityUtil.doAsLoginUserOrFatal(SecurityUtil.java:415)
        at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.run(EditLogTailer.java:337)
"IPC Server listener on 10022" daemon prio=5 tid=553 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at org.apache.hadoop.ipc.Server$Listener.run(Server.java:754)
"ZKFC Delay timer #0" daemon prio=5 tid=160 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1081)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$ReplicationMonitor@1440c311" daemon prio=5 tid=523 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$ReplicationMonitor.run(BlockManager.java:3675)
        at java.lang.Thread.run(Thread.java:744)
"org.apache.hadoop.util.JvmPauseMonitor$Monitor@614aeccc" daemon prio=5 tid=557 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.util.JvmPauseMonitor$Monitor.run(JvmPauseMonitor.java:182)
        at java.lang.Thread.run(Thread.java:744)
"1366629983@qtp-1602530280-1 - Acceptor0 SelectChannelConnector@localhost:54476" daemon prio=5 tid=549 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at org.mortbay.io.nio.SelectorManager$SelectSet.doSelect(SelectorManager.java:498)
        at org.mortbay.io.nio.SelectorManager.doSelect(SelectorManager.java:192)
        at org.mortbay.jetty.nio.SelectChannelConnector.accept(SelectChannelConnector.java:124)
        at org.mortbay.jetty.AbstractConnector$Acceptor.run(AbstractConnector.java:708)
        at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
"Thread-456"  prio=5 tid=616 runnable
java.lang.Thread.State: RUNNABLE
        at java.lang.Thread.dumpThreads(Native Method)
        at java.lang.Thread.getAllStackTraces(Thread.java:1602)
        at org.apache.hadoop.test.TimedOutTestsListener.buildThreadDump(TimedOutTestsListener.java:87)
        at org.apache.hadoop.test.TimedOutTestsListener.buildThreadDiagnosticString(TimedOutTestsListener.java:73)
        at org.apache.hadoop.test.GenericTestUtils.waitFor(GenericTestUtils.java:167)
        at org.apache.hadoop.hdfs.tools.TestDFSZKFailoverController.waitForHAState(TestDFSZKFailoverController.java:207)
        at org.apache.hadoop.hdfs.tools.TestDFSZKFailoverController.testThreadDumpCaptureAfterNNStateChange(TestDFSZKFailoverController.java:137)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
        at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
        at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
        at org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:52)
        at org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
"org.apache.hadoop.hdfs.server.namenode.LeaseManager$Monitor@62bb7f7f" daemon prio=5 tid=597 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.hdfs.server.namenode.LeaseManager$Monitor.run(LeaseManager.java:341)
        at java.lang.Thread.run(Thread.java:744)
"Socket Reader #1 for port 10024"  prio=5 tid=606 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at org.apache.hadoop.ipc.Server$Listener$Reader.doRunLoop(Server.java:701)
        at org.apache.hadoop.ipc.Server$Listener$Reader.run(Server.java:680)
"ZKFC Delay timer #0-SendThread(127.0.0.1:2181)" daemon prio=5 tid=488 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)
        at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:940)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1003)
"IPC Server listener on 10024" daemon prio=5 tid=605 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at org.apache.hadoop.ipc.Server$Listener.run(Server.java:754)
"IPC Server handler 5 on 10021" daemon prio=5 tid=540 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"org.apache.hadoop.hdfs.server.blockmanagement.HeartbeatManager$Monitor@189b5fb1" daemon prio=5 tid=524 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.hdfs.server.blockmanagement.HeartbeatManager$Monitor.run(HeartbeatManager.java:396)
        at java.lang.Thread.run(Thread.java:744)
"Health Monitor for NameNode at localhost/127.0.0.1:10022" daemon prio=5 tid=609 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.util.HashMap$Values.size(HashMap.java:957)
        at java.util.AbstractCollection.toArray(AbstractCollection.java:136)
        at java.util.ArrayList.<init>(ArrayList.java:168)
        at org.apache.hadoop.security.UserGroupInformation.getTokens(UserGroupInformation.java:1473)
        at org.apache.hadoop.ipc.Client$Connection.<init>(Client.java:445)
        at org.apache.hadoop.ipc.Client$1.call(Client.java:1488)
        at org.apache.hadoop.ipc.Client$1.call(Client.java:1485)
        at com.google.common.cache.LocalCache$LocalManualCache$1.load(LocalCache.java:4767)
        at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3568)
        at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2350)
        at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2313)
        at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2228)
        at com.google.common.cache.LocalCache.get(LocalCache.java:3965)
        at com.google.common.cache.LocalCache$LocalManualCache.get(LocalCache.java:4764)
        at org.apache.hadoop.ipc.Client.getConnection(Client.java:1485)
        at org.apache.hadoop.ipc.Client.call(Client.java:1415)
        at org.apache.hadoop.ipc.Client.call(Client.java:1376)
        at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
        at com.sun.proxy.$Proxy22.getServiceStatus(Unknown Source)
        at org.apache.hadoop.ha.protocolPB.HAServiceProtocolClientSideTranslatorPB.getServiceStatus(HAServiceProtocolClientSideTranslatorPB.java:122)
        at org.apache.hadoop.ha.HealthMonitor.doHealthChecks(HealthMonitor.java:202)
        at org.apache.hadoop.ha.HealthMonitor.access$600(HealthMonitor.java:49)
        at org.apache.hadoop.ha.HealthMonitor$MonitorDaemon.run(HealthMonitor.java:297)
"IPC Server Responder" daemon prio=5 tid=528 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at org.apache.hadoop.ipc.Server$Responder.doRunLoop(Server.java:928)
        at org.apache.hadoop.ipc.Server$Responder.run(Server.java:911)
"NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181" daemon prio=5 tid=507 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:178)
        at java.lang.Thread.run(Thread.java:744)
"IPC Server idle connection scanner for port 10021" daemon prio=5 tid=527 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Object.wait(Native Method)
        at java.util.TimerThread.mainLoop(Timer.java:552)
        at java.util.TimerThread.run(Timer.java:505)
"client DomainSocketWatcher" daemon prio=5 tid=91 runnable
java.lang.Thread.State: RUNNABLE
        at org.apache.hadoop.net.unix.DomainSocketWatcher.doPoll0(Native Method)
        at org.apache.hadoop.net.unix.DomainSocketWatcher.access$900(DomainSocketWatcher.java:52)
        at org.apache.hadoop.net.unix.DomainSocketWatcher$2.run(DomainSocketWatcher.java:511)
        at java.lang.Thread.run(Thread.java:744)
"IPC Server handler 2 on 10022" daemon prio=5 tid=565 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"IPC Server handler 1 on 10022" daemon prio=5 tid=564 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"IPC Parameter Sending Thread #1" daemon prio=5 tid=675 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"org.apache.hadoop.hdfs.server.namenode.FSNamesystem$NameNodeResourceMonitor@6c7c9d58" daemon prio=5 tid=598 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem$NameNodeResourceMonitor.run(FSNamesystem.java:3630)
        at java.lang.Thread.run(Thread.java:744)
"IPC Server idle connection scanner for port 10023" daemon prio=5 tid=586 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Object.wait(Native Method)
        at java.util.TimerThread.mainLoop(Timer.java:552)
        at java.util.TimerThread.run(Timer.java:505)
"pool-42-thread-1"  prio=5 tid=547 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"main"  prio=5 tid=1 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Object.wait(Native Method)
        at java.lang.Thread.join(Thread.java:1252)
        at org.junit.internal.runners.statements.FailOnTimeout.evaluateStatement(FailOnTimeout.java:26)
        at org.junit.internal.runners.statements.FailOnTimeout.evaluate(FailOnTimeout.java:17)
        at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
        at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
        at org.junit.rules.TestWatchman$1.evaluate(TestWatchman.java:53)
        at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
        at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
        at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
        at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:264)
        at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153)
        at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:124)
        at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:200)
        at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:153)
        at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)
"1908999587@qtp-1785807415-0" daemon prio=5 tid=520 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Object.wait(Native Method)
        at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:626)
"Socket Reader #1 for port 10021"  prio=5 tid=526 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at org.apache.hadoop.ipc.Server$Listener$Reader.doRunLoop(Server.java:701)
        at org.apache.hadoop.ipc.Server$Listener$Reader.run(Server.java:680)
"ZKFC Delay timer #0" daemon prio=5 tid=143 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1081)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"IPC Server handler 2 on 10021" daemon prio=5 tid=537 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"IPC Server listener on 10023" daemon prio=5 tid=584 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at org.apache.hadoop.ipc.Server$Listener.run(Server.java:754)
"IPC Server handler 9 on 10021" daemon prio=5 tid=544 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"Thread-445-EventThread" daemon prio=5 tid=604 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)
"Thread-445-SendThread(127.0.0.1:2181)" daemon prio=5 tid=603 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)
"IPC Server handler 8 on 10022" daemon prio=5 tid=571 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"IPC Server handler 7 on 10021" daemon prio=5 tid=542 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"ZKFC Delay timer #0" daemon prio=5 tid=285 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1081)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"IPC Parameter Sending Thread #0" daemon prio=5 tid=114 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"IPC Server handler 4 on 10022" daemon prio=5 tid=567 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"CacheReplicationMonitor(195598626)" daemon prio=5 tid=601 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2163)
        at org.apache.hadoop.hdfs.server.blockmanagement.CacheReplicationMonitor.run(CacheReplicationMonitor.java:181)
"Timer-8" daemon prio=5 tid=550 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Object.wait(Native Method)
        at java.util.TimerThread.mainLoop(Timer.java:552)
        at java.util.TimerThread.run(Timer.java:505)
"Signal Dispatcher" daemon prio=9 tid=4 runnable
java.lang.Thread.State: RUNNABLE
"ZKFC Delay timer #0-EventThread" daemon prio=5 tid=489 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)
"IPC Server handler 2 on 10024" daemon prio=5 tid=612 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"IPC Server handler 9 on 10022" daemon prio=5 tid=572 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"IPC Server Responder" daemon prio=5 tid=556 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at org.apache.hadoop.ipc.Server$Responder.doRunLoop(Server.java:928)
        at org.apache.hadoop.ipc.Server$Responder.run(Server.java:911)
"org.apache.hadoop.hdfs.server.namenode.FSNamesystem$LazyPersistFileScrubber@2d419763" daemon prio=5 tid=600 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem$LazyPersistFileScrubber.run(FSNamesystem.java:3756)
        at java.lang.Thread.run(Thread.java:744)
"process reaper" daemon prio=10 tid=24 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"IPC Server idle connection scanner for port 10022" daemon prio=5 tid=555 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Object.wait(Native Method)
        at java.util.TimerThread.mainLoop(Timer.java:552)
        at java.util.TimerThread.run(Timer.java:505)
"IPC Server Responder" daemon prio=5 tid=587 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at org.apache.hadoop.ipc.Server$Responder.doRunLoop(Server.java:928)
        at org.apache.hadoop.ipc.Server$Responder.run(Server.java:911)
"DecommissionMonitor-0" daemon prio=5 tid=562 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"Timer-7" daemon prio=5 tid=522 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Object.wait(Native Method)
        at java.util.TimerThread.mainLoop(Timer.java:552)
        at java.util.TimerThread.run(Timer.java:505)
"IPC Server handler 5 on 10022" daemon prio=5 tid=568 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"ZKFC Delay timer #0-EventThread" daemon prio=5 tid=618 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)
"org.apache.hadoop.fs.FileSystem$Statistics$StatisticsDataReferenceCleaner" daemon prio=5 tid=30 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:142)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:158)
        at org.apache.hadoop.fs.FileSystem$Statistics$StatisticsDataReferenceCleaner.run(FileSystem.java:3116)
        at java.lang.Thread.run(Thread.java:744)
"IPC Server idle connection scanner for port 10024" daemon prio=5 tid=607 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Object.wait(Native Method)
        at java.util.TimerThread.mainLoop(Timer.java:552)
        at java.util.TimerThread.run(Timer.java:505)
"Finalizer" daemon prio=8 tid=3 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:142)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:158)
        at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:209)
"IPC Server handler 6 on 10022" daemon prio=5 tid=569 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"IPC Server handler 0 on 10022" daemon prio=5 tid=563 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"org.apache.hadoop.hdfs.server.namenode.FSNamesystem$NameNodeEditLogRoller@6843140f" daemon prio=5 tid=599 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem$NameNodeEditLogRoller.run(FSNamesystem.java:3674)
        at java.lang.Thread.run(Thread.java:744)
"ZKFC Delay timer #0-SendThread(127.0.0.1:2181)" daemon prio=5 tid=617 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)
"org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$ReplicationMonitor@5c92166b" daemon prio=5 tid=551 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$ReplicationMonitor.run(BlockManager.java:3675)
        at java.lang.Thread.run(Thread.java:744)
"SyncThread:0"  prio=5 tid=509 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.server.SyncRequestProcessor.run(SyncRequestProcessor.java:127)
"IPC Server handler 3 on 10022" daemon prio=5 tid=566 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"IPC Server handler 6 on 10021" daemon prio=5 tid=541 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"org.apache.hadoop.hdfs.server.blockmanagement.HeartbeatManager$Monitor@659925f4" daemon prio=5 tid=552 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.hdfs.server.blockmanagement.HeartbeatManager$Monitor.run(HeartbeatManager.java:396)
        at java.lang.Thread.run(Thread.java:744)
"pool-39-thread-1"  prio=5 tid=519 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"Reference Handler" daemon prio=10 tid=2 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:502)
        at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:157)
"IPC Server handler 1 on 10023" daemon prio=5 tid=590 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"Thread-445"  prio=5 tid=602 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:502)
        at org.apache.hadoop.ha.ZKFailoverController.mainLoop(ZKFailoverController.java:369)
        at org.apache.hadoop.ha.ZKFailoverController.doRun(ZKFailoverController.java:241)
        at org.apache.hadoop.ha.ZKFailoverController.access$000(ZKFailoverController.java:62)
        at org.apache.hadoop.ha.ZKFailoverController$1.run(ZKFailoverController.java:174)
        at org.apache.hadoop.ha.ZKFailoverController$1.run(ZKFailoverController.java:170)
        at org.apache.hadoop.security.SecurityUtil.doAsLoginUserOrFatal(SecurityUtil.java:415)
        at org.apache.hadoop.ha.ZKFailoverController.run(ZKFailoverController.java:170)
        at org.apache.hadoop.hdfs.tools.TestDFSZKFailoverController$ZKFCThread.doWork(TestDFSZKFailoverController.java:236)
        at org.apache.hadoop.test.MultithreadedTestUtil$TestingThread.run(MultithreadedTestUtil.java:189)
"IPC Server handler 8 on 10021" daemon prio=5 tid=543 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"816804727@qtp-1785807415-1 - Acceptor0 SelectChannelConnector@localhost:48884" daemon prio=5 tid=521 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at org.mortbay.io.nio.SelectorManager$SelectSet.doSelect(SelectorManager.java:498)
        at org.mortbay.io.nio.SelectorManager.doSelect(SelectorManager.java:192)
        at org.mortbay.jetty.nio.SelectChannelConnector.accept(SelectChannelConnector.java:124)
        at org.mortbay.jetty.AbstractConnector$Acceptor.run(AbstractConnector.java:708)
        at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
"IPC Server handler 2 on 10023" daemon prio=5 tid=592 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"Timer for 'NameNode' metrics system" daemon prio=5 tid=518 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Object.wait(Native Method)
        at java.util.TimerThread.mainLoop(Timer.java:552)
        at java.util.TimerThread.run(Timer.java:505)
"Socket Reader #1 for port 10022"  prio=5 tid=554 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at org.apache.hadoop.ipc.Server$Listener$Reader.doRunLoop(Server.java:701)
        at org.apache.hadoop.ipc.Server$Listener$Reader.run(Server.java:680)
"org.apache.hadoop.hdfs.server.blockmanagement.PendingReplicationBlocks$PendingReplicationMonitor@7051777c" daemon prio=5 tid=533 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.hdfs.server.blockmanagement.PendingReplicationBlocks$PendingReplicationMonitor.run(PendingReplicationBlocks.java:220)
        at java.lang.Thread.run(Thread.java:744)
"IPC Server handler 0 on 10021" daemon prio=5 tid=535 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"IPC Server handler 1 on 10024" daemon prio=5 tid=611 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"IPC Server handler 7 on 10022" daemon prio=5 tid=570 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"IPC Server handler 0 on 10024" daemon prio=5 tid=610 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"IPC Server handler 3 on 10021" daemon prio=5 tid=538 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"Thread-428"  prio=5 tid=579 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:502)
        at org.apache.hadoop.ha.ZKFailoverController.mainLoop(ZKFailoverController.java:369)
        at org.apache.hadoop.ha.ZKFailoverController.doRun(ZKFailoverController.java:241)
        at org.apache.hadoop.ha.ZKFailoverController.access$000(ZKFailoverController.java:62)
        at org.apache.hadoop.ha.ZKFailoverController$1.run(ZKFailoverController.java:174)
        at org.apache.hadoop.ha.ZKFailoverController$1.run(ZKFailoverController.java:170)
        at org.apache.hadoop.security.SecurityUtil.doAsLoginUserOrFatal(SecurityUtil.java:415)
        at org.apache.hadoop.ha.ZKFailoverController.run(ZKFailoverController.java:170)
        at org.apache.hadoop.hdfs.tools.TestDFSZKFailoverController$ZKFCThread.doWork(TestDFSZKFailoverController.java:236)
        at org.apache.hadoop.test.MultithreadedTestUtil$TestingThread.run(MultithreadedTestUtil.java:189)
"Socket Reader #1 for port 10023"  prio=5 tid=585 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at org.apache.hadoop.ipc.Server$Listener$Reader.doRunLoop(Server.java:701)
        at org.apache.hadoop.ipc.Server$Listener$Reader.run(Server.java:680)



Stack Trace:
java.util.concurrent.TimeoutException: Timed out waiting for condition. Thread diagnostics:
Timestamp: 2015-09-24 12:46:39,224

"IPC Server listener on 10021" daemon prio=5 tid=525 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at org.apache.hadoop.ipc.Server$Listener.run(Server.java:754)
"pool-44-thread-1"  prio=5 tid=573 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"ProcessThread(sid:0 cport:-1):"  prio=5 tid=510 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:120)
"IPC Server handler 0 on 10023" daemon prio=5 tid=589 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"pool-41-thread-1"  prio=5 tid=545 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"AsyncAppender-Dispatcher-Thread-32" daemon prio=5 tid=60 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:502)
        at org.apache.log4j.AsyncAppender$Dispatcher.run(AsyncAppender.java:548)
        at java.lang.Thread.run(Thread.java:744)
"2118571592@qtp-1602530280-0" daemon prio=5 tid=548 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Object.wait(Native Method)
        at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:626)
"ZKFC Delay timer #0" daemon prio=5 tid=302 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1081)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"IPC Server Responder" daemon prio=5 tid=608 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at org.apache.hadoop.ipc.Server$Responder.doRunLoop(Server.java:928)
        at org.apache.hadoop.ipc.Server$Responder.run(Server.java:911)
"DecommissionMonitor-0" daemon prio=5 tid=534 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"IPC Server handler 4 on 10021" daemon prio=5 tid=539 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"SessionTracker"  prio=5 tid=508 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Object.wait(Native Method)
        at org.apache.zookeeper.server.SessionTrackerImpl.run(SessionTrackerImpl.java:146)
"IPC Server handler 1 on 10021" daemon prio=5 tid=536 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"Health Monitor for NameNode at localhost/127.0.0.1:10021" daemon prio=5 tid=588 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.ha.HealthMonitor.doHealthChecks(HealthMonitor.java:228)
        at org.apache.hadoop.ha.HealthMonitor.access$600(HealthMonitor.java:49)
        at org.apache.hadoop.ha.HealthMonitor$MonitorDaemon.run(HealthMonitor.java:297)
"org.apache.hadoop.hdfs.server.blockmanagement.PendingReplicationBlocks$PendingReplicationMonitor@5116ac09" daemon prio=5 tid=561 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.hdfs.server.blockmanagement.PendingReplicationBlocks$PendingReplicationMonitor.run(PendingReplicationBlocks.java:220)
        at java.lang.Thread.run(Thread.java:744)
"org.apache.hadoop.util.JvmPauseMonitor$Monitor@703feacd" daemon prio=5 tid=529 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.util.JvmPauseMonitor$Monitor.run(JvmPauseMonitor.java:182)
        at java.lang.Thread.run(Thread.java:744)
"Edit log tailer"  prio=5 tid=574 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.doWork(EditLogTailer.java:387)
        at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.access$400(EditLogTailer.java:324)
        at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread$1.run(EditLogTailer.java:341)
        at org.apache.hadoop.security.SecurityUtil.doAsLoginUserOrFatal(SecurityUtil.java:415)
        at org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.run(EditLogTailer.java:337)
"IPC Server listener on 10022" daemon prio=5 tid=553 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at org.apache.hadoop.ipc.Server$Listener.run(Server.java:754)
"ZKFC Delay timer #0" daemon prio=5 tid=160 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1081)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$ReplicationMonitor@1440c311" daemon prio=5 tid=523 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$ReplicationMonitor.run(BlockManager.java:3675)
        at java.lang.Thread.run(Thread.java:744)
"org.apache.hadoop.util.JvmPauseMonitor$Monitor@614aeccc" daemon prio=5 tid=557 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.util.JvmPauseMonitor$Monitor.run(JvmPauseMonitor.java:182)
        at java.lang.Thread.run(Thread.java:744)
"1366629983@qtp-1602530280-1 - Acceptor0 SelectChannelConnector@localhost:54476" daemon prio=5 tid=549 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at org.mortbay.io.nio.SelectorManager$SelectSet.doSelect(SelectorManager.java:498)
        at org.mortbay.io.nio.SelectorManager.doSelect(SelectorManager.java:192)
        at org.mortbay.jetty.nio.SelectChannelConnector.accept(SelectChannelConnector.java:124)
        at org.mortbay.jetty.AbstractConnector$Acceptor.run(AbstractConnector.java:708)
        at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
"Thread-456"  prio=5 tid=616 runnable
java.lang.Thread.State: RUNNABLE
        at java.lang.Thread.dumpThreads(Native Method)
        at java.lang.Thread.getAllStackTraces(Thread.java:1602)
        at org.apache.hadoop.test.TimedOutTestsListener.buildThreadDump(TimedOutTestsListener.java:87)
        at org.apache.hadoop.test.TimedOutTestsListener.buildThreadDiagnosticString(TimedOutTestsListener.java:73)
        at org.apache.hadoop.test.GenericTestUtils.waitFor(GenericTestUtils.java:167)
        at org.apache.hadoop.hdfs.tools.TestDFSZKFailoverController.waitForHAState(TestDFSZKFailoverController.java:207)
        at org.apache.hadoop.hdfs.tools.TestDFSZKFailoverController.testThreadDumpCaptureAfterNNStateChange(TestDFSZKFailoverController.java:137)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
        at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
        at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
        at org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:52)
        at org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
"org.apache.hadoop.hdfs.server.namenode.LeaseManager$Monitor@62bb7f7f" daemon prio=5 tid=597 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.hdfs.server.namenode.LeaseManager$Monitor.run(LeaseManager.java:341)
        at java.lang.Thread.run(Thread.java:744)
"Socket Reader #1 for port 10024"  prio=5 tid=606 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at org.apache.hadoop.ipc.Server$Listener$Reader.doRunLoop(Server.java:701)
        at org.apache.hadoop.ipc.Server$Listener$Reader.run(Server.java:680)
"ZKFC Delay timer #0-SendThread(127.0.0.1:2181)" daemon prio=5 tid=488 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:101)
        at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:940)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1003)
"IPC Server listener on 10024" daemon prio=5 tid=605 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at org.apache.hadoop.ipc.Server$Listener.run(Server.java:754)
"IPC Server handler 5 on 10021" daemon prio=5 tid=540 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"org.apache.hadoop.hdfs.server.blockmanagement.HeartbeatManager$Monitor@189b5fb1" daemon prio=5 tid=524 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.hdfs.server.blockmanagement.HeartbeatManager$Monitor.run(HeartbeatManager.java:396)
        at java.lang.Thread.run(Thread.java:744)
"Health Monitor for NameNode at localhost/127.0.0.1:10022" daemon prio=5 tid=609 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.util.HashMap$Values.size(HashMap.java:957)
        at java.util.AbstractCollection.toArray(AbstractCollection.java:136)
        at java.util.ArrayList.<init>(ArrayList.java:168)
        at org.apache.hadoop.security.UserGroupInformation.getTokens(UserGroupInformation.java:1473)
        at org.apache.hadoop.ipc.Client$Connection.<init>(Client.java:445)
        at org.apache.hadoop.ipc.Client$1.call(Client.java:1488)
        at org.apache.hadoop.ipc.Client$1.call(Client.java:1485)
        at com.google.common.cache.LocalCache$LocalManualCache$1.load(LocalCache.java:4767)
        at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3568)
        at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2350)
        at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2313)
        at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2228)
        at com.google.common.cache.LocalCache.get(LocalCache.java:3965)
        at com.google.common.cache.LocalCache$LocalManualCache.get(LocalCache.java:4764)
        at org.apache.hadoop.ipc.Client.getConnection(Client.java:1485)
        at org.apache.hadoop.ipc.Client.call(Client.java:1415)
        at org.apache.hadoop.ipc.Client.call(Client.java:1376)
        at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
        at com.sun.proxy.$Proxy22.getServiceStatus(Unknown Source)
        at org.apache.hadoop.ha.protocolPB.HAServiceProtocolClientSideTranslatorPB.getServiceStatus(HAServiceProtocolClientSideTranslatorPB.java:122)
        at org.apache.hadoop.ha.HealthMonitor.doHealthChecks(HealthMonitor.java:202)
        at org.apache.hadoop.ha.HealthMonitor.access$600(HealthMonitor.java:49)
        at org.apache.hadoop.ha.HealthMonitor$MonitorDaemon.run(HealthMonitor.java:297)
"IPC Server Responder" daemon prio=5 tid=528 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at org.apache.hadoop.ipc.Server$Responder.doRunLoop(Server.java:928)
        at org.apache.hadoop.ipc.Server$Responder.run(Server.java:911)
"NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181" daemon prio=5 tid=507 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:178)
        at java.lang.Thread.run(Thread.java:744)
"IPC Server idle connection scanner for port 10021" daemon prio=5 tid=527 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Object.wait(Native Method)
        at java.util.TimerThread.mainLoop(Timer.java:552)
        at java.util.TimerThread.run(Timer.java:505)
"client DomainSocketWatcher" daemon prio=5 tid=91 runnable
java.lang.Thread.State: RUNNABLE
        at org.apache.hadoop.net.unix.DomainSocketWatcher.doPoll0(Native Method)
        at org.apache.hadoop.net.unix.DomainSocketWatcher.access$900(DomainSocketWatcher.java:52)
        at org.apache.hadoop.net.unix.DomainSocketWatcher$2.run(DomainSocketWatcher.java:511)
        at java.lang.Thread.run(Thread.java:744)
"IPC Server handler 2 on 10022" daemon prio=5 tid=565 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"IPC Server handler 1 on 10022" daemon prio=5 tid=564 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"IPC Parameter Sending Thread #1" daemon prio=5 tid=675 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"org.apache.hadoop.hdfs.server.namenode.FSNamesystem$NameNodeResourceMonitor@6c7c9d58" daemon prio=5 tid=598 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem$NameNodeResourceMonitor.run(FSNamesystem.java:3630)
        at java.lang.Thread.run(Thread.java:744)
"IPC Server idle connection scanner for port 10023" daemon prio=5 tid=586 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Object.wait(Native Method)
        at java.util.TimerThread.mainLoop(Timer.java:552)
        at java.util.TimerThread.run(Timer.java:505)
"pool-42-thread-1"  prio=5 tid=547 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"main"  prio=5 tid=1 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Object.wait(Native Method)
        at java.lang.Thread.join(Thread.java:1252)
        at org.junit.internal.runners.statements.FailOnTimeout.evaluateStatement(FailOnTimeout.java:26)
        at org.junit.internal.runners.statements.FailOnTimeout.evaluate(FailOnTimeout.java:17)
        at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
        at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
        at org.junit.rules.TestWatchman$1.evaluate(TestWatchman.java:53)
        at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
        at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
        at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
        at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:264)
        at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153)
        at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:124)
        at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:200)
        at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:153)
        at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)
"1908999587@qtp-1785807415-0" daemon prio=5 tid=520 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Object.wait(Native Method)
        at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:626)
"Socket Reader #1 for port 10021"  prio=5 tid=526 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at org.apache.hadoop.ipc.Server$Listener$Reader.doRunLoop(Server.java:701)
        at org.apache.hadoop.ipc.Server$Listener$Reader.run(Server.java:680)
"ZKFC Delay timer #0" daemon prio=5 tid=143 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1081)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"IPC Server handler 2 on 10021" daemon prio=5 tid=537 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"IPC Server listener on 10023" daemon prio=5 tid=584 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at org.apache.hadoop.ipc.Server$Listener.run(Server.java:754)
"IPC Server handler 9 on 10021" daemon prio=5 tid=544 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"Thread-445-EventThread" daemon prio=5 tid=604 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)
"Thread-445-SendThread(127.0.0.1:2181)" daemon prio=5 tid=603 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)
"IPC Server handler 8 on 10022" daemon prio=5 tid=571 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"IPC Server handler 7 on 10021" daemon prio=5 tid=542 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"ZKFC Delay timer #0" daemon prio=5 tid=285 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1081)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"IPC Parameter Sending Thread #0" daemon prio=5 tid=114 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"IPC Server handler 4 on 10022" daemon prio=5 tid=567 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"CacheReplicationMonitor(195598626)" daemon prio=5 tid=601 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2163)
        at org.apache.hadoop.hdfs.server.blockmanagement.CacheReplicationMonitor.run(CacheReplicationMonitor.java:181)
"Timer-8" daemon prio=5 tid=550 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Object.wait(Native Method)
        at java.util.TimerThread.mainLoop(Timer.java:552)
        at java.util.TimerThread.run(Timer.java:505)
"Signal Dispatcher" daemon prio=9 tid=4 runnable
java.lang.Thread.State: RUNNABLE
"ZKFC Delay timer #0-EventThread" daemon prio=5 tid=489 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)
"IPC Server handler 2 on 10024" daemon prio=5 tid=612 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"IPC Server handler 9 on 10022" daemon prio=5 tid=572 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"IPC Server Responder" daemon prio=5 tid=556 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at org.apache.hadoop.ipc.Server$Responder.doRunLoop(Server.java:928)
        at org.apache.hadoop.ipc.Server$Responder.run(Server.java:911)
"org.apache.hadoop.hdfs.server.namenode.FSNamesystem$LazyPersistFileScrubber@2d419763" daemon prio=5 tid=600 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem$LazyPersistFileScrubber.run(FSNamesystem.java:3756)
        at java.lang.Thread.run(Thread.java:744)
"process reaper" daemon prio=10 tid=24 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"IPC Server idle connection scanner for port 10022" daemon prio=5 tid=555 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Object.wait(Native Method)
        at java.util.TimerThread.mainLoop(Timer.java:552)
        at java.util.TimerThread.run(Timer.java:505)
"IPC Server Responder" daemon prio=5 tid=587 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at org.apache.hadoop.ipc.Server$Responder.doRunLoop(Server.java:928)
        at org.apache.hadoop.ipc.Server$Responder.run(Server.java:911)
"DecommissionMonitor-0" daemon prio=5 tid=562 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"Timer-7" daemon prio=5 tid=522 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Object.wait(Native Method)
        at java.util.TimerThread.mainLoop(Timer.java:552)
        at java.util.TimerThread.run(Timer.java:505)
"IPC Server handler 5 on 10022" daemon prio=5 tid=568 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"ZKFC Delay timer #0-EventThread" daemon prio=5 tid=618 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494)
"org.apache.hadoop.fs.FileSystem$Statistics$StatisticsDataReferenceCleaner" daemon prio=5 tid=30 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:142)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:158)
        at org.apache.hadoop.fs.FileSystem$Statistics$StatisticsDataReferenceCleaner.run(FileSystem.java:3116)
        at java.lang.Thread.run(Thread.java:744)
"IPC Server idle connection scanner for port 10024" daemon prio=5 tid=607 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Object.wait(Native Method)
        at java.util.TimerThread.mainLoop(Timer.java:552)
        at java.util.TimerThread.run(Timer.java:505)
"Finalizer" daemon prio=8 tid=3 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:142)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:158)
        at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:209)
"IPC Server handler 6 on 10022" daemon prio=5 tid=569 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"IPC Server handler 0 on 10022" daemon prio=5 tid=563 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"org.apache.hadoop.hdfs.server.namenode.FSNamesystem$NameNodeEditLogRoller@6843140f" daemon prio=5 tid=599 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem$NameNodeEditLogRoller.run(FSNamesystem.java:3674)
        at java.lang.Thread.run(Thread.java:744)
"ZKFC Delay timer #0-SendThread(127.0.0.1:2181)" daemon prio=5 tid=617 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)
"org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$ReplicationMonitor@5c92166b" daemon prio=5 tid=551 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$ReplicationMonitor.run(BlockManager.java:3675)
        at java.lang.Thread.run(Thread.java:744)
"SyncThread:0"  prio=5 tid=509 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
        at org.apache.zookeeper.server.SyncRequestProcessor.run(SyncRequestProcessor.java:127)
"IPC Server handler 3 on 10022" daemon prio=5 tid=566 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"IPC Server handler 6 on 10021" daemon prio=5 tid=541 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"org.apache.hadoop.hdfs.server.blockmanagement.HeartbeatManager$Monitor@659925f4" daemon prio=5 tid=552 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.hdfs.server.blockmanagement.HeartbeatManager$Monitor.run(HeartbeatManager.java:396)
        at java.lang.Thread.run(Thread.java:744)
"pool-39-thread-1"  prio=5 tid=519 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
"Reference Handler" daemon prio=10 tid=2 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:502)
        at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:157)
"IPC Server handler 1 on 10023" daemon prio=5 tid=590 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"Thread-445"  prio=5 tid=602 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:502)
        at org.apache.hadoop.ha.ZKFailoverController.mainLoop(ZKFailoverController.java:369)
        at org.apache.hadoop.ha.ZKFailoverController.doRun(ZKFailoverController.java:241)
        at org.apache.hadoop.ha.ZKFailoverController.access$000(ZKFailoverController.java:62)
        at org.apache.hadoop.ha.ZKFailoverController$1.run(ZKFailoverController.java:174)
        at org.apache.hadoop.ha.ZKFailoverController$1.run(ZKFailoverController.java:170)
        at org.apache.hadoop.security.SecurityUtil.doAsLoginUserOrFatal(SecurityUtil.java:415)
        at org.apache.hadoop.ha.ZKFailoverController.run(ZKFailoverController.java:170)
        at org.apache.hadoop.hdfs.tools.TestDFSZKFailoverController$ZKFCThread.doWork(TestDFSZKFailoverController.java:236)
        at org.apache.hadoop.test.MultithreadedTestUtil$TestingThread.run(MultithreadedTestUtil.java:189)
"IPC Server handler 8 on 10021" daemon prio=5 tid=543 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"816804727@qtp-1785807415-1 - Acceptor0 SelectChannelConnector@localhost:48884" daemon prio=5 tid=521 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at org.mortbay.io.nio.SelectorManager$SelectSet.doSelect(SelectorManager.java:498)
        at org.mortbay.io.nio.SelectorManager.doSelect(SelectorManager.java:192)
        at org.mortbay.jetty.nio.SelectChannelConnector.accept(SelectChannelConnector.java:124)
        at org.mortbay.jetty.AbstractConnector$Acceptor.run(AbstractConnector.java:708)
        at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
"IPC Server handler 2 on 10023" daemon prio=5 tid=592 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"Timer for 'NameNode' metrics system" daemon prio=5 tid=518 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Object.wait(Native Method)
        at java.util.TimerThread.mainLoop(Timer.java:552)
        at java.util.TimerThread.run(Timer.java:505)
"Socket Reader #1 for port 10022"  prio=5 tid=554 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at org.apache.hadoop.ipc.Server$Listener$Reader.doRunLoop(Server.java:701)
        at org.apache.hadoop.ipc.Server$Listener$Reader.run(Server.java:680)
"org.apache.hadoop.hdfs.server.blockmanagement.PendingReplicationBlocks$PendingReplicationMonitor@7051777c" daemon prio=5 tid=533 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at org.apache.hadoop.hdfs.server.blockmanagement.PendingReplicationBlocks$PendingReplicationMonitor.run(PendingReplicationBlocks.java:220)
        at java.lang.Thread.run(Thread.java:744)
"IPC Server handler 0 on 10021" daemon prio=5 tid=535 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"IPC Server handler 1 on 10024" daemon prio=5 tid=611 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"IPC Server handler 7 on 10022" daemon prio=5 tid=570 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"IPC Server handler 0 on 10024" daemon prio=5 tid=610 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"IPC Server handler 3 on 10021" daemon prio=5 tid=538 timed_waiting
java.lang.Thread.State: TIMED_WAITING
        at sun.misc.Unsafe.park(Native Method)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
        at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:129)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2197)
"Thread-428"  prio=5 tid=579 in Object.wait()
java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:502)
        at org.apache.hadoop.ha.ZKFailoverController.mainLoop(ZKFailoverController.java:369)
        at org.apache.hadoop.ha.ZKFailoverController.doRun(ZKFailoverController.java:241)
        at org.apache.hadoop.ha.ZKFailoverController.access$000(ZKFailoverController.java:62)
        at org.apache.hadoop.ha.ZKFailoverController$1.run(ZKFailoverController.java:174)
        at org.apache.hadoop.ha.ZKFailoverController$1.run(ZKFailoverController.java:170)
        at org.apache.hadoop.security.SecurityUtil.doAsLoginUserOrFatal(SecurityUtil.java:415)
        at org.apache.hadoop.ha.ZKFailoverController.run(ZKFailoverController.java:170)
        at org.apache.hadoop.hdfs.tools.TestDFSZKFailoverController$ZKFCThread.doWork(TestDFSZKFailoverController.java:236)
        at org.apache.hadoop.test.MultithreadedTestUtil$TestingThread.run(MultithreadedTestUtil.java:189)
"Socket Reader #1 for port 10023"  prio=5 tid=585 runnable
java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at org.apache.hadoop.ipc.Server$Listener$Reader.doRunLoop(Server.java:701)
        at org.apache.hadoop.ipc.Server$Listener$Reader.run(Server.java:680)


	at org.apache.hadoop.test.GenericTestUtils.waitFor(GenericTestUtils.java:167)
	at org.apache.hadoop.hdfs.tools.TestDFSZKFailoverController.waitForHAState(TestDFSZKFailoverController.java:207)
	at org.apache.hadoop.hdfs.tools.TestDFSZKFailoverController.testThreadDumpCaptureAfterNNStateChange(TestDFSZKFailoverController.java:137)


REGRESSION:  org.apache.hadoop.hdfs.tools.TestDFSZKFailoverController.testThreadDumpCaptureAfterNNStateChange

Error Message:
null

Stack Trace:
java.lang.NullPointerException: null
	at org.apache.hadoop.ha.ClientBaseWithFixes.tearDown(ClientBaseWithFixes.java:462)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:33)
	at org.junit.rules.TestWatchman$1.evaluate(TestWatchman.java:53)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:264)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153)
	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:124)
	at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:200)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:153)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)


FAILED:  org.apache.hadoop.hdfs.server.namenode.ha.TestSeveralNameNodes.testCircularLinkedListWrites

Error Message:
Some writers didn't complete in expected runtime! Current writer state:[Circular Writer:
  directory: /test-0
  target length: 50
  current item: 23
  done: false
, Circular Writer:
  directory: /test-1
  target length: 50
  current item: 31
  done: false
] expected:<0> but was:<2>

Stack Trace:
java.lang.AssertionError: Some writers didn't complete in expected runtime! Current writer state:[Circular Writer:
	 directory: /test-0
	 target length: 50
	 current item: 23
	 done: false
, Circular Writer:
	 directory: /test-1
	 target length: 50
	 current item: 31
	 done: false
] expected:<0> but was:<2>
	at org.junit.Assert.fail(Assert.java:88)
	at org.junit.Assert.failNotEquals(Assert.java:743)
	at org.junit.Assert.assertEquals(Assert.java:118)
	at org.junit.Assert.assertEquals(Assert.java:555)
	at org.apache.hadoop.hdfs.server.namenode.ha.TestSeveralNameNodes.testCircularLinkedListWrites(TestSeveralNameNodes.java:90)