See https://builds.apache.org/job/ZooKeeper_branch35_jdk7/392/

###################################################################################
########################## LAST 60 LINES OF THE CONSOLE 
###########################
[...truncated 246539 lines...]
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    [junit] 2015-08-20 09:40:04,799 [myid:3] - INFO  
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    [junit] 2015-08-20 09:40:04,815 [myid:3] - INFO  
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    [junit] 2015-08-20 09:40:04,815 [myid:3] - INFO  
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format version), 2 (n.leader), 0x0 (n.zxid), 0x1 (n.round), LOOKING (n.state), 
1 (n.sid), 0x0 (n.peerEPoch), LOOKING (my state)100000000 (n.config version)
    [junit] Test org.apache.zookeeper.server.quorum.QuorumPeerMainTest FAILED

BUILD FAILED
/home/jenkins/jenkins-slave/workspace/ZooKeeper_branch35_jdk7/branch-3.5/build.xml:1494:
 The following error occurred while executing this line:
/home/jenkins/jenkins-slave/workspace/ZooKeeper_branch35_jdk7/branch-3.5/build.xml:1364:
 
/home/jenkins/jenkins-slave/workspace/ZooKeeper_branch35_jdk7/branch-3.5/build.xml:1364:
 Process fork failed.

Total time: 3 minutes 2 seconds
Build step 'Invoke Ant' marked build as failure
Archiving artifacts
Recording test results
Email was triggered for: Failure
Sending email for trigger: Failure



###################################################################################
############################## FAILED TESTS (if any) 
##############################
42 tests failed.
REGRESSION:  org.apache.zookeeper.RemoveWatchesTest.testManyPreNodeWatchers[0]

Error Message:
KeeperErrorCode = ConnectionLoss for /node1

Stack Trace:
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = 
ConnectionLoss for /node1
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
        at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1643)
        at 
org.apache.zookeeper.RemoveWatchesTest.testManyPreNodeWatchers(RemoveWatchesTest.java:559)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at java.lang.Thread.run(Thread.java:724)


REGRESSION:  
org.apache.zookeeper.server.NettyServerCnxnTest.testSendCloseSession

Error Message:
unable to create new native thread

Stack Trace:
java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
org.apache.zookeeper.server.ZooKeeperServer.setupRequestProcessors(ZooKeeperServer.java:459)
        at 
org.apache.zookeeper.server.ZooKeeperServer.startup(ZooKeeperServer.java:445)
        at 
org.apache.zookeeper.server.NettyServerCnxnFactory.startup(NettyServerCnxnFactory.java:506)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.startup(ServerCnxnFactory.java:97)
        at 
org.apache.zookeeper.test.ClientBase.startServerInstance(ClientBase.java:357)
        at org.apache.zookeeper.test.ClientBase.startServer(ClientBase.java:463)
        at org.apache.zookeeper.test.ClientBase.setUp(ClientBase.java:454)
        at 
org.apache.zookeeper.server.NettyServerCnxnTest.setUp(NettyServerCnxnTest.java:43)


REGRESSION:  
org.apache.zookeeper.server.PrepRequestProcessorTest.testInvalidPath

Error Message:
unable to create new native thread

Stack Trace:
java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
org.apache.zookeeper.server.NIOServerCnxnFactory.start(NIOServerCnxnFactory.java:735)
        at 
org.apache.zookeeper.server.NIOServerCnxnFactory.startup(NIOServerCnxnFactory.java:750)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.startup(ServerCnxnFactory.java:97)
        at 
org.apache.zookeeper.server.PrepRequestProcessorTest.setup(PrepRequestProcessorTest.java:76)


REGRESSION:  
org.apache.zookeeper.server.ZxidRolloverTest.testSimpleRolloverFollower

Error Message:
Did not connect

Stack Trace:
java.util.concurrent.TimeoutException: Did not connect
        at 
org.apache.zookeeper.test.ClientBase$CountdownWatcher.waitForConnected(ClientBase.java:132)
        at 
org.apache.zookeeper.server.ZxidRolloverTest.waitForClientsConnected(ZxidRolloverTest.java:79)
        at 
org.apache.zookeeper.server.ZxidRolloverTest.createNodes(ZxidRolloverTest.java:236)
        at 
org.apache.zookeeper.server.ZxidRolloverTest.testSimpleRolloverFollower(ZxidRolloverTest.java:262)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)


REGRESSION:  org.apache.zookeeper.server.admin.JettyAdminServerTest.testQuorum

Error Message:
waiting for server 1 being up

Stack Trace:
junit.framework.AssertionFailedError: waiting for server 1 being up
        at 
org.apache.zookeeper.server.admin.JettyAdminServerTest.testQuorum(JettyAdminServerTest.java:124)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)


REGRESSION:  
org.apache.zookeeper.server.quorum.CommitProcessorTest.testOneCommitWorker

Error Message:
unable to create new native thread

Stack Trace:
java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
org.apache.zookeeper.server.quorum.CommitProcessorTest.setUp(CommitProcessorTest.java:99)
        at 
org.apache.zookeeper.server.quorum.CommitProcessorTest.testOneCommitWorker(CommitProcessorTest.java:182)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)


REGRESSION:  
org.apache.zookeeper.server.quorum.CommitProcessorTest.testNoCommitWorkers

Error Message:
unable to create new native thread

Stack Trace:
java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
org.apache.zookeeper.server.quorum.CommitProcessorTest.setUp(CommitProcessorTest.java:99)
        at 
org.apache.zookeeper.server.quorum.CommitProcessorTest.testNoCommitWorkers(CommitProcessorTest.java:172)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)


REGRESSION:  
org.apache.zookeeper.server.quorum.CommitProcessorTest.testManyCommitWorkers

Error Message:
unable to create new native thread

Stack Trace:
java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
org.apache.zookeeper.server.quorum.CommitProcessorTest.setUp(CommitProcessorTest.java:99)
        at 
org.apache.zookeeper.server.quorum.CommitProcessorTest.testManyCommitWorkers(CommitProcessorTest.java:192)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)


REGRESSION:  
org.apache.zookeeper.server.quorum.LearnerSnapshotThrottlerTest.testParallelNoThrottle

Error Message:
unable to create new native thread

Stack Trace:
java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949)
        at 
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1360)
        at 
java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:132)
        at 
org.apache.zookeeper.server.quorum.LearnerSnapshotThrottlerTest.testParallelNoThrottle(LearnerSnapshotThrottlerTest.java:121)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumPeerMainTest.testInconsistentPeerType

Error Message:
waiting for server 1 being up

Stack Trace:
junit.framework.AssertionFailedError: waiting for server 1 being up
        at 
org.apache.zookeeper.server.quorum.QuorumPeerMainTest.testInconsistentPeerType(QuorumPeerMainTest.java:487)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testSetAndGetChildren[0]

Error Message:
unable to create new native thread

Stack Trace:
java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger.start(FastLeaderElection.java:521)
        at 
org.apache.zookeeper.server.quorum.FastLeaderElection.start(FastLeaderElection.java:637)
        at 
org.apache.zookeeper.server.quorum.QuorumPeer.createElectionAlgorithm(QuorumPeer.java:901)
        at 
org.apache.zookeeper.server.quorum.QuorumPeer.startLeaderElection(QuorumPeer.java:802)
        at 
org.apache.zookeeper.server.quorum.QuorumPeer.start(QuorumPeer.java:726)
        at 
org.apache.zookeeper.test.QuorumBase.startServers(QuorumBase.java:218)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:120)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testSetAndGetACL[0]

Error Message:
unable to create new native thread

Stack Trace:
java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
org.apache.zookeeper.server.NIOServerCnxnFactory.start(NIOServerCnxnFactory.java:735)
        at 
org.apache.zookeeper.server.quorum.QuorumPeer.startServerCnxnFactory(QuorumPeer.java:1541)
        at 
org.apache.zookeeper.server.quorum.QuorumPeer.start(QuorumPeer.java:719)
        at 
org.apache.zookeeper.test.QuorumBase.startServers(QuorumBase.java:210)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:120)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testSync[0]

Error Message:
Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread

Stack Trace:
java.rmi.ServerError: Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:350)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:160)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2373)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:297)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:85)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$RMIServerCommunicatorAdmin.<init>(RMIConnectionImpl.java:1340)
        at 
javax.management.remote.rmi.RMIConnectionImpl.<init>(RMIConnectionImpl.java:180)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.makeClient(RMIJRMPServerImpl.java:172)
        at 
javax.management.remote.rmi.RMIServerImpl.doNewClient(RMIServerImpl.java:250)
        at 
javax.management.remote.rmi.RMIServerImpl.newClient(RMIServerImpl.java:199)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testSetAndGetData[0]

Error Message:
Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread

Stack Trace:
java.rmi.ServerError: Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:350)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:160)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2373)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:297)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:85)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$RMIServerCommunicatorAdmin.<init>(RMIConnectionImpl.java:1340)
        at 
javax.management.remote.rmi.RMIConnectionImpl.<init>(RMIConnectionImpl.java:180)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.makeClient(RMIJRMPServerImpl.java:172)
        at 
javax.management.remote.rmi.RMIServerImpl.doNewClient(RMIServerImpl.java:250)
        at 
javax.management.remote.rmi.RMIServerImpl.newClient(RMIServerImpl.java:199)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testSetAndGetChildren2[0]

Error Message:
unable to create new native thread

Stack Trace:
java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
org.apache.zookeeper.server.NIOServerCnxnFactory.start(NIOServerCnxnFactory.java:735)
        at 
org.apache.zookeeper.server.quorum.QuorumPeer.startServerCnxnFactory(QuorumPeer.java:1541)
        at 
org.apache.zookeeper.server.quorum.QuorumPeer.start(QuorumPeer.java:719)
        at 
org.apache.zookeeper.test.QuorumBase.startServers(QuorumBase.java:214)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:120)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testCreate2[0]

Error Message:
unable to create new native thread

Stack Trace:
java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
org.apache.zookeeper.server.quorum.QuorumPeer.start(QuorumPeer.java:727)
        at 
org.apache.zookeeper.test.QuorumBase.startServers(QuorumBase.java:210)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:120)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testCreate[0]

Error Message:
Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread

Stack Trace:
java.rmi.ServerError: Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:350)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:160)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2373)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:297)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:85)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$RMIServerCommunicatorAdmin.<init>(RMIConnectionImpl.java:1340)
        at 
javax.management.remote.rmi.RMIConnectionImpl.<init>(RMIConnectionImpl.java:180)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.makeClient(RMIJRMPServerImpl.java:172)
        at 
javax.management.remote.rmi.RMIServerImpl.doNewClient(RMIServerImpl.java:250)
        at 
javax.management.remote.rmi.RMIServerImpl.newClient(RMIServerImpl.java:199)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testDelete[0]

Error Message:
Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread

Stack Trace:
java.rmi.ServerError: Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:350)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:160)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2373)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:297)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:85)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$RMIServerCommunicatorAdmin.<init>(RMIConnectionImpl.java:1340)
        at 
javax.management.remote.rmi.RMIConnectionImpl.<init>(RMIConnectionImpl.java:180)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.makeClient(RMIJRMPServerImpl.java:172)
        at 
javax.management.remote.rmi.RMIServerImpl.doNewClient(RMIServerImpl.java:250)
        at 
javax.management.remote.rmi.RMIServerImpl.newClient(RMIServerImpl.java:199)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testExists[0]

Error Message:
Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread

Stack Trace:
java.rmi.ServerError: Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:350)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:160)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2373)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:297)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:85)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$RMIServerCommunicatorAdmin.<init>(RMIConnectionImpl.java:1340)
        at 
javax.management.remote.rmi.RMIConnectionImpl.<init>(RMIConnectionImpl.java:180)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.makeClient(RMIJRMPServerImpl.java:172)
        at 
javax.management.remote.rmi.RMIServerImpl.doNewClient(RMIServerImpl.java:250)
        at 
javax.management.remote.rmi.RMIServerImpl.newClient(RMIServerImpl.java:199)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testNull[0]

Error Message:
Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread

Stack Trace:
java.rmi.ServerError: Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:350)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:160)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2373)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:297)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:85)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$RMIServerCommunicatorAdmin.<init>(RMIConnectionImpl.java:1340)
        at 
javax.management.remote.rmi.RMIConnectionImpl.<init>(RMIConnectionImpl.java:180)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.makeClient(RMIJRMPServerImpl.java:172)
        at 
javax.management.remote.rmi.RMIServerImpl.doNewClient(RMIServerImpl.java:250)
        at 
javax.management.remote.rmi.RMIServerImpl.newClient(RMIServerImpl.java:199)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testSetAndGetChildren[1]

Error Message:
error during JRMP connection establishment; nested exception is: 
        java.net.SocketException: Connection reset

Stack Trace:
java.rmi.ConnectIOException: error during JRMP connection establishment; nested 
exception is: 
        java.net.SocketException: Connection reset
        at 
sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:304)
        at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:202)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:128)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2373)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:297)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:85)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)
Caused by: java.net.SocketException: Connection reset
        at java.net.SocketInputStream.read(SocketInputStream.java:189)
        at java.net.SocketInputStream.read(SocketInputStream.java:121)
        at java.io.BufferedInputStream.fill(BufferedInputStream.java:235)
        at java.io.BufferedInputStream.read(BufferedInputStream.java:254)
        at java.io.DataInputStream.readByte(DataInputStream.java:265)
        at 
sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:246)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testSetAndGetACL[1]

Error Message:
unable to create new native thread

Stack Trace:
java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
com.sun.jmx.remote.internal.ClientCommunicatorAdmin.<init>(ClientCommunicatorAdmin.java:45)
        at 
javax.management.remote.rmi.RMIConnector$RMIClientCommunicatorAdmin.<init>(RMIConnector.java:1463)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:328)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:85)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testSync[1]

Error Message:
Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread

Stack Trace:
java.rmi.ServerError: Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:350)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:160)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2373)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:297)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:85)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$RMIServerCommunicatorAdmin.<init>(RMIConnectionImpl.java:1340)
        at 
javax.management.remote.rmi.RMIConnectionImpl.<init>(RMIConnectionImpl.java:180)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.makeClient(RMIJRMPServerImpl.java:172)
        at 
javax.management.remote.rmi.RMIServerImpl.doNewClient(RMIServerImpl.java:250)
        at 
javax.management.remote.rmi.RMIServerImpl.newClient(RMIServerImpl.java:199)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testSetAndGetData[1]

Error Message:
Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread

Stack Trace:
java.rmi.ServerError: Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:350)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:160)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2373)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:297)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:85)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$RMIServerCommunicatorAdmin.<init>(RMIConnectionImpl.java:1340)
        at 
javax.management.remote.rmi.RMIConnectionImpl.<init>(RMIConnectionImpl.java:180)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.makeClient(RMIJRMPServerImpl.java:172)
        at 
javax.management.remote.rmi.RMIServerImpl.doNewClient(RMIServerImpl.java:250)
        at 
javax.management.remote.rmi.RMIServerImpl.newClient(RMIServerImpl.java:199)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testSetAndGetChildren2[1]

Error Message:
Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread

Stack Trace:
java.rmi.ServerError: Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:350)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:160)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2373)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:297)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:85)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$RMIServerCommunicatorAdmin.<init>(RMIConnectionImpl.java:1340)
        at 
javax.management.remote.rmi.RMIConnectionImpl.<init>(RMIConnectionImpl.java:180)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.makeClient(RMIJRMPServerImpl.java:172)
        at 
javax.management.remote.rmi.RMIServerImpl.doNewClient(RMIServerImpl.java:250)
        at 
javax.management.remote.rmi.RMIServerImpl.newClient(RMIServerImpl.java:199)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testCreate2[1]

Error Message:
Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread

Stack Trace:
java.rmi.ServerError: Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:350)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:160)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2373)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:297)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:85)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$RMIServerCommunicatorAdmin.<init>(RMIConnectionImpl.java:1340)
        at 
javax.management.remote.rmi.RMIConnectionImpl.<init>(RMIConnectionImpl.java:180)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.makeClient(RMIJRMPServerImpl.java:172)
        at 
javax.management.remote.rmi.RMIServerImpl.doNewClient(RMIServerImpl.java:250)
        at 
javax.management.remote.rmi.RMIServerImpl.newClient(RMIServerImpl.java:199)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testCreate[1]

Error Message:
Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread

Stack Trace:
java.rmi.ServerError: Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:350)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:160)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2373)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:297)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:85)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$RMIServerCommunicatorAdmin.<init>(RMIConnectionImpl.java:1340)
        at 
javax.management.remote.rmi.RMIConnectionImpl.<init>(RMIConnectionImpl.java:180)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.makeClient(RMIJRMPServerImpl.java:172)
        at 
javax.management.remote.rmi.RMIServerImpl.doNewClient(RMIServerImpl.java:250)
        at 
javax.management.remote.rmi.RMIServerImpl.newClient(RMIServerImpl.java:199)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testDelete[1]

Error Message:
Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread

Stack Trace:
java.rmi.ServerError: Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:350)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:160)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2373)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:297)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:85)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$RMIServerCommunicatorAdmin.<init>(RMIConnectionImpl.java:1340)
        at 
javax.management.remote.rmi.RMIConnectionImpl.<init>(RMIConnectionImpl.java:180)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.makeClient(RMIJRMPServerImpl.java:172)
        at 
javax.management.remote.rmi.RMIServerImpl.doNewClient(RMIServerImpl.java:250)
        at 
javax.management.remote.rmi.RMIServerImpl.newClient(RMIServerImpl.java:199)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testExists[1]

Error Message:
Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread

Stack Trace:
java.rmi.ServerError: Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:350)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:160)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2373)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:297)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:85)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$RMIServerCommunicatorAdmin.<init>(RMIConnectionImpl.java:1340)
        at 
javax.management.remote.rmi.RMIConnectionImpl.<init>(RMIConnectionImpl.java:180)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.makeClient(RMIJRMPServerImpl.java:172)
        at 
javax.management.remote.rmi.RMIServerImpl.doNewClient(RMIServerImpl.java:250)
        at 
javax.management.remote.rmi.RMIServerImpl.newClient(RMIServerImpl.java:199)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testNull[1]

Error Message:
Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread

Stack Trace:
java.rmi.ServerError: Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:350)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:160)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2373)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:297)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:85)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$RMIServerCommunicatorAdmin.<init>(RMIConnectionImpl.java:1340)
        at 
javax.management.remote.rmi.RMIConnectionImpl.<init>(RMIConnectionImpl.java:180)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.makeClient(RMIJRMPServerImpl.java:172)
        at 
javax.management.remote.rmi.RMIServerImpl.doNewClient(RMIServerImpl.java:250)
        at 
javax.management.remote.rmi.RMIServerImpl.newClient(RMIServerImpl.java:199)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testSetAndGetChildren[2]

Error Message:
Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread

Stack Trace:
java.rmi.ServerError: Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:350)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:160)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2373)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:297)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:85)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$RMIServerCommunicatorAdmin.<init>(RMIConnectionImpl.java:1340)
        at 
javax.management.remote.rmi.RMIConnectionImpl.<init>(RMIConnectionImpl.java:180)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.makeClient(RMIJRMPServerImpl.java:172)
        at 
javax.management.remote.rmi.RMIServerImpl.doNewClient(RMIServerImpl.java:250)
        at 
javax.management.remote.rmi.RMIServerImpl.newClient(RMIServerImpl.java:199)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testSetAndGetACL[2]

Error Message:
Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread

Stack Trace:
java.rmi.ServerError: Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:350)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:160)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2373)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:297)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:85)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$RMIServerCommunicatorAdmin.<init>(RMIConnectionImpl.java:1340)
        at 
javax.management.remote.rmi.RMIConnectionImpl.<init>(RMIConnectionImpl.java:180)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.makeClient(RMIJRMPServerImpl.java:172)
        at 
javax.management.remote.rmi.RMIServerImpl.doNewClient(RMIServerImpl.java:250)
        at 
javax.management.remote.rmi.RMIServerImpl.newClient(RMIServerImpl.java:199)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testSync[2]

Error Message:
unable to create new native thread

Stack Trace:
java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
org.apache.zookeeper.server.quorum.QuorumPeer.createElectionAlgorithm(QuorumPeer.java:899)
        at 
org.apache.zookeeper.server.quorum.QuorumPeer.startLeaderElection(QuorumPeer.java:802)
        at 
org.apache.zookeeper.server.quorum.QuorumPeer.start(QuorumPeer.java:726)
        at 
org.apache.zookeeper.test.QuorumBase.startServers(QuorumBase.java:210)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:120)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testSetAndGetData[2]

Error Message:
Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread

Stack Trace:
java.rmi.ServerError: Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:350)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:160)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2373)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:297)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:85)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$RMIServerCommunicatorAdmin.<init>(RMIConnectionImpl.java:1340)
        at 
javax.management.remote.rmi.RMIConnectionImpl.<init>(RMIConnectionImpl.java:180)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.makeClient(RMIJRMPServerImpl.java:172)
        at 
javax.management.remote.rmi.RMIServerImpl.doNewClient(RMIServerImpl.java:250)
        at 
javax.management.remote.rmi.RMIServerImpl.newClient(RMIServerImpl.java:199)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testSetAndGetChildren2[2]

Error Message:
Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread

Stack Trace:
java.rmi.ServerError: Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:350)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:160)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2373)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:297)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:85)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$RMIServerCommunicatorAdmin.<init>(RMIConnectionImpl.java:1340)
        at 
javax.management.remote.rmi.RMIConnectionImpl.<init>(RMIConnectionImpl.java:180)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.makeClient(RMIJRMPServerImpl.java:172)
        at 
javax.management.remote.rmi.RMIServerImpl.doNewClient(RMIServerImpl.java:250)
        at 
javax.management.remote.rmi.RMIServerImpl.newClient(RMIServerImpl.java:199)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testCreate2[2]

Error Message:
Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread

Stack Trace:
java.rmi.ServerError: Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:350)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:160)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2373)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:297)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:85)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$RMIServerCommunicatorAdmin.<init>(RMIConnectionImpl.java:1340)
        at 
javax.management.remote.rmi.RMIConnectionImpl.<init>(RMIConnectionImpl.java:180)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.makeClient(RMIJRMPServerImpl.java:172)
        at 
javax.management.remote.rmi.RMIServerImpl.doNewClient(RMIServerImpl.java:250)
        at 
javax.management.remote.rmi.RMIServerImpl.newClient(RMIServerImpl.java:199)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testCreate[2]

Error Message:
Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread

Stack Trace:
java.rmi.ServerError: Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:350)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:160)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2373)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:297)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:85)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$RMIServerCommunicatorAdmin.<init>(RMIConnectionImpl.java:1340)
        at 
javax.management.remote.rmi.RMIConnectionImpl.<init>(RMIConnectionImpl.java:180)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.makeClient(RMIJRMPServerImpl.java:172)
        at 
javax.management.remote.rmi.RMIServerImpl.doNewClient(RMIServerImpl.java:250)
        at 
javax.management.remote.rmi.RMIServerImpl.newClient(RMIServerImpl.java:199)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testDelete[2]

Error Message:
Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread

Stack Trace:
java.rmi.ServerError: Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:350)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:160)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2373)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:297)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:85)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$RMIServerCommunicatorAdmin.<init>(RMIConnectionImpl.java:1340)
        at 
javax.management.remote.rmi.RMIConnectionImpl.<init>(RMIConnectionImpl.java:180)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.makeClient(RMIJRMPServerImpl.java:172)
        at 
javax.management.remote.rmi.RMIServerImpl.doNewClient(RMIServerImpl.java:250)
        at 
javax.management.remote.rmi.RMIServerImpl.newClient(RMIServerImpl.java:199)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testExists[2]

Error Message:
Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread

Stack Trace:
java.rmi.ServerError: Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:350)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:160)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2373)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:297)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:85)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$RMIServerCommunicatorAdmin.<init>(RMIConnectionImpl.java:1340)
        at 
javax.management.remote.rmi.RMIConnectionImpl.<init>(RMIConnectionImpl.java:180)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.makeClient(RMIJRMPServerImpl.java:172)
        at 
javax.management.remote.rmi.RMIServerImpl.doNewClient(RMIServerImpl.java:250)
        at 
javax.management.remote.rmi.RMIServerImpl.newClient(RMIServerImpl.java:199)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)


REGRESSION:  
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.testNull[2]

Error Message:
Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread

Stack Trace:
java.rmi.ServerError: Error occurred in server thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:350)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:160)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2373)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:297)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:85)
        at 
org.apache.zookeeper.server.quorum.QuorumRequestPipelineTest.setUp(QuorumRequestPipelineTest.java:73)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:693)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$RMIServerCommunicatorAdmin.<init>(RMIConnectionImpl.java:1340)
        at 
javax.management.remote.rmi.RMIConnectionImpl.<init>(RMIConnectionImpl.java:180)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.makeClient(RMIJRMPServerImpl.java:172)
        at 
javax.management.remote.rmi.RMIServerImpl.doNewClient(RMIServerImpl.java:250)
        at 
javax.management.remote.rmi.RMIServerImpl.newClient(RMIServerImpl.java:199)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
        at sun.rmi.transport.Transport$1.run(Transport.java:177)
        at sun.rmi.transport.Transport$1.run(Transport.java:174)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)


FAILED:  org.apache.zookeeper.server.quorum.ReconfigBackupTest.unknown

Error Message:
Forked Java VM exited abnormally. Please note the time in the report does not 
reflect the time until the VM exit.

Stack Trace:
junit.framework.AssertionFailedError: Forked Java VM exited abnormally. Please 
note the time in the report does not reflect the time until the VM exit.
        at java.lang.Thread.run(Thread.java:724)


FAILED:  org.apache.zookeeper.server.quorum.ReconfigFailureCasesTest.unknown

Error Message:
Forked Java VM exited abnormally. Please note the time in the report does not 
reflect the time until the VM exit.

Stack Trace:
junit.framework.AssertionFailedError: Forked Java VM exited abnormally. Please 
note the time in the report does not reflect the time until the VM exit.
        at java.lang.Thread.run(Thread.java:724)


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