ZooKeeper-trunk-openjdk7 - Build # 1557 - Still Failing

[Apache Jenkins Server]

See https://builds.apache.org/job/ZooKeeper-trunk-openjdk7/1557/

###################################################################################
########################## LAST 60 LINES OF THE CONSOLE 
###########################
[...truncated 52.42 MB...]
    [junit] java.net.ConnectException: Connection refused
    [junit]     at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
    [junit]     at 
sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
    [junit]     at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:357)
    [junit]     at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1214)
    [junit] 2017-07-26 20:19:30,808 [myid:] - INFO  [main:ZooKeeper@1329] - 
Session: 0x105ab84e4450000 closed
    [junit] 2017-07-26 20:19:30,808 [myid:] - INFO  
[main:JUnit4ZKTestRunner$LoggedInvokeMethod@82] - Memory used 199943
    [junit] 2017-07-26 20:19:30,809 [myid:] - INFO  
[main:JUnit4ZKTestRunner$LoggedInvokeMethod@87] - Number of threads 2437
    [junit] 2017-07-26 20:19:30,809 [myid:] - INFO  
[main:JUnit4ZKTestRunner$LoggedInvokeMethod@102] - FINISHED TEST METHOD 
testWatcherAutoResetWithLocal
    [junit] 2017-07-26 20:19:30,809 [myid:] - INFO  [main:ClientBase@601] - 
tearDown starting
    [junit] 2017-07-26 20:19:30,809 [myid:] - INFO  [main:ClientBase@571] - 
STOPPING server
    [junit] 2017-07-26 20:19:30,809 [myid:] - INFO  
[main:NettyServerCnxnFactory@464] - shutdown called 0.0.0.0/0.0.0.0:22240
    [junit] 2017-07-26 20:19:30,809 [myid:] - INFO  
[main-EventThread:ClientCnxn$EventThread@513] - EventThread shut down for 
session: 0x105ab84e4450000
    [junit] 2017-07-26 20:19:30,812 [myid:] - INFO  [main:ZooKeeperServer@541] 
- shutting down
    [junit] 2017-07-26 20:19:30,812 [myid:] - ERROR [main:ZooKeeperServer@505] 
- ZKShutdownHandler is not registered, so ZooKeeper server won't take any 
action on ERROR or SHUTDOWN server state changes
    [junit] 2017-07-26 20:19:30,812 [myid:] - INFO  
[main:SessionTrackerImpl@232] - Shutting down
    [junit] 2017-07-26 20:19:30,812 [myid:] - INFO  
[main:PrepRequestProcessor@1008] - Shutting down
    [junit] 2017-07-26 20:19:30,812 [myid:] - INFO  
[main:SyncRequestProcessor@191] - Shutting down
    [junit] 2017-07-26 20:19:30,813 [myid:] - INFO  [ProcessThread(sid:0 
cport:22240)::PrepRequestProcessor@155] - PrepRequestProcessor exited loop!
    [junit] 2017-07-26 20:19:30,813 [myid:] - INFO  
[SyncThread:0:SyncRequestProcessor@169] - SyncRequestProcessor exited!
    [junit] 2017-07-26 20:19:30,816 [myid:] - INFO  
[main:FinalRequestProcessor@481] - shutdown of request processor complete
    [junit] 2017-07-26 20:19:30,816 [myid:] - INFO  [main:MBeanRegistry@128] - 
Unregister MBean 
[org.apache.ZooKeeperService:name0=StandaloneServer_port22240,name1=InMemoryDataTree]
    [junit] 2017-07-26 20:19:30,817 [myid:] - INFO  [main:MBeanRegistry@128] - 
Unregister MBean [org.apache.ZooKeeperService:name0=StandaloneServer_port22240]
    [junit] 2017-07-26 20:19:30,817 [myid:] - INFO  
[main:FourLetterWordMain@85] - connecting to 127.0.0.1 22240
    [junit] 2017-07-26 20:19:30,817 [myid:] - INFO  [main:JMXEnv@146] - 
ensureOnly:[]
    [junit] 2017-07-26 20:19:30,828 [myid:] - INFO  [main:ClientBase@626] - 
fdcount after test is: 7157 at start it was 7159
    [junit] 2017-07-26 20:19:30,828 [myid:] - INFO  [main:ZKTestCase$1@68] - 
SUCCEEDED testWatcherAutoResetWithLocal
    [junit] 2017-07-26 20:19:30,828 [myid:] - INFO  [main:ZKTestCase$1@63] - 
FINISHED testWatcherAutoResetWithLocal
    [junit] Tests run: 103, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 
414.693 sec, Thread: 5, Class: org.apache.zookeeper.test.NioNettySuiteTest
    [junit] 2017-07-26 20:19:31,089 [myid:127.0.0.1:22058] - INFO  
[main-SendThread(127.0.0.1:22058):ClientCnxn$SendThread@1113] - Opening socket 
connection to server 127.0.0.1/127.0.0.1:22058. Will not attempt to 
authenticate using SASL (unknown error)
    [junit] 2017-07-26 20:19:31,089 [myid:127.0.0.1:22058] - WARN  
[main-SendThread(127.0.0.1:22058):ClientCnxn$SendThread@1235] - Session 
0x105ab7f4b6f0000 for server 127.0.0.1/127.0.0.1:22058, unexpected error, 
closing socket connection and attempting reconnect
    [junit] java.net.ConnectException: Connection refused
    [junit]     at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
    [junit]     at 
sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
    [junit]     at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:357)
    [junit]     at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1214)
    [junit] 2017-07-26 20:19:31,134 [myid:127.0.0.1:22123] - INFO  
[main-SendThread(127.0.0.1:22123):ClientCnxn$SendThread@1113] - Opening socket 
connection to server 127.0.0.1/127.0.0.1:22123. Will not attempt to 
authenticate using SASL (unknown error)
    [junit] 2017-07-26 20:19:31,135 [myid:127.0.0.1:22123] - WARN  
[main-SendThread(127.0.0.1:22123):ClientCnxn$SendThread@1235] - Session 
0x305ab81820e0000 for server 127.0.0.1/127.0.0.1:22123, unexpected error, 
closing socket connection and attempting reconnect
    [junit] java.net.ConnectException: Connection refused
    [junit]     at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
    [junit]     at 
sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
    [junit]     at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:357)
    [junit]     at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1214)
    [junit] Test org.apache.zookeeper.test.NioNettySuiteTest FAILED
    [junit] Running org.apache.zookeeper.server.quorum.Zab1_0Test in thread 3
    [junit] Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0 
sec, Thread: 3, Class: org.apache.zookeeper.server.quorum.Zab1_0Test
    [junit] Test org.apache.zookeeper.server.quorum.Zab1_0Test FAILED (timeout)

fail.build.on.test.failure:

BUILD FAILED
/home/jenkins/jenkins-slave/workspace/ZooKeeper-trunk-openjdk7/build.xml:1219: 
The following error occurred while executing this line:
/home/jenkins/jenkins-slave/workspace/ZooKeeper-trunk-openjdk7/build.xml:1223: 
Tests failed!

Total time: 16 minutes 39 seconds
Build step 'Invoke Ant' marked build as failure
Recording test results
Email was triggered for: Failure - Any
Sending email for trigger: Failure - Any



###################################################################################
############################## FAILED TESTS (if any) 
##############################
34 tests failed.
FAILED:  org.apache.zookeeper.server.quorum.Zab1_0Test.testNormalObserverRun

Error Message:
Timeout occurred. Please note the time in the report does not reflect the time 
until the timeout.

Stack Trace:
junit.framework.AssertionFailedError: Timeout occurred. Please note the time in 
the report does not reflect the time until the timeout.
        at java.lang.Thread.run(Thread.java:745)


FAILED:  
org.apache.zookeeper.test.FollowerResyncConcurrencyTest.testFollowerSendsLastZxid

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:714)
        at 
org.apache.zookeeper.server.NIOServerCnxnFactory.start(NIOServerCnxnFactory.java:746)
        at 
org.apache.zookeeper.server.quorum.QuorumPeer.startServerCnxnFactory(QuorumPeer.java:1601)
        at 
org.apache.zookeeper.server.quorum.QuorumPeer.start(QuorumPeer.java:772)
        at org.apache.zookeeper.test.QuorumUtil.start(QuorumUtil.java:211)
        at org.apache.zookeeper.test.QuorumUtil.startAll(QuorumUtil.java:145)
        at 
org.apache.zookeeper.test.FollowerResyncConcurrencyTest.testFollowerSendsLastZxid(FollowerResyncConcurrencyTest.java:672)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)


FAILED:  
org.apache.zookeeper.test.FollowerResyncConcurrencyTest.testResyncBySnapThenDiffAfterFollowerCrashes

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

Stack Trace:
java.lang.RuntimeException: java.rmi.ServerError: Error occurred in server 
thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:122)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:127)
        at 
org.apache.zookeeper.test.FollowerResyncConcurrencyTest.followerResyncCrashTest(FollowerResyncConcurrencyTest.java:199)
        at 
org.apache.zookeeper.test.FollowerResyncConcurrencyTest.testResyncBySnapThenDiffAfterFollowerCrashes(FollowerResyncConcurrencyTest.java:176)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)
Caused by: 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$2.run(Transport.java:202)
        at sun.rmi.transport.Transport$2.run(Transport.java:199)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:198)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:567)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.access$400(TCPTransport.java:619)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:684)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:681)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:681)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:275)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:252)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:161)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2404)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:308)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:90)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:714)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$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$2.run(Transport.java:202)
        at sun.rmi.transport.Transport$2.run(Transport.java:199)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:198)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:567)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.access$400(TCPTransport.java:619)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:684)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:681)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:681)
        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:745)


FAILED:  
org.apache.zookeeper.test.FollowerResyncConcurrencyTest.testFollowerWatcherResync

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

Stack Trace:
java.lang.RuntimeException: java.rmi.ServerError: Error occurred in server 
thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:122)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:127)
        at 
org.apache.zookeeper.test.FollowerResyncConcurrencyTest.testFollowerWatcherResync(FollowerResyncConcurrencyTest.java:713)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)
Caused by: 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$2.run(Transport.java:202)
        at sun.rmi.transport.Transport$2.run(Transport.java:199)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:198)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:567)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.access$400(TCPTransport.java:619)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:684)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:681)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:681)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:275)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:252)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:161)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2404)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:308)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:90)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:714)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$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$2.run(Transport.java:202)
        at sun.rmi.transport.Transport$2.run(Transport.java:199)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:198)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:567)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.access$400(TCPTransport.java:619)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:684)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:681)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:681)
        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:745)


FAILED:  org.apache.zookeeper.test.ReconfigTest.testQuorumSystemChange

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:714)
        at 
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949)
        at 
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1371)
        at 
org.jboss.netty.util.internal.DeadLockProofWorker.start(DeadLockProofWorker.java:38)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(AbstractNioSelector.java:368)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.<init>(AbstractNioSelector.java:100)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorker.<init>(AbstractNioWorker.java:52)
        at 
org.jboss.netty.channel.socket.nio.NioWorker.<init>(NioWorker.java:45)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:44)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:28)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.init(AbstractNioWorkerPool.java:80)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:39)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:33)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:149)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:131)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:115)
        at 
org.apache.zookeeper.server.NettyServerCnxnFactory.<init>(NettyServerCnxnFactory.java:329)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at java.lang.Class.newInstance(Class.java:379)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:133)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:153)
        at 
org.apache.zookeeper.server.quorum.QuorumPeer.<init>(QuorumPeer.java:871)
        at org.apache.zookeeper.test.QuorumUtil.start(QuorumUtil.java:204)
        at org.apache.zookeeper.test.QuorumUtil.restart(QuorumUtil.java:215)
        at 
org.apache.zookeeper.test.ReconfigTest.testQuorumSystemChange(ReconfigTest.java:859)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)


FAILED:  org.apache.zookeeper.test.ReconfigTest.testPortChange

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:714)
        at 
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949)
        at 
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1371)
        at 
org.jboss.netty.util.internal.DeadLockProofWorker.start(DeadLockProofWorker.java:38)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(AbstractNioSelector.java:368)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.<init>(AbstractNioSelector.java:100)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorker.<init>(AbstractNioWorker.java:52)
        at 
org.jboss.netty.channel.socket.nio.NioWorker.<init>(NioWorker.java:45)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:44)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:28)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.init(AbstractNioWorkerPool.java:80)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:39)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:33)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:149)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:131)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:115)
        at 
org.apache.zookeeper.server.NettyServerCnxnFactory.<init>(NettyServerCnxnFactory.java:329)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at java.lang.Class.newInstance(Class.java:379)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:133)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:153)
        at 
org.apache.zookeeper.server.quorum.QuorumPeer.<init>(QuorumPeer.java:871)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:117)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:127)
        at 
org.apache.zookeeper.test.ReconfigTest.testPortChange(ReconfigTest.java:589)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)


FAILED:  
org.apache.zookeeper.test.ReconfigTest.testPortChangeToBlockedPortLeader

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

Stack Trace:
java.lang.RuntimeException: java.rmi.ServerError: Error occurred in server 
thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:122)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:127)
        at 
org.apache.zookeeper.test.ReconfigTest.testPortChangeToBlockedPort(ReconfigTest.java:722)
        at 
org.apache.zookeeper.test.ReconfigTest.testPortChangeToBlockedPortLeader(ReconfigTest.java:718)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)
Caused by: 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$2.run(Transport.java:202)
        at sun.rmi.transport.Transport$2.run(Transport.java:199)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:198)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:567)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.access$400(TCPTransport.java:619)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:684)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:681)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:681)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:275)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:252)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:161)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2404)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:308)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:90)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:714)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$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$2.run(Transport.java:202)
        at sun.rmi.transport.Transport$2.run(Transport.java:199)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:198)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:567)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.access$400(TCPTransport.java:619)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:684)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:681)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:681)
        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:745)


FAILED:  
org.apache.zookeeper.test.ReconfigTest.testInitialConfigHasPositiveVersion

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:714)
        at 
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949)
        at 
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1371)
        at 
org.jboss.netty.util.internal.DeadLockProofWorker.start(DeadLockProofWorker.java:38)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(AbstractNioSelector.java:368)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.<init>(AbstractNioSelector.java:100)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorker.<init>(AbstractNioWorker.java:52)
        at 
org.jboss.netty.channel.socket.nio.NioWorker.<init>(NioWorker.java:45)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:44)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:28)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.init(AbstractNioWorkerPool.java:80)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:39)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:33)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:149)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:131)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:115)
        at 
org.apache.zookeeper.server.NettyServerCnxnFactory.<init>(NettyServerCnxnFactory.java:329)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at java.lang.Class.newInstance(Class.java:379)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:133)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:153)
        at 
org.apache.zookeeper.server.quorum.QuorumPeer.<init>(QuorumPeer.java:871)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:117)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:127)
        at 
org.apache.zookeeper.test.ReconfigTest.testInitialConfigHasPositiveVersion(ReconfigTest.java:893)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)


FAILED:  org.apache.zookeeper.test.ReconfigTest.testRemoveAddOne

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

Stack Trace:
java.lang.RuntimeException: java.rmi.ServerError: Error occurred in server 
thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:122)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:127)
        at 
org.apache.zookeeper.test.ReconfigTest.testRemoveAddOne(ReconfigTest.java:250)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)
Caused by: 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$2.run(Transport.java:202)
        at sun.rmi.transport.Transport$2.run(Transport.java:199)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:198)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:567)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.access$400(TCPTransport.java:619)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:684)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:681)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:681)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:275)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:252)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:161)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2404)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:308)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:90)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:714)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$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$2.run(Transport.java:202)
        at sun.rmi.transport.Transport$2.run(Transport.java:199)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:198)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:567)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.access$400(TCPTransport.java:619)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:684)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:681)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:681)
        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:745)


FAILED:  org.apache.zookeeper.test.ReconfigTest.testRemoveAddTwo

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

Stack Trace:
java.lang.RuntimeException: java.rmi.ServerError: Error occurred in server 
thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:122)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:127)
        at 
org.apache.zookeeper.test.ReconfigTest.testRemoveAddTwo(ReconfigTest.java:332)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)
Caused by: 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$2.run(Transport.java:202)
        at sun.rmi.transport.Transport$2.run(Transport.java:199)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:198)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:567)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.access$400(TCPTransport.java:619)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:684)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:681)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:681)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:275)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:252)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:161)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2404)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:308)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:90)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:714)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$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$2.run(Transport.java:202)
        at sun.rmi.transport.Transport$2.run(Transport.java:199)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:198)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:567)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.access$400(TCPTransport.java:619)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:684)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:681)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:681)
        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:745)


FAILED:  
org.apache.zookeeper.test.ReconfigTest.testPortChangeToBlockedPortFollower

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:714)
        at 
com.sun.jmx.remote.internal.ClientCommunicatorAdmin.<init>(ClientCommunicatorAdmin.java:45)
        at 
javax.management.remote.rmi.RMIConnector$RMIClientCommunicatorAdmin.<init>(RMIConnector.java:1467)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:339)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:90)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:127)
        at 
org.apache.zookeeper.test.ReconfigTest.testPortChangeToBlockedPort(ReconfigTest.java:722)
        at 
org.apache.zookeeper.test.ReconfigTest.testPortChangeToBlockedPortFollower(ReconfigTest.java:714)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)


FAILED:  org.apache.zookeeper.test.ReconfigTest.testJMXBeanAfterRemoveAddOne

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

Stack Trace:
java.lang.RuntimeException: java.rmi.ServerError: Error occurred in server 
thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:122)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:127)
        at 
org.apache.zookeeper.test.ReconfigTest.testJMXBeanAfterRemoveAddOne(ReconfigTest.java:912)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)
Caused by: 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$2.run(Transport.java:202)
        at sun.rmi.transport.Transport$2.run(Transport.java:199)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:198)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:567)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.access$400(TCPTransport.java:619)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:684)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:681)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:681)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:275)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:252)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:161)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2404)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:308)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:90)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:714)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$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$2.run(Transport.java:202)
        at sun.rmi.transport.Transport$2.run(Transport.java:199)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:198)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:567)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.access$400(TCPTransport.java:619)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:684)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:681)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:681)
        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:745)


FAILED:  org.apache.zookeeper.test.ReconfigTest.testRoleChange

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

Stack Trace:
java.lang.RuntimeException: java.rmi.ServerError: Error occurred in server 
thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:122)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:127)
        at 
org.apache.zookeeper.test.ReconfigTest.testRoleChange(ReconfigTest.java:512)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)
Caused by: 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$2.run(Transport.java:202)
        at sun.rmi.transport.Transport$2.run(Transport.java:199)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:198)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:567)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.access$400(TCPTransport.java:619)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:684)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:681)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:681)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:275)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:252)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:161)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2404)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:308)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:90)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:714)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$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$2.run(Transport.java:202)
        at sun.rmi.transport.Transport$2.run(Transport.java:199)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:198)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:567)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.access$400(TCPTransport.java:619)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:684)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:681)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:681)
        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:745)


FAILED:  org.apache.zookeeper.test.ReconfigTest.testBulkReconfig

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

Stack Trace:
java.lang.RuntimeException: java.rmi.ServerError: Error occurred in server 
thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:122)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:127)
        at 
org.apache.zookeeper.test.ReconfigTest.testBulkReconfig(ReconfigTest.java:432)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)
Caused by: 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$2.run(Transport.java:202)
        at sun.rmi.transport.Transport$2.run(Transport.java:199)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:198)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:567)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.access$400(TCPTransport.java:619)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:684)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:681)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:681)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:275)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:252)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:161)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2404)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:308)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:90)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:714)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$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$2.run(Transport.java:202)
        at sun.rmi.transport.Transport$2.run(Transport.java:199)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:198)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:567)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.access$400(TCPTransport.java:619)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:684)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:681)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:681)
        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:745)


FAILED:  org.apache.zookeeper.test.ReconfigTest.testJMXBeanAfterRoleChange

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

Stack Trace:
java.lang.RuntimeException: java.rmi.ServerError: Error occurred in server 
thread; nested exception is: 
        java.lang.OutOfMemoryError: unable to create new native thread
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:122)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:127)
        at 
org.apache.zookeeper.test.ReconfigTest.testJMXBeanAfterRoleChange(ReconfigTest.java:991)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)
Caused by: 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$2.run(Transport.java:202)
        at sun.rmi.transport.Transport$2.run(Transport.java:199)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:198)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:567)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.access$400(TCPTransport.java:619)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:684)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:681)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:681)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:275)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:252)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:161)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2404)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:308)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:90)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:714)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$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$2.run(Transport.java:202)
        at sun.rmi.transport.Transport$2.run(Transport.java:199)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:198)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:567)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.access$400(TCPTransport.java:619)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:684)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:681)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:681)
        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:745)


FAILED:  org.apache.zookeeper.test.ReconfigTest.testRemoveOneAsynchronous

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:714)
        at 
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949)
        at 
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1371)
        at 
org.jboss.netty.util.internal.DeadLockProofWorker.start(DeadLockProofWorker.java:38)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(AbstractNioSelector.java:368)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.<init>(AbstractNioSelector.java:100)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorker.<init>(AbstractNioWorker.java:52)
        at 
org.jboss.netty.channel.socket.nio.NioWorker.<init>(NioWorker.java:45)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:44)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:28)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.init(AbstractNioWorkerPool.java:80)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:39)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:33)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:149)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:131)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:115)
        at 
org.apache.zookeeper.server.NettyServerCnxnFactory.<init>(NettyServerCnxnFactory.java:329)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at java.lang.Class.newInstance(Class.java:379)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:133)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:153)
        at 
org.apache.zookeeper.server.quorum.QuorumPeer.<init>(QuorumPeer.java:871)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:117)
        at org.apache.zookeeper.test.QuorumUtil.<init>(QuorumUtil.java:127)
        at 
org.apache.zookeeper.test.ReconfigTest.testRemoveOneAsynchronous(ReconfigTest.java:471)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)


FAILED:  org.apache.zookeeper.test.SessionTest.testSessionTimeout

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:714)
        at 
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949)
        at 
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1371)
        at 
org.jboss.netty.util.internal.DeadLockProofWorker.start(DeadLockProofWorker.java:38)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(AbstractNioSelector.java:368)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.<init>(AbstractNioSelector.java:100)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorker.<init>(AbstractNioWorker.java:52)
        at 
org.jboss.netty.channel.socket.nio.NioWorker.<init>(NioWorker.java:45)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:44)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:28)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.init(AbstractNioWorkerPool.java:80)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:39)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:33)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:149)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:131)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:115)
        at 
org.apache.zookeeper.server.NettyServerCnxnFactory.<init>(NettyServerCnxnFactory.java:329)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at java.lang.Class.newInstance(Class.java:379)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:133)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:153)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:147)
        at org.apache.zookeeper.test.SessionTest.setUp(SessionTest.java:77)


FAILED:  org.apache.zookeeper.test.SessionTest.testMinMaxSessionTimeout

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:714)
        at 
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949)
        at 
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1371)
        at 
org.jboss.netty.util.internal.DeadLockProofWorker.start(DeadLockProofWorker.java:38)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(AbstractNioSelector.java:368)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.<init>(AbstractNioSelector.java:100)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorker.<init>(AbstractNioWorker.java:52)
        at 
org.jboss.netty.channel.socket.nio.NioWorker.<init>(NioWorker.java:45)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:44)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:28)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.init(AbstractNioWorkerPool.java:80)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:39)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:33)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:149)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:131)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:115)
        at 
org.apache.zookeeper.server.NettyServerCnxnFactory.<init>(NettyServerCnxnFactory.java:329)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at java.lang.Class.newInstance(Class.java:379)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:133)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:153)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:147)
        at org.apache.zookeeper.test.SessionTest.setUp(SessionTest.java:77)


FAILED:  org.apache.zookeeper.test.SessionTest.testSessionMove

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:714)
        at 
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949)
        at 
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1371)
        at 
org.jboss.netty.util.internal.DeadLockProofWorker.start(DeadLockProofWorker.java:38)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(AbstractNioSelector.java:368)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.<init>(AbstractNioSelector.java:100)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorker.<init>(AbstractNioWorker.java:52)
        at 
org.jboss.netty.channel.socket.nio.NioWorker.<init>(NioWorker.java:45)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:44)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:28)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.init(AbstractNioWorkerPool.java:80)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:39)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:33)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:149)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:131)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:115)
        at 
org.apache.zookeeper.server.NettyServerCnxnFactory.<init>(NettyServerCnxnFactory.java:329)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at java.lang.Class.newInstance(Class.java:379)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:133)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:153)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:147)
        at org.apache.zookeeper.test.SessionTest.setUp(SessionTest.java:77)


FAILED:  org.apache.zookeeper.test.SessionTest.testSessionTimeoutAccess

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:714)
        at 
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949)
        at 
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1371)
        at 
org.jboss.netty.util.internal.DeadLockProofWorker.start(DeadLockProofWorker.java:38)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(AbstractNioSelector.java:368)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.<init>(AbstractNioSelector.java:100)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorker.<init>(AbstractNioWorker.java:52)
        at 
org.jboss.netty.channel.socket.nio.NioWorker.<init>(NioWorker.java:45)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:44)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:28)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.init(AbstractNioWorkerPool.java:80)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:39)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:33)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:149)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:131)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:115)
        at 
org.apache.zookeeper.server.NettyServerCnxnFactory.<init>(NettyServerCnxnFactory.java:329)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at java.lang.Class.newInstance(Class.java:379)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:133)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:153)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:147)
        at org.apache.zookeeper.test.SessionTest.setUp(SessionTest.java:77)


FAILED:  org.apache.zookeeper.test.SessionTest.testSession

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:714)
        at 
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949)
        at 
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1371)
        at 
org.jboss.netty.util.internal.DeadLockProofWorker.start(DeadLockProofWorker.java:38)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(AbstractNioSelector.java:368)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.<init>(AbstractNioSelector.java:100)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorker.<init>(AbstractNioWorker.java:52)
        at 
org.jboss.netty.channel.socket.nio.NioWorker.<init>(NioWorker.java:45)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:44)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:28)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.init(AbstractNioWorkerPool.java:80)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:39)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:33)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:149)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:131)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:115)
        at 
org.apache.zookeeper.server.NettyServerCnxnFactory.<init>(NettyServerCnxnFactory.java:329)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at java.lang.Class.newInstance(Class.java:379)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:133)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:153)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:147)
        at org.apache.zookeeper.test.SessionTest.setUp(SessionTest.java:77)


FAILED:  
org.apache.zookeeper.test.SessionTest.testSessionStateNoDupStateReporting

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:714)
        at 
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949)
        at 
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1371)
        at 
org.jboss.netty.util.internal.DeadLockProofWorker.start(DeadLockProofWorker.java:38)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(AbstractNioSelector.java:368)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.<init>(AbstractNioSelector.java:100)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorker.<init>(AbstractNioWorker.java:52)
        at 
org.jboss.netty.channel.socket.nio.NioWorker.<init>(NioWorker.java:45)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:44)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:28)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.init(AbstractNioWorkerPool.java:80)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:39)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:33)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:149)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:131)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:115)
        at 
org.apache.zookeeper.server.NettyServerCnxnFactory.<init>(NettyServerCnxnFactory.java:329)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at java.lang.Class.newInstance(Class.java:379)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:133)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:153)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:147)
        at org.apache.zookeeper.test.SessionTest.setUp(SessionTest.java:77)


FAILED:  org.apache.zookeeper.test.WatcherTest.testWatchAutoResetWithPending

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$2.run(Transport.java:202)
        at sun.rmi.transport.Transport$2.run(Transport.java:199)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:198)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:567)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.access$400(TCPTransport.java:619)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:684)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:681)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:681)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:275)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:252)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:161)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2404)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:308)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:268)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:227)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.ClientBase.setUp(ClientBase.java:512)
        at org.apache.zookeeper.test.WatcherTest.setUp(WatcherTest.java:76)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:714)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$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$2.run(Transport.java:202)
        at sun.rmi.transport.Transport$2.run(Transport.java:199)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:198)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:567)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.access$400(TCPTransport.java:619)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:684)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:681)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:681)
        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:745)


FAILED:  org.apache.zookeeper.test.WatcherTest.testWatcherCorrectness

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:714)
        at 
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949)
        at 
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1371)
        at 
org.jboss.netty.util.internal.DeadLockProofWorker.start(DeadLockProofWorker.java:38)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(AbstractNioSelector.java:368)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.<init>(AbstractNioSelector.java:100)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorker.<init>(AbstractNioWorker.java:52)
        at 
org.jboss.netty.channel.socket.nio.NioWorker.<init>(NioWorker.java:45)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:44)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:28)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.init(AbstractNioWorkerPool.java:80)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:39)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:33)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:149)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:131)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:115)
        at 
org.apache.zookeeper.server.NettyServerCnxnFactory.<init>(NettyServerCnxnFactory.java:329)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at java.lang.Class.newInstance(Class.java:379)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:133)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:153)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:147)
        at 
org.apache.zookeeper.test.ClientBase.createNewServerInstance(ClientBase.java:446)
        at org.apache.zookeeper.test.ClientBase.startServer(ClientBase.java:525)
        at org.apache.zookeeper.test.ClientBase.setUp(ClientBase.java:518)
        at org.apache.zookeeper.test.WatcherTest.setUp(WatcherTest.java:76)


FAILED:  
org.apache.zookeeper.test.WatcherTest.testWatcherAutoResetDisabledWithLocal

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:714)
        at 
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949)
        at 
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1371)
        at 
org.jboss.netty.util.internal.DeadLockProofWorker.start(DeadLockProofWorker.java:38)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(AbstractNioSelector.java:368)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.<init>(AbstractNioSelector.java:100)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorker.<init>(AbstractNioWorker.java:52)
        at 
org.jboss.netty.channel.socket.nio.NioWorker.<init>(NioWorker.java:45)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:44)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:28)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.init(AbstractNioWorkerPool.java:80)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:39)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:33)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:149)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:131)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:115)
        at 
org.apache.zookeeper.server.NettyServerCnxnFactory.<init>(NettyServerCnxnFactory.java:329)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at java.lang.Class.newInstance(Class.java:379)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:133)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:153)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:147)
        at 
org.apache.zookeeper.test.ClientBase.createNewServerInstance(ClientBase.java:446)
        at org.apache.zookeeper.test.ClientBase.startServer(ClientBase.java:525)
        at org.apache.zookeeper.test.ClientBase.setUp(ClientBase.java:518)
        at org.apache.zookeeper.test.WatcherTest.setUp(WatcherTest.java:76)


FAILED:  org.apache.zookeeper.test.WatcherTest.testWatcherAutoResetWithGlobal

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:714)
        at 
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949)
        at 
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1371)
        at 
org.jboss.netty.util.internal.DeadLockProofWorker.start(DeadLockProofWorker.java:38)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(AbstractNioSelector.java:368)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.<init>(AbstractNioSelector.java:100)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorker.<init>(AbstractNioWorker.java:52)
        at 
org.jboss.netty.channel.socket.nio.NioWorker.<init>(NioWorker.java:45)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:44)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:28)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.init(AbstractNioWorkerPool.java:80)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:39)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:33)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:149)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:131)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:115)
        at 
org.apache.zookeeper.server.NettyServerCnxnFactory.<init>(NettyServerCnxnFactory.java:329)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at java.lang.Class.newInstance(Class.java:379)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:133)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:153)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:147)
        at 
org.apache.zookeeper.test.ClientBase.createNewServerInstance(ClientBase.java:446)
        at org.apache.zookeeper.test.ClientBase.startServer(ClientBase.java:525)
        at org.apache.zookeeper.test.ClientBase.setUp(ClientBase.java:518)
        at org.apache.zookeeper.test.WatcherTest.setUp(WatcherTest.java:76)


FAILED:  org.apache.zookeeper.test.WatcherTest.testWatcherCount

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:714)
        at 
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949)
        at 
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1371)
        at 
org.jboss.netty.util.internal.DeadLockProofWorker.start(DeadLockProofWorker.java:38)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(AbstractNioSelector.java:368)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.<init>(AbstractNioSelector.java:100)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorker.<init>(AbstractNioWorker.java:52)
        at 
org.jboss.netty.channel.socket.nio.NioWorker.<init>(NioWorker.java:45)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:44)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:28)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.init(AbstractNioWorkerPool.java:80)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:39)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:33)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:149)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:131)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:115)
        at 
org.apache.zookeeper.server.NettyServerCnxnFactory.<init>(NettyServerCnxnFactory.java:329)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at java.lang.Class.newInstance(Class.java:379)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:133)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:153)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:147)
        at 
org.apache.zookeeper.test.ClientBase.createNewServerInstance(ClientBase.java:446)
        at org.apache.zookeeper.test.ClientBase.startServer(ClientBase.java:525)
        at org.apache.zookeeper.test.ClientBase.setUp(ClientBase.java:518)
        at org.apache.zookeeper.test.WatcherTest.setUp(WatcherTest.java:76)


FAILED:  
org.apache.zookeeper.test.WatcherTest.testWatcherAutoResetDisabledWithGlobal

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:714)
        at 
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949)
        at 
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1371)
        at 
org.jboss.netty.util.internal.DeadLockProofWorker.start(DeadLockProofWorker.java:38)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(AbstractNioSelector.java:368)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.<init>(AbstractNioSelector.java:100)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorker.<init>(AbstractNioWorker.java:52)
        at 
org.jboss.netty.channel.socket.nio.NioWorker.<init>(NioWorker.java:45)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:44)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:28)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.init(AbstractNioWorkerPool.java:80)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:39)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:33)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:149)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:131)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:115)
        at 
org.apache.zookeeper.server.NettyServerCnxnFactory.<init>(NettyServerCnxnFactory.java:329)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at java.lang.Class.newInstance(Class.java:379)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:133)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:153)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:147)
        at 
org.apache.zookeeper.test.ClientBase.createNewServerInstance(ClientBase.java:446)
        at org.apache.zookeeper.test.ClientBase.startServer(ClientBase.java:525)
        at org.apache.zookeeper.test.ClientBase.setUp(ClientBase.java:518)
        at org.apache.zookeeper.test.WatcherTest.setUp(WatcherTest.java:76)


FAILED:  org.apache.zookeeper.test.WatcherTest.testWatcherAutoResetWithLocal

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:714)
        at 
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949)
        at 
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1371)
        at 
org.jboss.netty.util.internal.DeadLockProofWorker.start(DeadLockProofWorker.java:38)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(AbstractNioSelector.java:368)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.<init>(AbstractNioSelector.java:100)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorker.<init>(AbstractNioWorker.java:52)
        at 
org.jboss.netty.channel.socket.nio.NioWorker.<init>(NioWorker.java:45)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:44)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.newWorker(NioWorkerPool.java:28)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.init(AbstractNioWorkerPool.java:80)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:39)
        at 
org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:33)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:149)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:131)
        at 
org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.<init>(NioServerSocketChannelFactory.java:115)
        at 
org.apache.zookeeper.server.NettyServerCnxnFactory.<init>(NettyServerCnxnFactory.java:329)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at java.lang.Class.newInstance(Class.java:379)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:133)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:153)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:147)
        at 
org.apache.zookeeper.test.ClientBase.createNewServerInstance(ClientBase.java:446)
        at org.apache.zookeeper.test.ClientBase.startServer(ClientBase.java:525)
        at org.apache.zookeeper.test.ClientBase.setUp(ClientBase.java:518)
        at org.apache.zookeeper.test.WatcherTest.setUp(WatcherTest.java:76)


FAILED:  org.apache.zookeeper.test.ClientTest.testClientCleanup

Error Message:
null

Stack Trace:
junit.framework.AssertionFailedError
        at 
org.apache.zookeeper.test.ClientTest.testClientCleanup(ClientTest.java:807)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)


FAILED:  org.apache.zookeeper.test.ObserverQuorumHammerTest.testHammerBasic

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:714)
        at 
org.apache.zookeeper.server.quorum.QuorumPeer.createElectionAlgorithm(QuorumPeer.java:952)
        at 
org.apache.zookeeper.server.quorum.QuorumPeer.startLeaderElection(QuorumPeer.java:843)
        at 
org.apache.zookeeper.server.quorum.QuorumPeer.start(QuorumPeer.java:779)
        at 
org.apache.zookeeper.test.QuorumBase.startServers(QuorumBase.java:210)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:120)
        at 
org.apache.zookeeper.test.ObserverQuorumHammerTest.setUp(ObserverQuorumHammerTest.java:30)


FAILED:  org.apache.zookeeper.test.ObserverTest.testObserverWithStandlone

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:714)
        at 
org.apache.zookeeper.server.quorum.QuorumPeerTestBase$MainThread.start(QuorumPeerTestBase.java:245)
        at 
org.apache.zookeeper.test.ObserverTest.testObserverWithStandlone(ObserverTest.java:227)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)


FAILED:  org.apache.zookeeper.test.ObserverTest.testObserverOnly

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:714)
        at 
org.apache.zookeeper.server.quorum.QuorumPeerTestBase$MainThread.start(QuorumPeerTestBase.java:245)
        at 
org.apache.zookeeper.test.ObserverTest.testObserverOnly(ObserverTest.java:206)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)


FAILED:  org.apache.zookeeper.test.ObserverTest.testObserver

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:714)
        at 
org.apache.zookeeper.server.quorum.QuorumPeerTestBase$MainThread.start(QuorumPeerTestBase.java:245)
        at 
org.apache.zookeeper.test.ObserverTest.testObserver(ObserverTest.java:85)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)