See https://builds.apache.org/job/ZooKeeper_branch35_jdk8/642/

###################################################################################
########################## LAST 60 LINES OF THE CONSOLE 
###########################
[...truncated 60.55 MB...]
    [junit] 2017-08-19 17:45:46,368 [myid:127.0.0.1:21994] - WARN  
[main-SendThread(127.0.0.1:21994):ClientCnxn$SendThread@1235] - Session 
0x1062577c9a50000 for server 127.0.0.1/127.0.0.1:21994, unexpected error, 
closing socket connection and attempting reconnect
    [junit] java.net.ConnectException: Connection refused
    [junit]     at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
    [junit]     at 
sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
    [junit]     at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:357)
    [junit]     at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1214)
    [junit] 2017-08-19 17:45:46,572 [myid:] - INFO  [ProcessThread(sid:0 
cport:22240)::PrepRequestProcessor@611] - Processed session termination for 
sessionid: 0x106257de7750000
    [junit] 2017-08-19 17:45:46,573 [myid:] - INFO  
[SyncThread:0:MBeanRegistry@128] - Unregister MBean 
[org.apache.ZooKeeperService:name0=StandaloneServer_port22240,name1=Connections,name2=127.0.0.1,name3=0x106257de7750000]
    [junit] 2017-08-19 17:45:46,573 [myid:] - INFO  [main:ZooKeeper@1334] - 
Session: 0x106257de7750000 closed
    [junit] 2017-08-19 17:45:46,573 [myid:] - INFO  
[main-EventThread:ClientCnxn$EventThread@513] - EventThread shut down for 
session: 0x106257de7750000
    [junit] 2017-08-19 17:45:46,573 [myid:] - INFO  
[main:JUnit4ZKTestRunner$LoggedInvokeMethod@82] - Memory used 204581
    [junit] 2017-08-19 17:45:46,574 [myid:] - INFO  
[main:JUnit4ZKTestRunner$LoggedInvokeMethod@87] - Number of threads 2498
    [junit] 2017-08-19 17:45:46,574 [myid:] - INFO  
[main:JUnit4ZKTestRunner$LoggedInvokeMethod@102] - FINISHED TEST METHOD 
testWatcherAutoResetWithLocal
    [junit] 2017-08-19 17:45:46,574 [myid:] - INFO  [main:ClientBase@586] - 
tearDown starting
    [junit] 2017-08-19 17:45:46,574 [myid:] - INFO  [main:ClientBase@556] - 
STOPPING server
    [junit] 2017-08-19 17:45:46,574 [myid:] - INFO  
[main:NettyServerCnxnFactory@464] - shutdown called 0.0.0.0/0.0.0.0:22240
    [junit] 2017-08-19 17:45:46,580 [myid:] - INFO  [main:ZooKeeperServer@541] 
- shutting down
    [junit] 2017-08-19 17:45:46,580 [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] 2017-08-19 17:45:46,581 [myid:] - INFO  
[main:SessionTrackerImpl@232] - Shutting down
    [junit] 2017-08-19 17:45:46,581 [myid:] - INFO  
[main:PrepRequestProcessor@1005] - Shutting down
    [junit] 2017-08-19 17:45:46,581 [myid:] - INFO  
[main:SyncRequestProcessor@191] - Shutting down
    [junit] 2017-08-19 17:45:46,581 [myid:] - INFO  [ProcessThread(sid:0 
cport:22240)::PrepRequestProcessor@155] - PrepRequestProcessor exited loop!
    [junit] 2017-08-19 17:45:46,581 [myid:] - INFO  
[SyncThread:0:SyncRequestProcessor@169] - SyncRequestProcessor exited!
    [junit] 2017-08-19 17:45:46,582 [myid:] - INFO  
[main:FinalRequestProcessor@481] - shutdown of request processor complete
    [junit] 2017-08-19 17:45:46,582 [myid:] - INFO  [main:MBeanRegistry@128] - 
Unregister MBean 
[org.apache.ZooKeeperService:name0=StandaloneServer_port22240,name1=InMemoryDataTree]
    [junit] 2017-08-19 17:45:46,582 [myid:] - INFO  [main:MBeanRegistry@128] - 
Unregister MBean [org.apache.ZooKeeperService:name0=StandaloneServer_port22240]
    [junit] 2017-08-19 17:45:46,582 [myid:] - INFO  
[main:FourLetterWordMain@87] - connecting to 127.0.0.1 22240
    [junit] 2017-08-19 17:45:46,583 [myid:] - INFO  [main:JMXEnv@146] - 
ensureOnly:[]
    [junit] 2017-08-19 17:45:46,592 [myid:] - INFO  [main:ClientBase@611] - 
fdcount after test is: 7374 at start it was 7374
    [junit] 2017-08-19 17:45:46,592 [myid:] - INFO  [main:ZKTestCase$1@68] - 
SUCCEEDED testWatcherAutoResetWithLocal
    [junit] 2017-08-19 17:45:46,592 [myid:] - INFO  [main:ZKTestCase$1@63] - 
FINISHED testWatcherAutoResetWithLocal
    [junit] Tests run: 103, Failures: 0, Errors: 15, Skipped: 0, Time elapsed: 
407.742 sec, Thread: 5, Class: org.apache.zookeeper.test.NioNettySuiteTest
    [junit] 2017-08-19 17:45:46,716 [myid:127.0.0.1:22123] - INFO  
[main-SendThread(127.0.0.1:22123):ClientCnxn$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] 2017-08-19 17:45:46,716 [myid:127.0.0.1:22123] - WARN  
[main-SendThread(127.0.0.1:22123):ClientCnxn$SendThread@1235] - Session 
0x306257a99dd0000 for server 127.0.0.1/127.0.0.1:22123, unexpected error, 
closing socket connection and attempting reconnect
    [junit] java.net.ConnectException: Connection refused
    [junit]     at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
    [junit]     at 
sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
    [junit]     at 
org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:357)
    [junit]     at 
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1214)
    [junit] 2017-08-19 17:45:46,817 [myid:127.0.0.1:22120] - INFO  
[main-SendThread(127.0.0.1:22120):ClientCnxn$SendThread@1113] - Opening socket 
connection to server 127.0.0.1/127.0.0.1:22120. Will not attempt to 
authenticate using SASL (unknown error)
    [junit] 2017-08-19 17:45:46,818 [myid:127.0.0.1:22120] - WARN  
[main-SendThread(127.0.0.1:22120):ClientCnxn$SendThread@1235] - Session 
0x206257a99d50000 for server 127.0.0.1/127.0.0.1:22120, 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:717)
    [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

fail.build.on.test.failure:

BUILD FAILED
/home/jenkins/jenkins-slave/workspace/ZooKeeper_branch35_jdk8/build.xml:1226: 
The following error occurred while executing this line:
/home/jenkins/jenkins-slave/workspace/ZooKeeper_branch35_jdk8/build.xml:1230: 
Tests failed!

Total time: 9 minutes 54 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) 
##############################
14 tests failed.
FAILED:  org.apache.zookeeper.test.AsyncHammerTest.testHammer

Error Message:
null

Stack Trace:
junit.framework.AssertionFailedError
        at 
org.apache.zookeeper.test.AsyncHammerTest.testHammer(AsyncHammerTest.java:185)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)


FAILED:  org.apache.zookeeper.test.AsyncHammerTest.testObserversHammer

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:717)
        at 
org.apache.zookeeper.test.AsyncHammerTest.testObserversHammer(AsyncHammerTest.java:207)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)


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

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:717)
        at 
org.apache.zookeeper.server.ZooKeeperServer.startSessionTracker(ZooKeeperServer.java:479)
        at 
org.apache.zookeeper.server.ZooKeeperServer.startup(ZooKeeperServer.java:451)
        at 
org.apache.zookeeper.server.NettyServerCnxnFactory.startup(NettyServerCnxnFactory.java:511)
        at 
org.apache.zookeeper.server.ServerCnxnFactory.startup(ServerCnxnFactory.java:98)
        at 
org.apache.zookeeper.test.ClientBase.startServerInstance(ClientBase.java:406)
        at org.apache.zookeeper.test.ClientBase.startServer(ClientBase.java:512)
        at org.apache.zookeeper.test.ClientBase.setUp(ClientBase.java:503)


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

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:717)
        at 
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:957)
        at 
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1378)
        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:332)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at java.lang.Class.newInstance(Class.java:442)
        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:431)
        at org.apache.zookeeper.test.ClientBase.startServer(ClientBase.java:510)
        at org.apache.zookeeper.test.ClientBase.setUp(ClientBase.java:503)


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

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:717)
        at 
sun.rmi.transport.ObjectTable.incrementKeepAliveCount(ObjectTable.java:281)
        at sun.rmi.transport.ObjectTable.putTarget(ObjectTable.java:196)
        at sun.rmi.transport.Transport.exportObject(Transport.java:106)
        at 
sun.rmi.transport.tcp.TCPTransport.exportObject(TCPTransport.java:260)
        at sun.rmi.transport.tcp.TCPEndpoint.exportObject(TCPEndpoint.java:411)
        at sun.rmi.transport.LiveRef.exportObject(LiveRef.java:147)
        at 
sun.rmi.server.UnicastServerRef.exportObject(UnicastServerRef.java:236)
        at 
java.rmi.server.UnicastRemoteObject.exportObject(UnicastRemoteObject.java:383)
        at 
java.rmi.server.UnicastRemoteObject.exportObject(UnicastRemoteObject.java:346)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.export(RMIJRMPServerImpl.java:148)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.export(RMIJRMPServerImpl.java:124)
        at 
javax.management.remote.rmi.RMIConnectorServer.start(RMIConnectorServer.java:404)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:54)
        at org.apache.zookeeper.test.ClientBase.setUp(ClientBase.java:497)


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

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:386)
        at sun.rmi.transport.Transport$1.run(Transport.java:200)
        at sun.rmi.transport.Transport$1.run(Transport.java:197)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:196)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:568)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:826)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:683)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:682)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:283)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:260)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:161)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2430)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:308)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:270)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:229)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.ClientBase.setUp(ClientBase.java:497)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:717)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$RMIServerCommunicatorAdmin.<init>(RMIConnectionImpl.java:1321)
        at 
javax.management.remote.rmi.RMIConnectionImpl.<init>(RMIConnectionImpl.java:164)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.makeClient(RMIJRMPServerImpl.java:207)
        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:357)
        at sun.rmi.transport.Transport$1.run(Transport.java:200)
        at sun.rmi.transport.Transport$1.run(Transport.java:197)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:196)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:568)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:826)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:683)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:682)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)


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

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:717)
        at 
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:957)
        at 
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1378)
        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:332)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at java.lang.Class.newInstance(Class.java:442)
        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:431)
        at org.apache.zookeeper.test.ClientBase.startServer(ClientBase.java:510)
        at org.apache.zookeeper.test.ClientBase.setUp(ClientBase.java:503)


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

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:717)
        at 
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:957)
        at 
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1378)
        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:332)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at java.lang.Class.newInstance(Class.java:442)
        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:431)
        at org.apache.zookeeper.test.ClientBase.startServer(ClientBase.java:510)
        at org.apache.zookeeper.test.ClientBase.setUp(ClientBase.java:503)


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

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:717)
        at 
com.sun.jmx.remote.internal.ClientCommunicatorAdmin.<init>(ClientCommunicatorAdmin.java:45)
        at 
javax.management.remote.rmi.RMIConnector$RMIClientCommunicatorAdmin.<init>(RMIConnector.java:1493)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:339)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:270)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:229)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.ClientBase.setUp(ClientBase.java:497)


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

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:386)
        at sun.rmi.transport.Transport$1.run(Transport.java:200)
        at sun.rmi.transport.Transport$1.run(Transport.java:197)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:196)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:568)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:826)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:683)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:682)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
        at 
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:283)
        at 
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:260)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:161)
        at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown 
Source)
        at 
javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2430)
        at 
javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:308)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:270)
        at 
javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:229)
        at org.apache.zookeeper.test.JMXEnv.setUp(JMXEnv.java:58)
        at org.apache.zookeeper.test.ClientBase.setUp(ClientBase.java:497)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:717)
        at 
com.sun.jmx.remote.internal.ServerCommunicatorAdmin.<init>(ServerCommunicatorAdmin.java:50)
        at 
javax.management.remote.rmi.RMIConnectionImpl$RMIServerCommunicatorAdmin.<init>(RMIConnectionImpl.java:1321)
        at 
javax.management.remote.rmi.RMIConnectionImpl.<init>(RMIConnectionImpl.java:164)
        at 
javax.management.remote.rmi.RMIJRMPServerImpl.makeClient(RMIJRMPServerImpl.java:207)
        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:357)
        at sun.rmi.transport.Transport$1.run(Transport.java:200)
        at sun.rmi.transport.Transport$1.run(Transport.java:197)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:196)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:568)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:826)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:683)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:682)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)


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

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:717)
        at 
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:957)
        at 
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1378)
        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:332)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at java.lang.Class.newInstance(Class.java:442)
        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:431)
        at org.apache.zookeeper.test.ClientBase.startServer(ClientBase.java:510)
        at org.apache.zookeeper.test.ClientBase.setUp(ClientBase.java:503)


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

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:717)
        at 
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:957)
        at 
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1378)
        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:332)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at java.lang.Class.newInstance(Class.java:442)
        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:431)
        at org.apache.zookeeper.test.ClientBase.startServer(ClientBase.java:510)
        at org.apache.zookeeper.test.ClientBase.setUp(ClientBase.java:503)


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

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:717)
        at 
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:957)
        at 
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1378)
        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:332)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at java.lang.Class.newInstance(Class.java:442)
        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:431)
        at org.apache.zookeeper.test.ClientBase.startServer(ClientBase.java:510)
        at org.apache.zookeeper.test.ClientBase.setUp(ClientBase.java:503)


FAILED:  org.apache.zookeeper.test.QuorumHammerTest.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:717)
        at 
org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger.start(FastLeaderElection.java:520)
        at 
org.apache.zookeeper.server.quorum.FastLeaderElection.start(FastLeaderElection.java:637)
        at 
org.apache.zookeeper.server.quorum.QuorumPeer.createElectionAlgorithm(QuorumPeer.java:1051)
        at 
org.apache.zookeeper.server.quorum.QuorumPeer.startLeaderElection(QuorumPeer.java:937)
        at 
org.apache.zookeeper.server.quorum.QuorumPeer.start(QuorumPeer.java:861)
        at 
org.apache.zookeeper.test.QuorumBase.startServers(QuorumBase.java:216)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:120)
        at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:78)
        at 
org.apache.zookeeper.test.QuorumHammerTest.setUp(QuorumHammerTest.java:36)

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