See https://builds.apache.org/job/ZooKeeper-trunk-jdk8/647/
################################################################################### ########################## LAST 60 LINES OF THE CONSOLE ########################### [...truncated 449734 lines...] [junit] 2016-06-24 11:57:53,150 [myid:] - INFO [ProcessThread(sid:0 cport:24931)::PrepRequestProcessor@647] - Processed session termination for sessionid: 0x100db7b55d30000 [junit] 2016-06-24 11:57:53,166 [myid:] - WARN [New I/O worker #6635:NettyServerCnxnFactory$CnxnChannelHandler@142] - Exception caught [id: 0x544e9fe3, /127.0.0.1:38088 :> /127.0.0.1:24931] EXCEPTION: java.nio.channels.ClosedChannelException [junit] java.nio.channels.ClosedChannelException [junit] at sun.nio.ch.SocketChannelImpl.ensureWriteOpen(SocketChannelImpl.java:265) [junit] at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:456) [junit] at org.jboss.netty.channel.socket.nio.SocketSendBufferPool$UnpooledSendBuffer.transferTo(SocketSendBufferPool.java:203) [junit] at org.jboss.netty.channel.socket.nio.AbstractNioWorker.write0(AbstractNioWorker.java:201) [junit] at org.jboss.netty.channel.socket.nio.AbstractNioWorker.writeFromTaskLoop(AbstractNioWorker.java:151) [junit] at org.jboss.netty.channel.socket.nio.AbstractNioChannel$WriteTask.run(AbstractNioChannel.java:315) [junit] at org.jboss.netty.channel.socket.nio.AbstractNioSelector.processTaskQueue(AbstractNioSelector.java:391) [junit] at org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:315) [junit] at org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89) [junit] at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178) [junit] at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108) [junit] at org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42) [junit] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [junit] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [junit] at java.lang.Thread.run(Thread.java:744) [junit] 2016-06-24 11:57:53,166 [myid:] - INFO [SyncThread:0:MBeanRegistry@128] - Unregister MBean [org.apache.ZooKeeperService:name0=StandaloneServer_port24931,name1=Connections,name2=127.0.0.1,name3=0x100db7b55d30000] [junit] 2016-06-24 11:57:53,191 [myid:127.0.0.1:24808] - INFO [main-SendThread(127.0.0.1:24808):ClientCnxn$SendThread@1113] - Opening socket connection to server 127.0.0.1/127.0.0.1:24808. Will not attempt to authenticate using SASL (unknown error) [junit] 2016-06-24 11:57:53,191 [myid:127.0.0.1:24808] - WARN [main-SendThread(127.0.0.1:24808):ClientCnxn$SendThread@1235] - Session 0x100db785e930000 for server 127.0.0.1/127.0.0.1:24808, 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:712) [junit] at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:357) [junit] at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1214) [junit] 2016-06-24 11:57:53,266 [myid:] - INFO [main:ZooKeeper@1313] - Session: 0x100db7b55d30000 closed [junit] 2016-06-24 11:57:53,266 [myid:] - INFO [main-EventThread:ClientCnxn$EventThread@513] - EventThread shut down for session: 0x100db7b55d30000 [junit] 2016-06-24 11:57:53,268 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@82] - Memory used 149498 [junit] 2016-06-24 11:57:53,268 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@87] - Number of threads 1640 [junit] 2016-06-24 11:57:53,268 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@102] - FINISHED TEST METHOD testWatcherAutoResetWithLocal [junit] 2016-06-24 11:57:53,268 [myid:] - INFO [main:ClientBase@543] - tearDown starting [junit] 2016-06-24 11:57:53,268 [myid:] - INFO [main:ClientBase@513] - STOPPING server [junit] 2016-06-24 11:57:53,268 [myid:] - INFO [main:NettyServerCnxnFactory@464] - shutdown called 0.0.0.0/0.0.0.0:24931 [junit] 2016-06-24 11:57:53,272 [myid:] - INFO [main:ZooKeeperServer@498] - shutting down [junit] 2016-06-24 11:57:53,273 [myid:] - INFO [main:SessionTrackerImpl@232] - Shutting down [junit] 2016-06-24 11:57:53,273 [myid:] - INFO [main:PrepRequestProcessor@965] - Shutting down [junit] 2016-06-24 11:57:53,273 [myid:] - INFO [main:SyncRequestProcessor@191] - Shutting down [junit] 2016-06-24 11:57:53,273 [myid:] - INFO [ProcessThread(sid:0 cport:24931)::PrepRequestProcessor@154] - PrepRequestProcessor exited loop! [junit] 2016-06-24 11:57:53,273 [myid:] - INFO [SyncThread:0:SyncRequestProcessor@169] - SyncRequestProcessor exited! [junit] 2016-06-24 11:57:53,274 [myid:] - INFO [main:FinalRequestProcessor@479] - shutdown of request processor complete [junit] 2016-06-24 11:57:53,274 [myid:] - INFO [main:MBeanRegistry@128] - Unregister MBean [org.apache.ZooKeeperService:name0=StandaloneServer_port24931,name1=InMemoryDataTree] [junit] 2016-06-24 11:57:53,274 [myid:] - INFO [main:MBeanRegistry@128] - Unregister MBean [org.apache.ZooKeeperService:name0=StandaloneServer_port24931] [junit] 2016-06-24 11:57:53,274 [myid:] - INFO [main:FourLetterWordMain@85] - connecting to 127.0.0.1 24931 [junit] 2016-06-24 11:57:53,275 [myid:] - INFO [main:JMXEnv@146] - ensureOnly:[] [junit] 2016-06-24 11:57:53,286 [myid:] - INFO [main:ClientBase@568] - fdcount after test is: 4834 at start it was 4834 [junit] 2016-06-24 11:57:53,286 [myid:] - INFO [main:ZKTestCase$1@65] - SUCCEEDED testWatcherAutoResetWithLocal [junit] 2016-06-24 11:57:53,286 [myid:] - INFO [main:ZKTestCase$1@60] - FINISHED testWatcherAutoResetWithLocal [junit] Tests run: 101, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 532.557 sec, Thread: 6, Class: org.apache.zookeeper.test.NioNettySuiteTest BUILD FAILED /home/jenkins/jenkins-slave/workspace/ZooKeeper-trunk-jdk8/trunk/build.xml:1207: Tests failed! Total time: 13 minutes 25 seconds Build step 'Invoke Ant' marked build as failure [WARNINGS] Skipping publisher since build result is FAILURE Recording test results Email was triggered for: Failure - Any Sending email for trigger: Failure - Any ################################################################################### ############################## FAILED TESTS (if any) ############################## 2 tests failed. FAILED: org.apache.zookeeper.test.AsyncHammerTest.testHammer Error Message: unable to create new native thread Stack Trace: java.lang.OutOfMemoryError: unable to create new native thread at java.lang.Thread.start0(Native Method) at java.lang.Thread.start(Thread.java:713) at org.apache.zookeeper.test.AsyncHammerTest.testHammer(AsyncHammerTest.java:177) at org.apache.zookeeper.JUnit4ZKTestRunner$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:713) at java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:950) at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1368) 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:408) at java.lang.Class.newInstance(Class.java:433) at org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:134) at org.apache.zookeeper.server.ServerCnxnFactory.createFactory(ServerCnxnFactory.java:152) at org.apache.zookeeper.server.quorum.QuorumPeer.<init>(QuorumPeer.java:863) at org.apache.zookeeper.test.QuorumBase.startServers(QuorumBase.java:178) at org.apache.zookeeper.test.QuorumBase.setUp(QuorumBase.java:120) at org.apache.zookeeper.test.AsyncHammerTest.setUp(AsyncHammerTest.java:52) at org.apache.zookeeper.test.AsyncHammerTest.testObserversHammer(AsyncHammerTest.java:203) at org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)