See https://builds.apache.org/job/ZooKeeper_branch35_jdk8/564/
################################################################################### ########################## LAST 60 LINES OF THE CONSOLE ########################### [...truncated 62.86 MB...] [junit] 2017-06-14 12:14:07,948 [myid:127.0.0.1:27506] - INFO [main-SendThread(127.0.0.1:27506):ClientCnxn$SendThread@1113] - Opening socket connection to server 127.0.0.1/127.0.0.1:27506. Will not attempt to authenticate using SASL (unknown error) [junit] 2017-06-14 12:14:07,948 [myid:127.0.0.1:27506] - WARN [main-SendThread(127.0.0.1:27506):ClientCnxn$SendThread@1235] - Session 0x2022344fa890000 for server 127.0.0.1/127.0.0.1:27506, 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$SendThread.run(ClientCnxn.java:1214) [junit] 2017-06-14 12:14:08,245 [myid:] - INFO [ProcessThread(sid:0 cport:27626)::PrepRequestProcessor@613] - Processed session termination for sessionid: 0x102234826b60000 [junit] 2017-06-14 12:14:08,246 [myid:] - INFO [SyncThread:0:MBeanRegistry@128] - Unregister MBean [org.apache.ZooKeeperService:name0=StandaloneServer_port27626,name1=Connections,name2=127.0.0.1,name3=0x102234826b60000] [junit] 2017-06-14 12:14:08,246 [myid:] - INFO [main:ZooKeeper@1331] - Session: 0x102234826b60000 closed [junit] 2017-06-14 12:14:08,246 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@82] - Memory used 172584 [junit] 2017-06-14 12:14:08,246 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@87] - Number of threads 1644 [junit] 2017-06-14 12:14:08,246 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@102] - FINISHED TEST METHOD testWatcherAutoResetWithLocal [junit] 2017-06-14 12:14:08,247 [myid:] - INFO [main:ClientBase@586] - tearDown starting [junit] 2017-06-14 12:14:08,247 [myid:] - INFO [main:ClientBase@556] - STOPPING server [junit] 2017-06-14 12:14:08,247 [myid:] - INFO [main:NettyServerCnxnFactory@464] - shutdown called 0.0.0.0/0.0.0.0:27626 [junit] 2017-06-14 12:14:08,246 [myid:] - INFO [main-EventThread:ClientCnxn$EventThread@513] - EventThread shut down for session: 0x102234826b60000 [junit] 2017-06-14 12:14:08,250 [myid:] - INFO [main:ZooKeeperServer@541] - shutting down [junit] 2017-06-14 12:14:08,250 [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] 2017-06-14 12:14:08,251 [myid:] - INFO [main:SessionTrackerImpl@232] - Shutting down [junit] 2017-06-14 12:14:08,251 [myid:] - INFO [main:PrepRequestProcessor@1010] - Shutting down [junit] 2017-06-14 12:14:08,251 [myid:] - INFO [main:SyncRequestProcessor@191] - Shutting down [junit] 2017-06-14 12:14:08,251 [myid:] - INFO [ProcessThread(sid:0 cport:27626)::PrepRequestProcessor@156] - PrepRequestProcessor exited loop! [junit] 2017-06-14 12:14:08,251 [myid:] - INFO [SyncThread:0:SyncRequestProcessor@169] - SyncRequestProcessor exited! [junit] 2017-06-14 12:14:08,251 [myid:] - INFO [main:FinalRequestProcessor@481] - shutdown of request processor complete [junit] 2017-06-14 12:14:08,251 [myid:] - INFO [main:MBeanRegistry@128] - Unregister MBean [org.apache.ZooKeeperService:name0=StandaloneServer_port27626,name1=InMemoryDataTree] [junit] 2017-06-14 12:14:08,251 [myid:] - INFO [main:MBeanRegistry@128] - Unregister MBean [org.apache.ZooKeeperService:name0=StandaloneServer_port27626] [junit] 2017-06-14 12:14:08,252 [myid:] - INFO [main:FourLetterWordMain@85] - connecting to 127.0.0.1 27626 [junit] 2017-06-14 12:14:08,253 [myid:] - INFO [main:JMXEnv@146] - ensureOnly:[] [junit] 2017-06-14 12:14:08,257 [myid:] - INFO [main:ClientBase@611] - fdcount after test is: 4843 at start it was 4843 [junit] 2017-06-14 12:14:08,257 [myid:] - INFO [main:ZKTestCase$1@68] - SUCCEEDED testWatcherAutoResetWithLocal [junit] 2017-06-14 12:14:08,257 [myid:] - INFO [main:ZKTestCase$1@63] - FINISHED testWatcherAutoResetWithLocal [junit] Tests run: 103, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 475.867 sec, Thread: 7, Class: org.apache.zookeeper.test.NioNettySuiteTest [junit] 2017-06-14 12:14:08,462 [myid:127.0.0.1:27380] - INFO [main-SendThread(127.0.0.1:27380):ClientCnxn$SendThread@1113] - Opening socket connection to server 127.0.0.1/127.0.0.1:27380. Will not attempt to authenticate using SASL (unknown error) [junit] 2017-06-14 12:14:08,462 [myid:127.0.0.1:27380] - WARN [main-SendThread(127.0.0.1:27380):ClientCnxn$SendThread@1235] - Session 0x1022340ff220000 for server 127.0.0.1/127.0.0.1:27380, unexpected error, closing socket connection and attempting reconnect [junit] java.net.ConnectException: Connection refused [junit] at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) [junit] at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717) [junit] at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:357) [junit] at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1214) [junit] 2017-06-14 12:14:08,563 [myid:127.0.0.1:27509] - INFO [main-SendThread(127.0.0.1:27509):ClientCnxn$SendThread@1113] - Opening socket connection to server 127.0.0.1/127.0.0.1:27509. Will not attempt to authenticate using SASL (unknown error) [junit] 2017-06-14 12:14:08,563 [myid:127.0.0.1:27509] - WARN [main-SendThread(127.0.0.1:27509):ClientCnxn$SendThread@1235] - Session 0x3022344fa550000 for server 127.0.0.1/127.0.0.1:27509, 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$SendThread.run(ClientCnxn.java:1214) fail.build.on.test.failure: BUILD FAILED /home/jenkins/jenkins-slave/workspace/ZooKeeper_branch35_jdk8/build.xml:1219: The following error occurred while executing this line: /home/jenkins/jenkins-slave/workspace/ZooKeeper_branch35_jdk8/build.xml:1223: Tests failed! Total time: 11 minutes 13 seconds Build step 'Invoke Ant' marked build as failure Recording test results Email was triggered for: Failure - Any Sending email for trigger: Failure - Any ################################################################################### ############################## FAILED TESTS (if any) ############################## 1 tests failed. FAILED: org.apache.zookeeper.test.AsyncHammerTest.testHammer Error Message: null Stack Trace: junit.framework.AssertionFailedError at org.apache.zookeeper.test.AsyncHammerTest.testHammer(AsyncHammerTest.java:185) at org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)