See https://builds.apache.org/job/ZooKeeper_branch34_openjdk7/1074/
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[junit] 2016-05-13 15:15:21,806 [myid:] - INFO [SyncThread:0:SyncRequestProcessor@187] - SyncRequestProcessor exited! [junit] 2016-05-13 15:15:21,806 [myid:] - INFO [main:FinalRequestProcessor@402] - shutdown of request processor complete [junit] 2016-05-13 15:15:21,806 [myid:] - INFO [main:FourLetterWordMain@62] - connecting to 127.0.0.1 11221 [junit] 2016-05-13 15:15:21,807 [myid:] - INFO [main:JMXEnv@146] - ensureOnly:[] [junit] 2016-05-13 15:15:21,811 [myid:] - INFO [main:ClientBase@545] - fdcount after test is: 44 at start it was 32 [junit] 2016-05-13 15:15:21,811 [myid:] - INFO [main:ClientBase@547] - sleeping for 20 secs [junit] 2016-05-13 15:15:21,812 [myid:] - INFO [main:ZKTestCase$1@60] - SUCCEEDED testQuota [junit] 2016-05-13 15:15:21,813 [myid:] - INFO [main:ZKTestCase$1@55] - FINISHED testQuota [junit] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.827 sec BUILD FAILED /home/jenkins/jenkins-slave/workspace/ZooKeeper_branch34_openjdk7/branch-3.4/build.xml:1320: Tests failed! Total time: 31 minutes 50 seconds Build step 'Invoke Ant' marked build as failure Recording test results Email was triggered for: Failure - Any Sending email for trigger: Failure - Any ################################################################################### ############################## FAILED TESTS (if any) ############################## 1 tests failed. FAILED: org.apache.zookeeper.server.ZxidRolloverTest.testRolloverThenLeaderRestart Error Message: KeeperErrorCode = Session expired for /foofoofoo-connected Stack Trace: org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /foofoofoo-connected at org.apache.zookeeper.KeeperException.create(KeeperException.java:127) at org.apache.zookeeper.KeeperException.create(KeeperException.java:51) at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1102) at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1130) at org.apache.zookeeper.server.ZxidRolloverTest.checkClientConnected(ZxidRolloverTest.java:103) at org.apache.zookeeper.server.ZxidRolloverTest.checkClientsConnected(ZxidRolloverTest.java:88) at org.apache.zookeeper.server.ZxidRolloverTest.start(ZxidRolloverTest.java:163) at org.apache.zookeeper.server.ZxidRolloverTest.testRolloverThenLeaderRestart(ZxidRolloverTest.java:387)