java.lang.AssertionError

Apache's JIRA Issue Tracker | KangYin | 3 months ago
  1. 0

    I'm studying on the Test of ZooKeeper 3.3.3 but got a test failure when I run _testResyncBySnapThenDiffAfterFollowerCrashes_ in _FollowerResyncConcurrencyTest.java_. {quote} 2016-09-05 13:57:35,072 - INFO [main:QuorumBase@307] - FINISHED testResyncBySnapThenDiffAfterFollowerCrashes java.util.concurrent.TimeoutException: Did not connect at org.apache.zookeeper.test.ClientBase$CountdownWatcher.waitForConnected(ClientBase.java:119) at org.apache.zookeeper.test.FollowerResyncConcurrencyTest.testResyncBySnapThenDiffAfterFollowerCrashes(FollowerResyncConcurrencyTest.java:95) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at junit.framework.TestCase.runTest(TestCase.java:168) at junit.framework.TestCase.runBare(TestCase.java:134) at junit.framework.TestResult$1.protect(TestResult.java:110) at junit.framework.TestResult.runProtected(TestResult.java:128) at junit.framework.TestResult.run(TestResult.java:113) at junit.framework.TestCase.run(TestCase.java:124) at junit.framework.TestSuite.runTest(TestSuite.java:232) at junit.framework.TestSuite.run(TestSuite.java:227) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83) at org.junit.runner.JUnitCore.run(JUnitCore.java:157) at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:119) at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:42) at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:234) at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:74) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at com.intellij.rt.execution.application.AppMain.main(AppMain.java:144) {quote} Which happened in _FollowerResyncConcurrencyTest.java_ at line 92. {quote} index = (index == 1) ? 2 : 1; qu.shutdown(index); final ZooKeeper zk3 = new DisconnectableZooKeeper("127.0.0.1:" + qu.getPeer(3).peer.getClientPort(), 1000,watcher3); {color:red}watcher3.waitForConnected(CONNECTION_TIMEOUT);{color} zk3.create("/mybar", null, ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.EPHEMERAL_SEQUENTIAL); {quote} I checked the Log Message, and I guess it is probably because of the following ERROR (marked as blue): {quote} 2016-09-05 13:56:54,928 - INFO [main-SendThread():ClientCnxn$SendThread@1041] - Opening socket connection to server /127.0.0.1:11237 2016-09-05 13:56:54,930 - INFO [main-SendThread(127.0.0.1:11237):ClientCnxn$SendThread@949] - Socket connection established to 127.0.0.1/127.0.0.1:11237, initiating session 2016-09-05 13:56:54,930 - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:11237:NIOServerCnxn$Factory@251] - Accepted socket connection from /127.0.0.1:33566 2016-09-05 13:56:54,957 - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:11237:NIOServerCnxn@777] - Client attempting to establish new session at /127.0.0.1:33566 {color:blue} 2016-09-05 13:56:55,000 - INFO [SyncThread:3:FileTxnLog@197] - Creating new log file: log.100000001 2016-09-05 13:56:55,000 - WARN [QuorumPeer:/0:0:0:0:0:0:0:0:11235:Follower@116] - Got zxid 0x100000001 expected 0x1 2016-09-05 13:56:55,000 - INFO [SyncThread:2:FileTxnLog@197] - Creating new log file: log.100000001 2016-09-05 13:56:55,078 - ERROR [CommitProcessor:3:CommitProcessor@146] - Unexpected exception causing CommitProcessor to exit java.lang.AssertionError at org.apache.zookeeper.jmx.MBeanRegistry.register(MBeanRegistry.java:66) at org.apache.zookeeper.server.NIOServerCnxn.finishSessionInit(NIOServerCnxn.java:1552) at org.apache.zookeeper.server.FinalRequestProcessor.processRequest(FinalRequestProcessor.java:183) at org.apache.zookeeper.server.quorum.Leader$ToBeAppliedRequestProcessor.processRequest(Leader.java:540) at org.apache.zookeeper.server.quorum.CommitProcessor.run(CommitProcessor.java:73) 2016-09-05 13:56:55,078 - INFO [CommitProcessor:3:CommitProcessor@148] - CommitProcessor exited loop! {color} 2016-09-05 13:56:55,931 - INFO [main-SendThread(127.0.0.1:11237):ClientCnxn$SendThread@1157] - Client session timed out, have not heard from server in 1001ms for sessionid 0x0, closing socket connection and attempting reconnect 2016-09-05 13:56:58,035 - INFO [main-SendThread(127.0.0.1:11237):ClientCnxn$SendThread@1041] - Opening socket connection to server 127.0.0.1/127.0.0.1:11237 2016-09-05 13:56:58,036 - INFO [main-SendThread(127.0.0.1:11237):ClientCnxn$SendThread@949] - Socket connection established to 127.0.0.1/127.0.0.1:11237, initiating session {quote} I'll very appreciate it if I can get some help from you genius people. Thanks.

    Apache's JIRA Issue Tracker | 3 months ago | KangYin
    java.lang.AssertionError
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    Root Cause Analysis

    1. java.lang.AssertionError

      No message provided

      at org.apache.zookeeper.jmx.MBeanRegistry.register()
    2. Zookeeper
      CommitProcessor.run
      1. org.apache.zookeeper.jmx.MBeanRegistry.register(MBeanRegistry.java:66)
      2. org.apache.zookeeper.server.NIOServerCnxn.finishSessionInit(NIOServerCnxn.java:1552)
      3. org.apache.zookeeper.server.FinalRequestProcessor.processRequest(FinalRequestProcessor.java:183)
      4. org.apache.zookeeper.server.quorum.Leader$ToBeAppliedRequestProcessor.processRequest(Leader.java:540)
      5. org.apache.zookeeper.server.quorum.CommitProcessor.run(CommitProcessor.java:73)
      5 frames