James Server
  1. James Server
  2. JAMES-852

pop3server-function tests found in a deadlock on hudson

    Details

    • Type: Bug Bug
    • Status: Resolved
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: Trunk
    • Fix Version/s: 3.0-M1
    • Component/s: POP3Server
    • Labels:
      None

      Description

      Today I found our m2 based build for server-trunk in hudson deadlocked.
      Not investigated yet, but here is the deadlock:

      Found one Java-level deadlock:
      =============================
      "Worker Pool Worker #1":
      waiting to lock monitor 0x0818e794 (object 0xf0e20de0, a java.util.ArrayList),
      which is held by "main"
      "main":
      waiting to lock monitor 0x0818e8d4 (object 0xf0e21008, a org.apache.james.util.connection.ServerConnection$ClientConnectionRunner),
      which is held by "Worker Pool Worker #1"

      Java stack information for the threads listed above:
      ===================================================
      "Worker Pool Worker #1":
      at org.apache.james.util.connection.ServerConnection.removeClientConnectionRunner(ServerConnection.java:256)

      • waiting to lock <0xf0e20de0> (a java.util.ArrayList)
        at org.apache.james.util.connection.ServerConnection.access$300(ServerConnection.java:50)
        at org.apache.james.util.connection.ServerConnection$ClientConnectionRunner.run(ServerConnection.java:509)
      • locked <0xf0e21008> (a org.apache.james.util.connection.ServerConnection$ClientConnectionRunner)
        at org.apache.excalibur.thread.impl.ExecutableRunnable.execute(ExecutableRunnable.java:57)
        at org.apache.excalibur.thread.impl.WorkerThread.run(WorkerThread.java:118)
      • locked <0xf0e2d698> (a org.apache.avalon.excalibur.thread.impl.SimpleWorkerThread)
        "main":
        at org.apache.james.util.connection.ServerConnection$ClientConnectionRunner.dispose(ServerConnection.java:423)
      • waiting to lock <0xf0e21008> (a org.apache.james.util.connection.ServerConnection$ClientConnectionRunner)
        at org.apache.james.util.connection.ServerConnection.dispose(ServerConnection.java:209)
      • locked <0xf0e20de0> (a java.util.ArrayList)
        at org.apache.james.util.connection.SimpleConnectionManager.disconnect(SimpleConnectionManager.java:291)
        at org.apache.james.core.AbstractJamesService.dispose(AbstractJamesService.java:620)
        at org.apache.james.pop3server.POP3ServerTest.tearDown(POP3ServerTest.java:131)
        at junit.framework.TestCase.runBare(TestCase.java:130)
        at junit.framework.TestResult$1.protect(TestResult.java:106)
        at junit.framework.TestResult.runProtected(TestResult.java:124)
        at junit.framework.TestResult.run(TestResult.java:109)
        at junit.framework.TestCase.run(TestCase.java:118)
        at junit.framework.TestSuite.runTest(TestSuite.java:208)
        at junit.framework.TestSuite.run(TestSuite.java:203)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.apache.maven.surefire.junit.JUnitTestSet.execute(JUnitTestSet.java:213)
        at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.executeTestSet(AbstractDirectoryTestSuite.java:140)
        at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.execute(AbstractDirectoryTestSuite.java:127)
        at org.apache.maven.surefire.Surefire.run(Surefire.java:177)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.apache.maven.surefire.booter.SurefireBooter.runSuitesInProcess(SurefireBooter.java:334)
        at org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:980)

        Activity

        Hide
        Stefano Bagnara added a comment -

        I saw remotemanager test in the same deadlock once.

        Show
        Stefano Bagnara added a comment - I saw remotemanager test in the same deadlock once.
        Hide
        Norman Maurer added a comment -

        Never saw a deadlock again after we switched to mina sockets.. So I think its safe to close this

        Show
        Norman Maurer added a comment - Never saw a deadlock again after we switched to mina sockets.. So I think its safe to close this

          People

          • Assignee:
            Norman Maurer
            Reporter:
            Stefano Bagnara
          • Votes:
            0 Vote for this issue
            Watchers:
            0 Start watching this issue

            Dates

            • Created:
              Updated:
              Resolved:

              Development