Question

看到非常奇怪的行为。我的代码运行良好，但不确定发生了什么，方法调用其他方法，但其他方法没有被调用（我看不到其他方法的第一行中的日志）

"jaxws-engine-1-thread-2" id=447 idx=0x73c tid=4031 prio=5 alive, parked, native_blocked, daemon
    at jrockit/vm/Locks.park0(J)V(Native Method)
    at jrockit/vm/Locks.park(Locks.java:2230)
    at sun/misc/Unsafe.park(ZJ)V(Native Method)
    at java/util/concurrent/locks/LockSupport.parkNanos(LockSupport.java:196)
    at java/util/concurrent/SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424)
    at java/util/concurrent/SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323)
    at java/util/concurrent/SynchronousQueue.poll(SynchronousQueue.java:874)
    at java/util/concurrent/ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:955)
    at java/util/concurrent/ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:917)
    at java/lang/Thread.run(Thread.java:682)
    at jrockit/vm/RNI.c2java(JJJJJ)V(Native Method)
    -- end of trace

代码 -

  public static void startMicroSessionTimer(TimerName timerName, Data Data) {
        logger.debug("Starting a micro-timer for timer name: " + timerName);
        //Start a micro timer to process the soap response in worker thread
        SipApplicationSession applicationSession = Util.getAppSession((String)Data.get(DataAttribute.ID));
        Util. AbcTimer (applicationSession, 1L, timerName.getTimerName());
  }


public static void AbcTimer(SipApplicationSession appSession,
            long timeInMillies, String timerName) {

        logger.debug("Inside AbcTimer”);
        //Some Logic
}

日志 -

16 May 2018 09:13:07,506 [jaxws-engine-1-thread-12] DEBUG -----SOME LOGS…..
16 May 2018 09:13:07,506 [jaxws-engine-1-thread-12] DEBUG [AbcUtils] [ODhlNjQ0ZjAzMTMzN2U5MGNhMTE2MTgxOTg2MTdmYjA.] Starting a micro-timer for timer name: HAHAHA

无法在线程jaxws-engine-1-thread-12的上一行之后看到任何日志。根据日志，这个日志Inside AbcTimer应该在调用方法即AbcTimer的开始时出现。没有发生异常。

我已经采用了上面发布的ThreadDump。

不确定，但认为这是机器特定问题。也谷歌它，并看到这种类型的问题也发生在其他人身上，但我没有得到解决方案。

使用以下JRocket版本

java version "1.6.0_141"
Java(TM) SE Runtime Environment (build 1.6.0_141-b12)
Oracle JRockit(R) (build R28.3.13-15-173128-1.6.0_141-20161219-1845-linux-x86_64, compiled mode)

JRocket：线程卡在jrockit / vm / Locks.park0

0 个答案: