five111 opened a new issue #2445:
URL: https://github.com/apache/servicecomb-java-chassis/issues/2445
servicecomb-java-chassis版本2.1.5
业务突然中断 无法进行 分析后发现线程处于阻塞休眠状态
部分日志如下
"temp_event_thread" #209640 prio=5 os_prio=0 tid=0x00007f2a58006800
nid=0xc385 waiting on condition [0x00007f2ab4af7000]
java.lang.Thread.State: TIMED_WAITING (sleeping)
at java.lang.Thread.sleep(Native Method)
at java.lang.Thread.sleep(Thread.java:340)
at java.util.concurrent.TimeUnit.sleep(TimeUnit.java:386)
at
com.huawei.smartcare.netview.pms.hprestate.appmanage.AppProcessThread$ReportAppStatusEvent.doEvent(AppProcessThread.java:343)
at
com.huawei.smartcare.netview.pms.hprestate.comm.timer.BaseEvent$InternalThd.run(BaseEvent.java:143)
at java.lang.Thread.run(Thread.java:748)
"IPC Parameter Sending Thread #7925" #209635 daemon prio=5 os_prio=0
tid=0x00007f29e4134000 nid=0xc31e waiting on condition [0x00007f2ab43f4000]
java.lang.Thread.State: TIMED_WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000adbc1348> (a
java.util.concurrent.SynchronousQueue$TransferStack)
at
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
at
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
at
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
at
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
"dynamic timer" #34448 prio=5 os_prio=0 tid=0x00007f2984037000 nid=0xf47c
waiting on condition [0x00007f2a896f7000]
java.lang.Thread.State: TIMED_WAITING (sleeping)
at java.lang.Thread.sleep(Native Method)
at
com.huawei.smartcare.netview.pms.hprestate.comm.thread.ThreadUtil.sleep(ThreadUtil.java:36)
at
com.huawei.smartcare.netview.pms.hprestate.comm.timer.DynamicTimerThread.execute(DynamicTimerThread.java:56)
at
com.huawei.smartcare.netview.pms.hprestate.comm.thread.LoopThread.run(LoopThread.java:27)
at java.lang.Thread.run(Thread.java:748)
跟踪源码发现以下代码
第33行是否会造成此现象？
另外 41行的excute方法出现特殊状况时，如阻塞 会导致countDown一直执行不到从而一直休眠吗
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