java线上问题排查之rocketmq

Posted 2020-12-31 number7

"NettyClientWorkerThread_1" #43 daemon prio=5 os_prio=0 tid=0x00007f1018010000 nid=0x83 waiting on condition [0x00007f0ff6cb0000]
java.lang.Thread.State: TIMED_WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000a0ea5658> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
at com.aliyun.openservices.shade.com.alibaba.rocketmq.shade.io.netty.util.concurrent.SingleThreadEventExecutor.takeTask(SingleThreadEventExecutor.java:231)
at com.aliyun.openservices.shade.com.alibaba.rocketmq.shade.io.netty.util.concurrent.DefaultEventExecutor.run(DefaultEventExecutor.java:34)
at com.aliyun.openservices.shade.com.alibaba.rocketmq.shade.io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:112)
at java.lang.Thread.run(Thread.java:748)