huijunw commented on issue #2907: stuck stmgr due to zk client destructor URL: https://github.com/apache/incubator-heron/issues/2907#issuecomment-391554957 @srkukarni another thought: for the pcqueue, https://github.com/apache/incubator-heron/blob/0.17.8/heron/common/src/cpp/threads/pcqueue.h#L36, when the pcqueue is destructed, the mutex and cond_ behavior is undefined. but pcqueue.enqueue is called after ~PCQueue(). what do you think?
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