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  1. Apache Storm
  2. STORM-3162

Race condition at updateHeartbeatCache

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      Description

      This is discovered during testing for STORM-3133. Travis-CI log can be found here.

      Specifically, updateHeartbeatCache can be invoked both by Nimbus (at `Nimbus#updateHeartBeats`) and by Supervisor (at `Nimbubs#updateCachedHeartbeatsFromWorker` at `Nimbus#updateCachedHeartbeatsFromSupervisor`), causing ConcurrentModificationException.

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            • Assignee:
              revans2 Robert Joseph Evans
              Reporter:
              zhengdai Zhengdai Hu
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