Robert Joseph Evans created STORM-244:
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Summary: DRPC timeout can return null instead of throwing an
exception
Key: STORM-244
URL: https://issues.apache.org/jira/browse/STORM-244
Project: Apache Storm (Incubating)
Issue Type: Bug
Reporter: Robert Joseph Evans
In DPRC there is a race condition when the cleanup method is called between
releasing the sem, cleaning up the atoms and the blocked thread fetching the
result. It looks like it is possible on a timeout that the sem will be
released but by the time the thread blocked on the sem actually wakes up the
result may have been removed, causing a null to be returned instead of an
exception being thrown.
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