Ryan McMahon created GEODE-5495:
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Summary: Double decrement of HAEventWrapper ref count due to race
between QRM and DestroyRQ
Key: GEODE-5495
URL: https://issues.apache.org/jira/browse/GEODE-5495
Project: Geode
Issue Type: Bug
Components: client queues
Reporter: Ryan McMahon
Fix For: 1.8.0
When a client disconnects due to network issues e.g. SocketTimeoutExceptions we
will destroy the HARegionQueue for that client. As part of that process, we
decrement the reference count on the HAEventWrappers used by that client in the
HAContainer.
However, we may still be receiving queue removal messages for that client which
results in a decrement of those same HAEventWrappers. This double decrementing
can result in premature removal of the HAEventWrapper from the HAContainer even
though other clients still need it.
We need to prevent this double decrementing and premature removal, perhaps
through synchronization between the destroyRQ() logic and queue removal
messages.
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