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https://issues.apache.org/jira/browse/GEODE-5495?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ryan McMahon reassigned GEODE-5495:
-----------------------------------
Assignee: Ryan McMahon
> 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
> Assignee: Ryan McMahon
> Priority: Major
> 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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