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https://issues.apache.org/jira/browse/GEODE-1006?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bruce Schuchardt resolved GEODE-1006.
-------------------------------------
       Resolution: Fixed
    Fix Version/s: 1.0.0-incubating.M2

Fixed in e40962cf6.  A test of the fix is in 330ba74..bd3ac70.

JGroupsMessenger now checks to see if the current thread is alerting and, if 
so, sets the NO_FC flag on JGroups messages.  This tells FlowControl to 
immediately pass the message down the protocol stack.

> View Creator thread blocked by JGroups FlowControl when alerting
> ----------------------------------------------------------------
>
>                 Key: GEODE-1006
>                 URL: https://issues.apache.org/jira/browse/GEODE-1006
>             Project: Geode
>          Issue Type: Bug
>          Components: membership
>            Reporter: Bruce Schuchardt
>            Assignee: Bruce Schuchardt
>             Fix For: 1.0.0-incubating.M2
>
>
> An alert message may be issued during view formation.  If an out-of-process 
> alert listener has been receiving a lot of UDP messages it is possible for 
> the thread forming the new (the View Creator thread) to become blocked in 
> JGroups FlowControl.  This keeps the new view from being transmitted to other 
> members and from being installed locally, essentially deadlocking the thread.



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