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https://issues.apache.org/jira/browse/GEODE-7079?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dick Cavender closed GEODE-7079.
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> NPE Upon Restart When Using Asynchronous Event Distribution & Conflation
> ------------------------------------------------------------------------
>
> Key: GEODE-7079
> URL: https://issues.apache.org/jira/browse/GEODE-7079
> Project: Geode
> Issue Type: Bug
> Components: wan
> Reporter: Juan Ramos
> Assignee: Juan Ramos
> Priority: Major
> Labels: GeodeCommons
> Fix For: 1.10.0
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> The following combination of features cannot be safely configured when using
> pure Geode Java API:
> * Replicated Region.
> * Serial Gateway Sender or Serial Asynchronous Event Queue.
> * Serial Gateway Sender / Serial Asynchronous Event Queue is Persistent.
> * Conflation is Enabled for the Serial Gateway Sender / Serial Asynchronous
> Event Queue.
> The problem is that, after a restart, events left-over in the persistent
> queue begin processing before their source {{Region}} is instantiated,
> causing a {{NullPointerExceptions}} while executing the conflation logic.
> The {{Region}} is only required because internally we need its name, but the
> name itself is already stored within the actual event so it should be safe to
> replace {{gsEvent.getRegion().getFullPath()}} by
> {{gsEvent.getRegionToConflate()}} or {{gsEvent.getRegionPath()}}.
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