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https://issues.apache.org/jira/browse/S4-74?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthieu Morel updated S4-74:
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Fix Version/s: 0.5
> NullPointerException on TCPEmitter.onChange()
> ----------------------------------------------
>
> Key: S4-74
> URL: https://issues.apache.org/jira/browse/S4-74
> Project: Apache S4
> Issue Type: Bug
> Affects Versions: 0.5
> Reporter: Daniel Gómez Ferro
> Assignee: Matthieu Morel
> Fix For: 0.5
>
>
> TCPEmitter is registering itself as a listener in its constructor:
> {{this.topology.addListener(this);}}
> The topology is triggering a refresh before the TCPEmitter is fully
> constructed, so TCPEmitter.partitionNodeMap is still null during onChange()
> execution.
> TCPEmitter shouldn't register itself as a listener until it's fully built,
> see http://www.ibm.com/developerworks/java/library/j-jtp0618/index.html#2
> (Don't publish the "this" reference during construction)
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