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https://issues.apache.org/jira/browse/MYFACES-4647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17797186#comment-17797186
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Thomas Andraschko commented on MYFACES-4647:
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plz also for master (5.0)
> PushContextImpl send - NPE when no channel found for user
> ---------------------------------------------------------
>
> Key: MYFACES-4647
> URL: https://issues.apache.org/jira/browse/MYFACES-4647
> Project: MyFaces Core
> Issue Type: Task
> Affects Versions: 4.0.0, 4.0.1
> Reporter: Milan Siebenbürger
> Priority: Minor
>
> When trying to send a push message to a user who has already destroyed his
> web socket connection, PushContextImpl.send throws NPE
> java.lang.NullPointerException: Cannot invoke "java.util.Set.size()" because
> "channelTokenSet" is null
> at
> org.apache.myfaces.push.cdi.PushContextImpl.send(PushContextImpl.java:134)
> at
> org.apache.myfaces.push.cdi.PushContextImpl.send(PushContextImpl.java:122)
> Method should be null safe, just to continue with next user identification.
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