[infinispan-issues] [JBoss JIRA] (ISPN-2353) Allow KOut/VOut emitting Mapper where VOut is null

[Vladimir Blagojevic (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-2353?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12722713#comment-12722713 ] 

Vladimir Blagojevic commented on ISPN-2353:
-------------------------------------------

False alarm http://lists.jboss.org/pipermail/infinispan-dev/2012-September/011358.html
                
> Allow KOut/VOut emitting Mapper where VOut is null
> --------------------------------------------------
>
>                 Key: ISPN-2353
>                 URL: https://issues.jboss.org/browse/ISPN-2353
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Distributed Execution and Map/Reduce
>    Affects Versions: 5.2.0.Alpha4
>            Reporter: Vladimir Blagojevic
>            Assignee: Vladimir Blagojevic
>             Fix For: 5.2.0.Beta1, 5.2.0.Final
>
>
> In some cases Mapper being executed on remote nodes might produce intermediate KOut/VOut pairs where VOut is null. Should allow/account for that possibility? Currently such tasks fail with NPE. 

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