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Posted to issues@systemml.apache.org by "Glenn Weidner (JIRA)" <ji...@apache.org> on 2017/03/02 18:24:45 UTC

[jira] [Updated] (SYSTEMML-1131) NPE in executeRemoteSparkParFor

     [ https://issues.apache.org/jira/browse/SYSTEMML-1131?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Glenn Weidner updated SYSTEMML-1131:
------------------------------------
    Fix Version/s:     (was: SystemML 1.0)
                   SystemML 0.12

> NPE in executeRemoteSparkParFor
> -------------------------------
>
>                 Key: SYSTEMML-1131
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-1131
>             Project: SystemML
>          Issue Type: Bug
>            Reporter: Felix Schüler
>            Assignee: Felix Schüler
>             Fix For: SystemML 0.12
>
>
> The method ParForProgramBlock.releaseForcedRecompile(long tid) calls recompileProgramBlockHierarchy2Forced with execution type (et) null. This leads to a NullPointerException. 
> I haven't fully figured out under which circumstances this occurs but it happens when calling an external function inside a forced parfor_spark. 
> The ParForProgramBlock.executeRemoteSparkParFor method sets the flagForced to true which then in turn calls the above method with et==null.



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