[jira] [Commented] (FLINK-5585) NullPointer Exception in JobManager.updateAccumulators

["Dave Marion (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-5585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15831844#comment-15831844 ] 

Dave Marion commented on FLINK-5585:
------------------------------------

It appears that an error serializing a custom accumulator in the task manager's heartbeat to the job manager caused this error.

> NullPointer Exception in JobManager.updateAccumulators
> ------------------------------------------------------
>
>                 Key: FLINK-5585
>                 URL: https://issues.apache.org/jira/browse/FLINK-5585
>             Project: Flink
>          Issue Type: Bug
>          Components: JobManager
>    Affects Versions: 1.2.0, 1.1.4
>            Reporter: Stephan Ewen
>            Assignee: Stephan Ewen
>             Fix For: 1.2.0, 1.3.0, 1.1.5
>
>
> {code}
> NullPointerException
> at JobManager$$updateAccumulators$1.apply(JobManager.scala:1790)
> at JobManager$$updateAccumulators$1.apply(JobManager.scala:1788)
> at scala.collection.mutable.ResizableArray$class.forEach(ArrayBuffer.scala:48)
> at scala.collection.mutable.ArrayBuffer.forEach(ArrayBuffer.scala:48)
> at org.apache.flink.runtime.jobmanager.JobManager.org$apache$flink$runtime$jobmanager$JobManager$$updateAccumulators(JobManager.scala:1788)
> at org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1.applyOrElse(JobManager.scala:967)
> at scala.runtime.AbstractPartialFunction.apply(AbstractPartialFunction.scala:36)
> at org.apache.flink.runtime.LeaderSessionMassageFilter$$anonfun$receive$1.applyOrEslse(LeaderSessionMessageFilter.scala:44)
> at scala.runtime.AbstractPartialFunction.apply(AbstractPartialFunction.scala:36)
> at org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:33)
> at org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:28)
> at scala.PartialFunction$class.applyOrElse(PartialFunction.scala:123)
> at org.apache.flink.runtime.LogMesages$$anon$1.applyOrElse(LogMessages.scala:28)
> {code}



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