[jira] [Commented] (FLINK-2618) ExternalSortITCase failure

["Sachin Goel (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-2618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14985648#comment-14985648 ] 

Sachin Goel commented on FLINK-2618:
------------------------------------

Haven't observed this in a long while. 

> ExternalSortITCase failure
> --------------------------
>
>                 Key: FLINK-2618
>                 URL: https://issues.apache.org/jira/browse/FLINK-2618
>             Project: Flink
>          Issue Type: Bug
>            Reporter: Sachin Goel
>              Labels: test-stability
>
> {{ExternalSortITCase.testSpillingSortWithIntermediateMerge}} fails with the exception:
> {code}
> org.apache.flink.types.NullKeyFieldException: Field 0 is null, but expected to hold a key.
> 	at org.apache.flink.api.common.typeutils.record.RecordComparator.setReference(RecordComparator.java:212)
> 	at org.apache.flink.api.common.typeutils.record.RecordComparator.setReference(RecordComparator.java:40)
> 	at org.apache.flink.runtime.operators.sort.MergeIterator$HeadStream.nextHead(MergeIterator.java:127)
> 	at org.apache.flink.runtime.operators.sort.MergeIterator.next(MergeIterator.java:88)
> 	at org.apache.flink.runtime.operators.sort.MergeIterator.next(MergeIterator.java:69)
> 	at org.apache.flink.runtime.operators.sort.ExternalSortITCase.testSpillingSortWithIntermediateMerge(ExternalSortITCase.java:301)
> {code}
> Here is the build log: https://s3.amazonaws.com/archive.travis-ci.org/jobs/78579607/log.txt



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