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

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

Sachin Goel created FLINK-2618:
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             Summary: ExternalSortITCase failure
                 Key: FLINK-2618
                 URL: https://issues.apache.org/jira/browse/FLINK-2618
             Project: Flink
          Issue Type: Bug
            Reporter: Sachin Goel


{{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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