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From "Robert Metzger (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-4878) ReduceTaskExternalITCase.testMultiLevelMergeCombiningReduceTask test instable
Date Fri, 21 Oct 2016 09:16:58 GMT
Robert Metzger created FLINK-4878:

             Summary: ReduceTaskExternalITCase.testMultiLevelMergeCombiningReduceTask test
                 Key: FLINK-4878
                 URL: https://issues.apache.org/jira/browse/FLINK-4878
             Project: Flink
          Issue Type: Bug
          Components: Local Runtime
    Affects Versions: 1.2.0
            Reporter: Robert Metzger

The {{ReduceTaskExternalITCase.testMultiLevelMergeCombiningReduceTask}} test failed with the
following error

 Time elapsed: 0.233 sec  <<< FAILURE!
java.lang.AssertionError: Invoke method caused exception.
	at org.junit.Assert.fail(Assert.java:88)
	at org.apache.flink.runtime.operators.ReduceTaskExternalITCase.testMultiLevelMergeCombiningReduceTask(ReduceTaskExternalITCase.java:193)

Here is the log https://s3.amazonaws.com/archive.travis-ci.org/jobs/169181202/log.txt

Sadly, the test is not logging the exception at INFO level, so we can not really understand
what's going on.

I'll push a commit improving the logging.

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