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From "Shixiong Zhu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-20285) Flaky test: pyspark.streaming.tests.BasicOperationTests.test_cogroup
Date Mon, 10 Apr 2017 19:57:41 GMT

    [ https://issues.apache.org/jira/browse/SPARK-20285?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15963422#comment-15963422
] 

Shixiong Zhu commented on SPARK-20285:
--------------------------------------

https://github.com/apache/spark/pull/17597

> Flaky test: pyspark.streaming.tests.BasicOperationTests.test_cogroup
> --------------------------------------------------------------------
>
>                 Key: SPARK-20285
>                 URL: https://issues.apache.org/jira/browse/SPARK-20285
>             Project: Spark
>          Issue Type: Bug
>          Components: Tests
>    Affects Versions: 2.2.0
>            Reporter: Shixiong Zhu
>            Assignee: Shixiong Zhu
>            Priority: Minor
>
> Saw the following failure locally:
> {code}
> Traceback (most recent call last):
>   File "/home/jenkins/workspace/python/pyspark/streaming/tests.py", line 351, in test_cogroup
>     self._test_func(input, func, expected, sort=True, input2=input2)
>   File "/home/jenkins/workspace/python/pyspark/streaming/tests.py", line 162, in _test_func
>     self.assertEqual(expected, result)
> AssertionError: Lists differ: [[(1, ([1], [2])), (2, ([1], [... != []
> First list contains 3 additional elements.
> First extra element 0:
> [(1, ([1], [2])), (2, ([1], [])), (3, ([1], []))]
> + []
> - [[(1, ([1], [2])), (2, ([1], [])), (3, ([1], []))],
> -  [(1, ([1, 1, 1], [])), (2, ([1], [])), (4, ([], [1]))],
> -  [('', ([1, 1], [1, 2])), ('a', ([1, 1], [1, 1])), ('b', ([1], [1]))]]
> {code}
> It also happened on Jenkins: http://spark-tests.appspot.com/builds/spark-branch-2.1-test-sbt-hadoop-2.7/120



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