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https://issues.apache.org/jira/browse/SPARK-20285?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shixiong Zhu updated SPARK-20285:
---------------------------------
Summary: Flaky test:
pyspark.streaming.tests.BasicOperationTests.test_cogroup (was: Flaky test: )
> 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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