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https://issues.apache.org/jira/browse/SPARK-20407?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiao Li updated SPARK-20407:
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Fix Version/s: 2.1.1
> ParquetQuerySuite 'Enabling/disabling ignoreCorruptFiles' flaky test
> --------------------------------------------------------------------
>
> Key: SPARK-20407
> URL: https://issues.apache.org/jira/browse/SPARK-20407
> Project: Spark
> Issue Type: Bug
> Components: Tests
> Affects Versions: 2.2.0
> Reporter: Bogdan Raducanu
> Assignee: Bogdan Raducanu
> Fix For: 2.1.1, 2.2.0
>
>
> ParquetQuerySuite test "Enabling/disabling ignoreCorruptFiles" can sometimes
> fail. This is caused by the fact that when one task fails, the driver call
> returns and test code continues, but there might still be tasks running that
> will be killed at the next killing point.
> There are 2 specific issues created by this:
> 1. Files can be closed some time after the test finishes, so
> DebugFilesystem.assertNoOpenStreams fails. One solution for this is to change
> SharedSqlContext and call assertNoOpenStreams inside eventually {}
> 2. ParquetFileReader constructor from apache parquet 1.8.2 can leak a stream
> at line 538. This happens when the next line throws an exception. So, the
> constructor fails and Spark doesn't have any way to close the file.
> This happens in this test because the test deletes the temporary directory at
> the end (but while tasks might still be running). Deleting the directory
> causes the constructor to fail.
> The solution for this could be to Thread.sleep at the end of the test or to
> somehow wait for all tasks to be definitely killed before finishing the test
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