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https://issues.apache.org/jira/browse/MAPREDUCE-770?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12732764#action_12732764
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Dick King commented on MAPREDUCE-770:
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ant clean does not solve the problem. Some of the junk files are left on HDFS .
> org.apache.hadoop.tools.TestCopyFiles may leave junk files when an assertion
> fails
> ----------------------------------------------------------------------------------
>
> Key: MAPREDUCE-770
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-770
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: test
> Reporter: Dick King
> Priority: Minor
>
> In most of the testXxxYyyZzz methods, the code runs:
> preliminaries
> ToolRunner( ..., new String[] { local and DFS filenames and more filenames
> });
> assertMaybe("this result stank", conditions);
> assertMaybe("this other result stank", conditions);
> deldir(deletee's name);
> deldir(second deletee's name);
> The assertMaybe's throw AssertionFailedError . That's what they DO.
> Shouldn't this stuff be protected with a try ... finally construct?
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