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From "Gabor Bota (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-16207) intermittent failure of S3A test ITestDirectoryCommitMRJob
Date Mon, 01 Apr 2019 14:00:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-16207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16806778#comment-16806778
] 

Gabor Bota commented on HADOOP-16207:
-------------------------------------

I think this failure is not intermittent, It's happening all the time for me if I run parallel
tests. This is actually a returning error when running the tests for HADOOP-16210, so I will
refer to this ticket that we know about this and this is not something that the guava update
causes.

> intermittent failure of S3A test ITestDirectoryCommitMRJob
> ----------------------------------------------------------
>
>                 Key: HADOOP-16207
>                 URL: https://issues.apache.org/jira/browse/HADOOP-16207
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3, test
>    Affects Versions: 3.3.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Critical
>
> Reported failure of {{ITestDirectoryCommitMRJob}} in validation runs of HADOOP-16186;
assertIsDirectory with s3guard enabled and a parallel test run: Path "is recorded as deleted
by S3Guard"
> {code}
>     waitForConsistency();
>     assertIsDirectory(outputPath) /* here */
> {code}
> The file is there but there's a tombstone. Possibilities
> * some race condition with another test
> * tombstones aren't timing out
> * committers aren't creating that base dir in a way which cleans up S3Guard's tombstones.

> Remember: we do have to delete that dest dir before the committer runs unless overwrite==true,
so at the start of the run there will be a tombstone. It should be overwritten by a success.



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