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Posted to common-issues@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2019/03/13 18:08:00 UTC

[jira] [Created] (HADOOP-16186) NPE in ITestS3AFileSystemContract teardown in DynamoDBMetadataStore.lambda$listChildren

Steve Loughran created HADOOP-16186:
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             Summary: NPE in ITestS3AFileSystemContract teardown in  DynamoDBMetadataStore.lambda$listChildren
                 Key: HADOOP-16186
                 URL: https://issues.apache.org/jira/browse/HADOOP-16186
             Project: Hadoop Common
          Issue Type: Sub-task
          Components: fs/s3
    Affects Versions: 3.3.0
            Reporter: Steve Loughran


Test run options. NPE in test teardown
{code}
-Dparallel-tests -DtestsThreadCount=6 -Ds3guard -Ddynamodb
{code}

If you look at the code, its *exactly* the place fixed in HADOOP-15827, a change which HADOOP-15947 reverted. 

There's clearly some codepath which can surface which is causing failures in some situations, and having multiple patches switching between the && and || operators isn't going to to fix it



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