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https://issues.apache.org/jira/browse/HADOOP-15827?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16642283#comment-16642283
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Gabor Bota edited comment on HADOOP-15827 at 10/8/18 6:36 PM:
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I'm not really sure if this is happening in the return. Based on your stack
[~ste...@apache.org],
https://github.com/apache/hadoop/blob/046b8768af8a07a9e10ce43f538d6ac16e7fa5f3/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/s3guard/DynamoDBMetadataStore.java#L644
and
https://github.com/apache/hadoop/blob/046b8768af8a07a9e10ce43f538d6ac16e7fa5f3/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/s3guard/DynamoDBMetadataStore.java#L616
lines are mentioned, maybe the issue is in line 644.
But line 644 is just a comment. How can it be?
I've run all the tests with the mvn params you've provided and the only error
was {{testDestroyNoBucket}} which is known.
was (Author: gabor.bota):
I'm not really sure if this is happening in the return. Based on your stack
[~ste...@apache.org],
https://github.com/apache/hadoop/blob/046b8768af8a07a9e10ce43f538d6ac16e7fa5f3/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/s3guard/DynamoDBMetadataStore.java#L644
and
https://github.com/apache/hadoop/blob/046b8768af8a07a9e10ce43f538d6ac16e7fa5f3/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/s3guard/DynamoDBMetadataStore.java#L616
lines are mentioned, maybe the issue is in line 644.
> NPE in DynamoDBMetadataStore.lambda$listChildren for root + auth s3guard
> ------------------------------------------------------------------------
>
> Key: HADOOP-15827
> URL: https://issues.apache.org/jira/browse/HADOOP-15827
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.3.0
> Reporter: Steve Loughran
> Assignee: Gabor Bota
> Priority: Blocker
>
> NPE in a test run of {{-Dparallel-tests -DtestsThreadCount=6 -Ds3guard
> -Ddynamodb -Dauthoritative}}
> {code}
> [ERROR] testLSRootDir(org.apache.hadoop.fs.s3a.ITestS3AFileSystemContract)
> Time elapsed: 42.822 s <<< ERROR!
> java.lang.NullPointerException
> {code}
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