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https://issues.apache.org/jira/browse/HADOOP-3506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12626589#action_12626589
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Hudson commented on HADOOP-3506:
--------------------------------
Integrated in Hadoop-trunk #586 (See
[http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/586/])
> Occasional NPE in Jets3tFileSystemStore
> ---------------------------------------
>
> Key: HADOOP-3506
> URL: https://issues.apache.org/jira/browse/HADOOP-3506
> Project: Hadoop Core
> Issue Type: Bug
> Components: fs/s3
> Affects Versions: 0.17.0
> Reporter: Robert
> Assignee: Tom White
> Fix For: 0.19.0
>
> Attachments: hadoop-3506.patch
>
>
> In extraordinary circumstances (eg. S3 outages), calling S3FileSystem
> functions will throw NullPointerExceptions when trying to read from the
> filesystem. I've traced this down to calls to Jets3tFileSystemStore.get().
> Both get() functions catch an S3ServiceException, and check its error code
> using a string comparison. However, the underlying libs3t library will
> sometimes produce an exception with a null error code string. This results in
> an NPE that propagates all the way to the S3FileSystem, and to the caller.
> To fix this, Jets3tFileSystemStore lines 196 and 212 should be changed from:
> bq. if (e.getS3ErrorCode().equals("NoSuchKey")) {
> to:
> bq. if ("NoSuchKey".equals(e.getS3ErrorCode())) {
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