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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-14204) S3A multipart commit failing, "UnsupportedOperationException at java.util.Collections$UnmodifiableList.sort"
Date Mon, 20 Mar 2017 19:34:42 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-14204?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Steve Loughran updated HADOOP-14204:
------------------------------------
    Target Version/s: 2.8.1
              Status: Patch Available  (was: Open)

> S3A multipart commit failing, "UnsupportedOperationException at java.util.Collections$UnmodifiableList.sort"
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-14204
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14204
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs/s3
>    Affects Versions: 2.8.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Critical
>         Attachments: HADOOP-14204-branch-2.8-001.patch
>
>
> Stack trace seen trying to commit a multipart upload, as the EMR code (which takes a
{{List<String> etags}} is trying to sort that list directly, which it can't do if the
list doesn't want to be sorted.
> later versions of the SDK clone the list before sorting.
> We need to make sure that the list passed in can be sorted.



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