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From "Erik Krogen (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HDFS-13400) WebHDFS append returned stream has incorrectly set position
Date Thu, 05 Apr 2018 16:49:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-13400?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16427233#comment-16427233
] 

Erik Krogen edited comment on HDFS-13400 at 4/5/18 4:48 PM:
------------------------------------------------------------

Yup, it's just the {{getPos()}} that messes up. Data is still correctly appended to the end
of the file (if you comment out the failing assert, the test succeeds).


was (Author: xkrogen):
Yup, it's just the {{getPos()}} that messes up. Data is still correctly appended to the end
of the file. 

> WebHDFS append returned stream has incorrectly set position
> -----------------------------------------------------------
>
>                 Key: HDFS-13400
>                 URL: https://issues.apache.org/jira/browse/HDFS-13400
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: webhdfs
>    Affects Versions: 2.9.0, 2.8.3, 2.7.5, 3.0.1
>            Reporter: Erik Krogen
>            Priority: Minor
>         Attachments: HDFS-13400-unit-test.patch
>
>
> If you call {{getPos()}} on an {{FSDataOutputStream}} returned by {{WebHdfsFileSystem#append}},
it will initially return 0, even if the file already had content. This method should return
the initial length of the file before appending.



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