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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7199) DFSOutputStream should not silently drop data if DataStreamer crashes with an unchecked exception
Date Thu, 06 Nov 2014 11:52:44 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7199?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14200120#comment-14200120
] 

Hudson commented on HDFS-7199:
------------------------------

SUCCESS: Integrated in Hadoop-Yarn-trunk #735 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/735/])
HDFS-7199. DFSOutputStream should not silently drop data if DataStreamer crashes with an unchecked
exception (rushabhs via cmccabe) (cmccabe: rev 56257fab1d5a7f66bebd9149c7df0436c0a57adb)
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSOutputStream.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
CHANGES.txt.  Move HDFS-7199 to branch-2.6 (cmccabe: rev 7b07acb0a51d20550f62ba29bf09120684b4097b)
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt


> DFSOutputStream should not silently drop data if DataStreamer crashes with an unchecked
exception
> -------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-7199
>                 URL: https://issues.apache.org/jira/browse/HDFS-7199
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs-client
>    Affects Versions: 2.5.0
>            Reporter: Jason Lowe
>            Assignee: Rushabh S Shah
>            Priority: Critical
>             Fix For: 2.6.0
>
>         Attachments: HDFS-7199-1.patch, HDFS-7199-WIP.patch, HDFS-7199.patch
>
>
> If the DataStreamer thread encounters a non-I/O exception then it closes the output stream
but does not set lastException.  When the client later calls close on the output stream then
it will see the stream is already closed with lastException == null, mistakently think this
is a redundant close call, and fail to report any error to the client.



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