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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7199) DFSOutputStream can silently drop data if DataStreamer crashes with a non-I/O exception
Date Tue, 04 Nov 2014 22:08:36 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7199?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14196933#comment-14196933

Hadoop QA commented on HDFS-7199:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  against trunk revision 1eed102.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

      {color:red}-1 javac{color}.  The applied patch generated 1224 javac compiler warnings
(more than the trunk's current 1223 warnings).

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-hdfs-project/hadoop-hdfs:


                                      The following test timeouts occurred in hadoop-hdfs-project/hadoop-hdfs:


    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/8640//testReport/
Javac warnings: https://builds.apache.org/job/PreCommit-HDFS-Build/8640//artifact/patchprocess/diffJavacWarnings.txt
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/8640//console

This message is automatically generated.

> DFSOutputStream can silently drop data if DataStreamer crashes with a non-I/O 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
>         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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