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Date: Sat, 14 Jul 2012 11:41:35 +0000 (UTC)
From: "Hudson (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <1455163599.52432.1342266095306.JavaMail.jiratomcat@issues-vm>
Subject: [jira] [Commented] (HDFS-470) libhdfs should handle 0-length reads
 from FSInputStream correctly
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    [ https://issues.apache.org/jira/browse/HDFS-470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13414351#comment-13414351 ] 

Hudson commented on HDFS-470:
-----------------------------

Integrated in Hadoop-Hdfs-trunk #1103 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/1103/])
    HDFS-470. libhdfs should handle 0-length reads from FSInputStream correctly. Contributed by Colin Patrick McCabe (Revision 1361446)

     Result = FAILURE
eli : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1361446
Files : 
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/native/hdfs.c
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/native/hdfs.h

                
> libhdfs should handle 0-length reads from FSInputStream correctly
> -----------------------------------------------------------------
>
>                 Key: HDFS-470
>                 URL: https://issues.apache.org/jira/browse/HDFS-470
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Pete Wyckoff
>            Assignee: Colin Patrick McCabe
>            Priority: Minor
>             Fix For: 2.0.1-alpha
>
>         Attachments: HDFS-470.001.patch, HDFS-470.002.patch
>
>
> libhdfs changes Java read semantics to posix semantics. As such, if Hadoop ever returns 0 bytes read, libhdfs should return -1 and set errno = EINTER.

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