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https://issues.apache.org/jira/browse/HDFS-6071?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13925775#comment-13925775
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Hudson commented on HDFS-6071:
------------------------------
SUCCESS: Integrated in Hadoop-Mapreduce-trunk #1722 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1722/])
HDFS-6071. BlockReaderLocal does not return -1 on EOF when doing a zero-length
read on a short file. (cmccabe) (cmccabe:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1575797)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/BlockReaderLocal.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/DFSTestUtil.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestRead.java
> BlockReaderLocal doesn't return -1 on EOF when doing a zero-length read on a
> short file
> ---------------------------------------------------------------------------------------
>
> Key: HDFS-6071
> URL: https://issues.apache.org/jira/browse/HDFS-6071
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.4.0
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Fix For: 2.4.0
>
> Attachments: HDFS-6071.001.patch, HDFS-6071.002.patch
>
>
> BlockReaderLocal doesn't return -1 on EOF when doing a zero-length read on a
> short file. Specifically, if the file is shorter than the readahead buffer,
> or if the position is nearer to the end than the length of the readahead
> buffer, this may happen. This is mainly a concern because libhdfs relies on
> this to determine whether it should use direct reads.
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