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From "Hudson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2065) Fix NPE in DFSClient.getFileChecksum
Date Tue, 01 Nov 2011 13:22:34 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13141160#comment-13141160
] 

Hudson commented on HDFS-2065:
------------------------------

Integrated in Hadoop-Mapreduce-trunk #884 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/884/])
    HDFS-2065. Add null checks in DFSClient.getFileChecksum(..).  Contributed by Uma Maheswara
Rao G

szetszwo : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1195731
Files : 
* /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/DFSClient.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDistributedFileSystem.java

                
> Fix NPE in DFSClient.getFileChecksum
> ------------------------------------
>
>                 Key: HDFS-2065
>                 URL: https://issues.apache.org/jira/browse/HDFS-2065
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 0.23.0
>            Reporter: Bharath Mundlapudi
>            Assignee: Uma Maheswara Rao G
>             Fix For: 0.20.205.1, 0.20.206.0, 0.23.0, 0.24.0
>
>         Attachments: HDFS-2065-1.patch, HDFS-2065-20.205Security.patch, HDFS-2065-20.205Security.patch,
HDFS-2065.patch
>
>
> The following code can throw NPE if callGetBlockLocations returns null.
> If server returns null 
> {code}
>     List<LocatedBlock> locatedblocks
>         = callGetBlockLocations(namenode, src, 0, Long.MAX_VALUE).getLocatedBlocks();
> {code}
> The right fix for this is server should throw right exception.

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