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https://issues.apache.org/jira/browse/HDFS-5257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13805590#comment-13805590
]
Hudson commented on HDFS-5257:
------------------------------
SUCCESS: Integrated in Hadoop-trunk-Commit #4656 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/4656/])
HDFS-5257. addBlock() retry should return LocatedBlock with locations else
client will get AIOBE. Contributed by Vinay. (jing9:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1535811)
* /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/DFSOutputStream.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestAddBlockRetry.java
> addBlock() retry should return LocatedBlock with locations else client will
> get AIOBE
> -------------------------------------------------------------------------------------
>
> Key: HDFS-5257
> URL: https://issues.apache.org/jira/browse/HDFS-5257
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs-client, namenode
> Affects Versions: 2.1.1-beta
> Reporter: Vinay
> Assignee: Vinay
> Priority: Critical
> Fix For: 2.3.0
>
> Attachments: HDFS-5257.patch, HDFS-5257.patch, HDFS-5257.patch,
> HDFS-5257.patch
>
>
> {{addBlock()}} call retry should return the LocatedBlock with locations if
> the block was created in previous call and failover/restart of namenode
> happened.
> otherwise client will get {{ArrayIndexOutOfBoundsException}} while creating
> the block and write will fail.
> {noformat}java.lang.ArrayIndexOutOfBoundsException: 0
> at
> org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.createBlockOutputStream(DFSOutputStream.java:1118)
> at
> org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.nextBlockOutputStream(DFSOutputStream.java:1078)
> at
> org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:511){noformat}
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