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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7383) DataNode.requestShortCircuitFdsForRead may throw NullPointerException
Date Mon, 10 Nov 2014 02:03:34 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7383?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14204235#comment-14204235
] 

Hudson commented on HDFS-7383:
------------------------------

SUCCESS: Integrated in Hadoop-trunk-Commit #6497 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/6497/])
HDFS-7383. DataNode.requestShortCircuitFdsForRead may throw NullPointerException. Contributed
by Tsz Wo Nicholas Sze. (sureshms: rev 4ddc5cad0a4175f7f5ef9504a7365601dc7e63b4)
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetCache.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DatanodeUtil.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt


> DataNode.requestShortCircuitFdsForRead may throw NullPointerException
> ---------------------------------------------------------------------
>
>                 Key: HDFS-7383
>                 URL: https://issues.apache.org/jira/browse/HDFS-7383
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Tsz Wo Nicholas Sze
>             Fix For: 2.7.0
>
>         Attachments: h7383_20141108.patch
>
>
> {noformat}
> java.lang.NullPointerException
> 	at org.apache.hadoop.hdfs.server.datanode.DataNode.requestShortCircuitFdsForRead(DataNode.java:1525)
> 	at org.apache.hadoop.hdfs.server.datanode.DataXceiver.requestShortCircuitFds(DataXceiver.java:286)
> 	at org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opRequestShortCircuitFds(Receiver.java:185)
> 	at org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:89)
> 	at org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:234)
> 	at java.lang.Thread.run(Thread.java:745)
> {noformat}



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