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From "Tsz Wo Nicholas Sze (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-7383) DataNode.requestShortCircuitFdsForRead may throw NullPointerException
Date Sun, 09 Nov 2014 01:27:33 GMT

     [ https://issues.apache.org/jira/browse/HDFS-7383?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo Nicholas Sze updated HDFS-7383:
--------------------------------------
    Attachment: h7383_20141108.patch

h7383_20141108.patch: checks null.

> 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
>         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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