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Posted to hdfs-issues@hadoop.apache.org by "Bharath Mundlapudi (JIRA)" <ji...@apache.org> on 2011/06/23 10:55:48 UTC

[jira] [Updated] (HDFS-2065) Fix NPE in DFSClient.getFileChecksum

     [ https://issues.apache.org/jira/browse/HDFS-2065?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bharath Mundlapudi updated HDFS-2065:
-------------------------------------

    Attachment: HDFS-2065-1.patch

Attaching a patch

> 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: Bharath Mundlapudi
>             Fix For: 0.23.0
>
>         Attachments: HDFS-2065-1.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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