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https://issues.apache.org/jira/browse/HDFS-3394?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13279701#comment-13279701
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Uma Maheswara Rao G commented on HDFS-3394:
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+1 for the patch.
> Do not use generic in INodeFile.getLastBlock()
> ----------------------------------------------
>
> Key: HDFS-3394
> URL: https://issues.apache.org/jira/browse/HDFS-3394
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: name-node
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Priority: Minor
> Attachments: h3394_20120510.patch
>
>
> As shown in HDFS-3385, the ClassCastException check in
> INodeFile.getLastBlock() is useless since generic type information is only
> available in compile-time but not run-time.
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