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https://issues.apache.org/jira/browse/HDFS-2564?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13153330#comment-13153330
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Hari Mankude commented on HDFS-2564:
------------------------------------
{quote}
Why not just remove the catch clause entirely from refreshNamenodes? Ie
no need to create a new exception of the same type
{quote}
done. good catch.
{quote}
Why the new null checks for curBlock and descriptors, found a case where
they can be null?
{quote}
compiler warning about null ptr deref.
{quote}
The formatting of getRpcServerAddress should match the previous method (of
the same name)
{quote}
done
> Cleanup unnecessary exceptions thrown and unnecessary casts
> -----------------------------------------------------------
>
> Key: HDFS-2564
> URL: https://issues.apache.org/jira/browse/HDFS-2564
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: data-node, hdfs client, name-node
> Affects Versions: 0.24.0
> Reporter: Hari Mankude
> Assignee: Hari Mankude
> Priority: Minor
> Fix For: 0.24.0
>
> Attachments: HDFS-2564-1.txt, hadoop-2564.trunk.patch,
> hadoop-2564.trunk.patch
>
>
> Cleaning up some of the java files with unnecessary exceptions and casts.
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