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From "Daryn Sharp (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8140) dfs -getmerge should process its argments better
Date Tue, 06 Mar 2012 16:42:58 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8140?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13223397#comment-13223397

Daryn Sharp commented on HADOOP-8140:

Patch is unrelated to RPC benchmark failure of:

Caused by: java.lang.RuntimeException: IPC server unable to read call parameters: readObject
can't find class java.lang.String
> dfs -getmerge  should process its argments better 
> --------------------------------------------------
>                 Key: HADOOP-8140
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8140
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: arkady borkovsky
>            Assignee: Daryn Sharp
>         Attachments: HADOOP-8140-2.patch, HADOOP-8140-3.patch, HADOOP-8140.patch, Hadoop-1004_1.patch
> The command only works if its argument is a directory
> If the argement is a file or a wildcard, it does nothing without any message.
> If not arguments are given, the command fails with a stack dump.
> The improved version should:
> -- produce an error message in case it cannot perform meaningful action (no argument,
or no matching files)
> -- copy the files specified by a wildcard expresstion.  (A single file is special case
of this).

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