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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-9660) [WINDOWS] Powershell / cmd parses -Dkey=value from command line as [-Dkey, value] which breaks GenericsOptionParser
Date Tue, 02 Jul 2013 23:12:22 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-9660?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Enis Soztutar updated HADOOP-9660:
----------------------------------

       Resolution: Fixed
    Fix Version/s:     (was: 2.1.0-beta)
                   2.3.0
                   1-win
     Hadoop Flags: Reviewed
           Status: Resolved  (was: Patch Available)

Thanks for the reviews. 
Committed this to trunk, branch-2 and branch-1-win. Only question is whether 2.1.0-beta should
contain it or not.
I've set the fix version to 2.3.0 as per recent discussion thread on common-dev.  
                
> [WINDOWS] Powershell / cmd parses -Dkey=value from command line as [-Dkey, value] which
breaks GenericsOptionParser
> -------------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-9660
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9660
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: scripts, util
>            Reporter: Enis Soztutar
>            Assignee: Enis Soztutar
>             Fix For: 3.0.0, 1-win, 2.3.0
>
>         Attachments: hadoop-9660-branch1_v1.patch, hadoop-9660-branch1_v2.patch, hadoop-9660-branch1_v3.patch,
hadoop-9660-branch2_v1.patch, hadoop-9660-branch2_v2.patch, hadoop-9660-branch2_v3.patch
>
>
> When parsing parameters to a class implementing Tool, and using ToolRunner, we can pass

> {code}
> bin/hadoop <tool_class> -Dkey=value 
> {code}
> However, powershell parses the '=' sign itself, and sends it to  java as ["-Dkey", "value"]
which breaks GenericOptionsParser. 
> Using "-Dkey=value" or '-Dkey=value' does not fix the problem. The only workaround seems
to trick PS by using: 
> '"-Dkey=value"' (single + double quote)
> In cmd, "-Dkey=value" works, but not '"-Dkey=value"'. 
> http://stackoverflow.com/questions/4940375/how-do-i-pass-an-equal-sign-when-calling-a-batch-script-in-powershell

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