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Date: Thu, 4 Jul 2013 06:18:21 +0000 (UTC)
From: "Enis Soztutar (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
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Subject: [jira] [Updated] (HADOOP-9660) [WINDOWS] Powershell / cmd parses
 -Dkey=value from command line as [-Dkey, value] which breaks
 GenericsOptionParser
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     [ https://issues.apache.org/jira/browse/HADOOP-9660?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

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

    Attachment: hadoop-9660-branch1_v3-addendum.patch

Chris notified me that the commit broke branch-1-win since Guava is not there. I had tested this in a different branch close to branch-1-win (which had guava). Attaching an addendum for branch-1-win which replaces usage of Maps api. 
                
> [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-addendum.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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