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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-9660) [WINDOWS] Powershell / cmd parses -Dkey=value from command line as [-Dkey, value] which breaks GenericsOptionParser
Date Thu, 20 Jun 2013 22:31:22 GMT
Enis Soztutar created HADOOP-9660:
-------------------------------------

             Summary: [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, 2.1.0-beta


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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