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Date: Wed, 25 Jul 2007 04:43:32 -0700 (PDT)
From: "Devaraj Das (JIRA)" <jira@apache.org>
To: hadoop-dev@lucene.apache.org
Subject: [jira] Updated: (HADOOP-1587) Tasks run by MiniMRCluster don't get
 sysprops from TestCases
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     [ https://issues.apache.org/jira/browse/HADOOP-1587?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Devaraj Das updated HADOOP-1587:
--------------------------------

    Attachment: 1587.patch

Ok the patch fixes the issue by passing the sysprops in the JobConf property mapred.child.java.opts from TestSymLink.

> Tasks run by MiniMRCluster don't get sysprops from TestCases
> ------------------------------------------------------------
>
>                 Key: HADOOP-1587
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1587
>             Project: Hadoop
>          Issue Type: Bug
>          Components: test
>         Environment: unix
>            Reporter: Alejandro Abdelnur
>            Assignee: Devaraj Das
>            Priority: Blocker
>         Attachments: 1587.patch
>
>
> While it seems a general problem it is surfacing in streaming TestSymLink testcase with patch for HADOOP-1558
> The contrib testcases use src/contrib/test/hadoop-site.xml. 
> The property 'mapred.system.dir' is this file is defined as with a variable '${contrib.name}'.
> The src/build/build-contrib.xml ant file sets the sysproperty 'contrib.name' to the name of the contrib component for the JVM running the testcase.
> The problem is that when a testcase uses MiniMRCluster the TaskRunner forks a JVM for the task and in this JVM (which uses the above hadoop-site.xml) the variable 'contrib.name' is undefined.
> If I hardcode 'streaming' in the hadoop-site.xml for the TestSymLink the testcase works fine.

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