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https://issues.apache.org/jira/browse/HADOOP-5164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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George Porter updated HADOOP-5164:
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Attachment: HADOOP-5164.2.patch
This updated patch includes an additional test that needed to be modified to
directly call setupCluster(true, null).
> Subclasses of ClusterMapReduceTestCase can't easily add new configuration
> parameters
> ------------------------------------------------------------------------------------
>
> Key: HADOOP-5164
> URL: https://issues.apache.org/jira/browse/HADOOP-5164
> Project: Hadoop Core
> Issue Type: Bug
> Components: test
> Reporter: George Porter
> Attachments: HADOOP-5164.1.patch, HADOOP-5164.2.patch,
> HADOOP-5164.patch
>
>
> Currently there is not a clean way for subclasses of ClusterMapReduceTestCase
> to add to the JobConf used to start the cluster daemons.
> The startCluster() method does take a Properties object that is added to the
> JobConf used to the start the daemons. However, startCluster() is called
> from JUnit inside the setUp() method, which sets this parameter to be null.
> If you try to override setUp() in a subclass of ClusterMapReduceTestCase,
> then you won't be able to invoke the TestCase.setUp() ancestor without
> calling ClusterMapReduceTestCase's setUp() (which will pass in the null
> parameter). On the other hand, if you just call startCluster() within your
> test method, then you would be starting up a cluster that was already started.
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