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From "ChiaHung Lin (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-495) Resource management
Date Tue, 28 Feb 2012 12:23:48 GMT

    [ https://issues.apache.org/jira/browse/HAMA-495?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13218091#comment-13218091
] 

ChiaHung Lin commented on HAMA-495:
-----------------------------------

Is bsp.monitor.plugins.dir configured pointing to jar file? For example, 
{code}
    <property>
      <name>bsp.monitor.plugins.dir</name>
      <value>/home/UserA/hama-trunk/plugins/jvm-plugin-0.1-SNAPSHOT.jar</value>
    </property>
{code}

If it is the case, then that should be removed. Or configure to point it to directory e.g.
plugins
{code}
    <property>
      <name>bsp.monitor.plugins.dir</name>
      <value>/home/UserA/hama-trunk/plugins</value>
    </property>
{code}

Service will scan plugins directory (File.listFiles()) looking for jar files and loads jar
files to execute the task. Therefore, pointing it to file will throw NPE. 

 
     
                
> Resource management 
> --------------------
>
>                 Key: HAMA-495
>                 URL: https://issues.apache.org/jira/browse/HAMA-495
>             Project: Hama
>          Issue Type: Improvement
>          Components: bsp
>            Reporter: ChiaHung Lin
>            Assignee: ChiaHung Lin
>             Fix For: 0.5.0
>
>         Attachments: HAMA-495.patch
>
>
> HAMA-363 provides a way to access to cluster status. Some additional features, such as
federation, are required so the system can have better coordination, and the master would
have ideas about the whole system.

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