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From "Ari Rabkin (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CHUKWA-119) ChunkImpl requires ChukwaAgent class
Date Tue, 14 Apr 2009 07:05:14 GMT

    [ https://issues.apache.org/jira/browse/CHUKWA-119?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12698671#action_12698671
] 

Ari Rabkin commented on CHUKWA-119:
-----------------------------------

Hrm.  I think the right fix is to restructure the code. Suppose we have some static "tags"
variable in ChunkImpl, and have ChukwaAgent set it.  That way, we avoid any dependency of
ChunkImpl on ChukwaAgent.

Thoughts?

> ChunkImpl requires ChukwaAgent class
> ------------------------------------
>
>                 Key: CHUKWA-119
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-119
>             Project: Hadoop Chukwa
>          Issue Type: Bug
>          Components: data collection
>    Affects Versions: 0.1.2
>            Reporter: Jerome Boulon
>            Assignee: Jerome Boulon
>            Priority: Blocker
>             Fix For: 0.1.2
>
>
> If ChukwaAgent class is not available on the collector side, the collector is unable
to read a chunk.
> // code
> ChunkImpl() {
>     this.tags = ChukwaAgent.getTags();
>   }
> // Stacktrace
> Java.lang.NoClassDefFoundError: Could not initialize class org.apache.hadoop.chukwa.datacollection.agent.ChukwaAgent
> 	at org.apache.hadoop.chukwa.ChunkImpl.<init>(ChunkImpl.java:46)
> 	at org.apache.hadoop.chukwa.ChunkImpl.read(ChunkImpl.java:229)
> 	at org.apache.hadoop.chukwa.datacollection.collector.servlet.ServletCollector.accept(ServletCollector.java:140)

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