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https://issues.apache.org/jira/browse/CHUKWA-119?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12698131#action_12698131
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Eric Yang commented on CHUKWA-119:
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The source of the problem is caused by the new agentMetrics. It prevents
ChukwaAgent from initialize properly in Collector's vm. We should use hadoop
MetricsContext to calculate chukwa metrics. It is better to send the stats as
chucks since it's light weight and reuse our own code.
> ChunkImpl requires ChukwaAgent class
> ------------------------------------
>
> Key: CHUKWA-119
> URL: https://issues.apache.org/jira/browse/CHUKWA-119
> Project: Hadoop Chukwa
> Issue Type: Bug
> Reporter: Jerome Boulon
> Assignee: Jerome Boulon
> Priority: Blocker
>
> 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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