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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (CHUKWA-133) Demux crash with exception for using metrics class
Date Tue, 14 Apr 2009 20:29:15 GMT

     [ https://issues.apache.org/jira/browse/CHUKWA-133?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eric Yang reassigned CHUKWA-133:
--------------------------------

    Assignee: Jerome Boulon  (was: Eric Yang)

Once CHUKWA-119 is fixed.  This should be fixed.

> Demux crash with exception for using metrics class
> --------------------------------------------------
>
>                 Key: CHUKWA-133
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-133
>             Project: Hadoop Chukwa
>          Issue Type: Bug
>          Components: Data Processors
>    Affects Versions: 0.1.2
>         Environment: Redhat EL 5.1, Java 6
>            Reporter: Eric Yang
>            Assignee: Jerome Boulon
>            Priority: Blocker
>
> Looks like the demux job was unable to initialize MetricsContext class properly.  This
is linked to ChukImpl using Chukwa Agent to setTags.  CHUKWA-119.
> This exception was thrown during demux:
> 14-Apr-2009 20:11:58 (30sec) java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
> 	at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:80)
> 	at org.apache.hadoop.mapred.SequenceFileRecordReader.createValue(SequenceFileRecordReader.java:71)
> 	at org.apache.hadoop.mapred.MapTask$TrackedRecordReader.createValue(MapTask.java:157)
> 	at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:43)
> 	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:227)
> 	at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2206)
> Caused by: java.lang.reflect.InvocationTargetException
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
> 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
> 	at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
> 	at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:78)
> 	... 5 more
> Caused by: java.lang.NoClassDefFoundError: org/apache/hadoop/metrics/util/MetricsRegistry
> 	at org.apache.hadoop.chukwa.datacollection.agent.metrics.AgentMetrics.(AgentMetrics.java:15)
> 	at org.apache.hadoop.chukwa.datacollection.agent.metrics.AgentMetrics.(AgentMetrics.java:13)
> 	at org.apache.hadoop.chukwa.datacollection.agent.ChukwaAgent.(ChukwaAgent.java:45)
> 	at org.apache.hadoop.chukwa.ChunkImpl.(ChunkImpl.java:46)
> 	... 10 more
> Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.metrics.util.MetricsRegistry
> 	at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
> 	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:276)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
> 	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
> 	... 14 more

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