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From Wenlong Pu <pwl1...@gmail.com>
Subject Error while starting the collector
Date Thu, 17 Nov 2011 05:23:56 GMT
Hello,

I am installing the chukwa , and the agent is runing ok.
when I tring to run the  collector by using *"${CHUKWA_HOME}/bin/chukwa
collector"*
I get the problem as follows and  the terminal gets stuck itself


My hadoop is running ok. datanode  namenode tasktracer jobtracker all are
ok.



Thanks!


*Terminal  lines*

[hadoop@master chukwa-0.4.0]$
2011-11-17 13:12:38.022::INFO:  Logging to STDERR via
org.mortbay.log.StdErrLog
2011-11-17 13:12:38.117::INFO:  jetty-6.1.11

*collector.log   *

2011-11-17 13:12:38,212 INFO main ChukwaConfiguration - chukwaConf is
/usr/local/chukwa-0.4.0/bin/../conf
2011-11-17 13:12:38,882 INFO main root - initing servletCollector
2011-11-17 13:12:38,890 INFO main PipelineStageWriter - using pipelined
writers, pipe length is 2
2011-11-17 13:12:38,900 INFO Thread-6 SocketTeeWriter - listen thread
started
2011-11-17 13:12:38,903 INFO main SeqFileWriter - rotateInterval is 300000
2011-11-17 13:12:38,903 INFO main SeqFileWriter - outputDir is /chukwa/logs/
2011-11-17 13:12:38,903 INFO main SeqFileWriter - fsname is hdfs://
192.168.1.120:54310
2011-11-17 13:12:38,904 INFO main SeqFileWriter - filesystem type from
core-default.xml is org.apache.hadoop.hdfs.DistributedFileSystem
2011-11-17 13:12:39,099 ERROR main SeqFileWriter - can't connect to HDFS,
trying default file system instead (likely to be local)
java.lang.NoClassDefFoundError:
org/apache/commons/configuration/Configuration
        at
org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.<init>(DefaultMetricsSystem.java:37)
        at
org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.<clinit>(DefaultMetricsSystem.java:34)
        at
org.apache.hadoop.security.UgiInstrumentation.create(UgiInstrumentation.java:51)
        at
org.apache.hadoop.security.UserGroupInformation.initialize(UserGroupInformation.java:196)
        at
org.apache.hadoop.security.UserGroupInformation.ensureInitialized(UserGroupInformation.java:159)
        at
org.apache.hadoop.security.UserGroupInformation.isSecurityEnabled(UserGroupInformation.java:216)
        at
org.apache.hadoop.security.UserGroupInformation.getLoginUser(UserGroupInformation.java:409)
        at
org.apache.hadoop.security.UserGroupInformation.getCurrentUser(UserGroupInformation.java:395)
        at
org.apache.hadoop.fs.FileSystem$Cache$Key.<init>(FileSystem.java:1418)
        at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1319)
        at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:226)
        at
org.apache.hadoop.chukwa.datacollection.writer.SeqFileWriter.init(SeqFileWriter.java:123)
        at
org.apache.hadoop.chukwa.datacollection.writer.PipelineStageWriter.init(PipelineStageWriter.java:88)
        at
org.apache.hadoop.chukwa.datacollection.collector.servlet.ServletCollector.init(ServletCollector.java:112)
        at
org.mortbay.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:433)
        at
org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java:256)
        at
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39)
        at
org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:616)
        at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
        at
org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:513)
        at
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39)
        at
org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
        at org.mortbay.jetty.Server.doStart(Server.java:222)
        at
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39)
        at
org.apache.hadoop.chukwa.datacollection.collector.CollectorStub.main(CollectorStub.java:121)
Caused by: java.lang.ClassNotFoundException:
org.apache.commons.configuration.Configuration
        at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
        ... 25 more
*And this is my core-site.xml of my hadoop*

<configuration>
  <property>
        <name>fs.default.name</name>
        <value>hdfs://192.168.1.120:54310</value>
  </property>


*
----------------------------------------------------------------------------
*
**
*Best Regards´╝î*

*Wenlong Pu*
**
**
*Email:PWL1225@GMAIL.COM*

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