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Chukwa >> mail # user >> Error while starting the collector


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Re: Error while starting the collector
Are you sure you started HDFS already? Is the namenode, datanode and
tasktraker all started. Can you store/read files from HDFS before starting
chukwa?
On Mon, Nov 14, 2011 at 3:26 PM, Mohammad Tariq <[EMAIL PROTECTED]> wrote:

> One more strange thing which I have noticed is that if am removing
> "initial_adaptors", I am able to start the agent. But if the
> "initial_adaptors" file is present inside "conf", I am getting
> following errors -
> tariq@ubuntu:~/chukwa-0.4.0$ bin/chukwa agent
> tariq@ubuntu:~/chukwa-0.4.0$ java.io.IOException: Cannot run program
> "/usr/bin/sar": java.io.IOException: error=2, No such file or
> directory
>        at java.lang.ProcessBuilder.start(ProcessBuilder.java:460)
>        at java.lang.Runtime.exec(Runtime.java:593)
>        at java.lang.Runtime.exec(Runtime.java:431)
>        at java.lang.Runtime.exec(Runtime.java:328)
>        at
> org.apache.hadoop.chukwa.inputtools.plugin.ExecPlugin.execute(ExecPlugin.java:66)
>        at
> org.apache.hadoop.chukwa.datacollection.adaptor.ExecAdaptor$RunToolTask.run(ExecAdaptor.java:68)
>        at java.util.TimerThread.mainLoop(Timer.java:512)
>        at java.util.TimerThread.run(Timer.java:462)
> Caused by: java.io.IOException: java.io.IOException: error=2, No such
> file or directory
>        at java.lang.UNIXProcess.<init>(UNIXProcess.java:148)
>        at java.lang.ProcessImpl.start(ProcessImpl.java:65)
>        at java.lang.ProcessBuilder.start(ProcessBuilder.java:453)
>        ... 7 more
> java.io.IOException: Cannot run program "/usr/bin/iostat":
> java.io.IOException: error=2, No such file or directory
>        at java.lang.ProcessBuilder.start(ProcessBuilder.java:460)
>        at java.lang.Runtime.exec(Runtime.java:593)
>        at java.lang.Runtime.exec(Runtime.java:431)
>        at java.lang.Runtime.exec(Runtime.java:328)
>        at
> org.apache.hadoop.chukwa.inputtools.plugin.ExecPlugin.execute(ExecPlugin.java:66)
>        at
> org.apache.hadoop.chukwa.datacollection.adaptor.ExecAdaptor$RunToolTask.run(ExecAdaptor.java:68)
>        at java.util.TimerThread.mainLoop(Timer.java:512)
>        at java.util.TimerThread.run(Timer.java:462)
> Caused by: java.io.IOException: java.io.IOException: error=2, No such
> file or directory
>        at java.lang.UNIXProcess.<init>(UNIXProcess.java:148)
>        at java.lang.ProcessImpl.start(ProcessImpl.java:65)
>        at java.lang.ProcessBuilder.start(ProcessBuilder.java:453)
>        ... 7 more
>
> Regards,
>     Mohammad Tariq
>
>
>
> On Mon, Nov 14, 2011 at 6:49 PM, TARIQ <[EMAIL PROTECTED]> wrote:
> > Hello Ahmed,
> >    Thanks for your valuable reply. Actually, earlier it was
> > hdfs://localhost:9000...but it was not working so I made it 9999..But
> > 9999 is also not working..Here is my core-site.xml file -
> > <configuration>
> >      <property>
> >          <name>dfs.replication</name>
> >          <value>1</value>
> >      </property>
> >
> >       <property>
> >          <name>dfs.data.dir</name>
> >          <value>/home/tariq/hdfs/data</value>
> >      </property>
> >
> >      <property>
> >          <name>dfs.name.dir</name>
> >          <value>/home/tariq/hdfs/name</value>
> >      </property>
> > </configuration>
> >
> > And hdfs-site.xml -
> > <configuration>
> >    <property>
> >          <name>fs.default.name</name>
> >          <value>hdfs://localhost:9000</value>
> >    </property>
> >    <property>
> >   <name>hadoop.tmp.dir</name>
> >   <value>file:///home/tariq/hadoop_tmp</value>
> >    </property>
> > </configuration>
> >
> > Regards,
> >     Mohammad Tariq
> >
> >
> >
> > On Mon, Nov 14, 2011 at 5:21 PM, Ahmed Fathalla [via Apache Chukwa]
> > <[hidden email]> wrote:
> >> I think the problem you have is in this line
> >>    <name>writer.hdfs.filesystem</name>
> >>    <value>hdfs://localhost:9999/</value>
> >>    <description>HDFS to dump to</description>
> >>  </property>
> >>
> >>
> >> Are you sure you've got HDFS running on port 9999 on your local machine?
> >> On Mon, Nov 14, 2011 at 1:18 PM, Mohammad Tariq <[hidden email]> wrote:

Ahmed Fathalla