Grokbase Groups HBase user June 2009
FAQ
Hey Alexandre,

You should post these questions here:

<http://www.getsatisfaction.com/cloudera/products/cloudera_hadoop_training>

As for the problem, there's a bug in our VM where we don't set
$HADOOP_HOME. Run the following command, then try to run the grep job
again:

export HADOOP_HOME=/usr/lib/hadoop

(You may also want to put this command in ~/.bashrc as well.)

This will be fixed pretty soon. Sorry for the inconvenience.

Alex
On Fri, Jun 12, 2009 at 9:12 AM, Nitay wrote:

Hi Alexandre,

I'd recommend you contact Cloudera directly (info@cloudera.com or
training@cloudera.com). Also you can try the Hadoop list (
core-user@hadoop.apache.org). This type of questions belongs better with
them.

Cheers,
-n

On Fri, Jun 12, 2009 at 8:47 AM, Alexandre Jaquet <alexjaquet@gmail.com
wrote:
Hi,

I just download cloudera training virtual machine and tryed to run the
sample

I'm getting the following exception :

training@training-vm:~/git/pristine-workspace/Hadoop/bin$ hadoop jar
$HADOOP_HOME/hadoop-*-examples.jar grep
java.io.IOException: Error opening job jar: /hadoop-*-examples.jar
at org.apache.hadoop.util.RunJar.main(RunJar.java:90)
at org.apache.hadoop.mapred.JobShell.run(JobShell.java:54)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
at org.apache.hadoop.mapred.JobShell.main(JobShell.java:68)
Caused by: java.util.zip.ZipException: error in opening zip file
at java.util.zip.ZipFile.open(Native Method)
at java.util.zip.ZipFile.<init>(ZipFile.java:114)
at java.util.jar.JarFile.<init>(JarFile.java:133)
at java.util.jar.JarFile.<init>(JarFile.java:70)
at org.apache.hadoop.util.RunJar.main(RunJar.java:88)
... 4 more


I tryed then to see the value of $HADOOP_HOME with echo and I didn't see
any
value.

I begin to search where the root directory of hadoop was but didn't find it
Any idea ?

Thanks !

Alexandre Jaquet

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