Hi Noah,
After removing that and running, I get this error:
varunc@varunc4-virtual-machine:~$ time /usr/local/hadoop/bin/hadoop jar
hadoop*examples*.jar wordcount /mnt/ceph/wc /mnt/ceph/op2
Warning: $HADOOP_HOME is deprecated.
13/03/19 20:35:03 INFO ceph.CephFileSystem: selectDataPool
path=ceph://null/app/hadoop/tmp/mapred/staging/varunc/.staging/job_201303192034_0001/job.jar
pool:repl=data:2 wanted=3
13/03/19 20:35:03 INFO mapred.JobClient: Cleaning up the staging area
ceph://null/app/hadoop/tmp/mapred/staging/varunc/.staging/job_201303192034_0001
13/03/19 20:35:03 ERROR security.UserGroupInformation:
PriviledgedActionException as:varunc
cause:org.apache.hadoop.mapreduce.lib.input.InvalidInputException: Input
path does not exist: ceph://null/mnt/ceph/wc
org.apache.hadoop.mapreduce.lib.input.InvalidInputException: Input path
does not exist: ceph://null/mnt/ceph/wc
at
org.apache.hadoop.mapreduce.lib.input.FileInputFormat.listStatus(FileInputFormat.java:235)
at
org.apache.hadoop.mapreduce.lib.input.FileInputFormat.getSplits(FileInputFormat.java:252)
at
org.apache.hadoop.mapred.JobClient.writeNewSplits(JobClient.java:962)
at
org.apache.hadoop.mapred.JobClient.writeSplits(JobClient.java:979)
at org.apache.hadoop.mapred.JobClient.access$600(JobClient.java:174)
at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:897)
at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:850)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:415)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121)
at
org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:850)
at org.apache.hadoop.mapreduce.Job.submit(Job.java:500)
at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:530)
at org.apache.hadoop.examples.WordCount.main(WordCount.java:67)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at
org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68)
at
org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139)
at
org.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:64)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.apache.hadoop.util.RunJar.main(RunJar.java:156)
Any ways to remove this error?
On Tue, Mar 19, 2013 at 7:39 PM, Noah Watkins <[email protected]> wrote:
> Hi Varun,
>
> Try removing this configuration option:
>
> > <property>
> > <name>ceph.root.dir</name>
> > <value>/mnt/ceph</value>
> > </property>
>
> Hadoop running on Ceph uses the libcephfs user-space library to talk
> directly to the file system, as opposed to running through the kernel or
> FUSE client. This setting is which directory within the Ceph file system to
> use as a root. It defaults to "/".
>
> Thanks,
> -Noah
>
>
Thanks
Varun
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