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Hadoop, mail # user - On CDH2, (Cloudera EC2) No valid local directories in property: mapred.local.dir


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Re: On CDH2, (Cloudera EC2) No valid local directories in property: mapred.local.dir
Saptarshi Guha 2010-02-26, 06:02
Hello,
I fixed this by running more than >=2 slaves.
I was testing with 1 when this error occurred.

Regards
Saptarshi

On Tue, Feb 23, 2010 at 2:57 PM, Todd Lipcon <[EMAIL PROTECTED]> wrote:
> Hi Saptarshi,
>
> Can you please ssh into the JobTracker node and check that this
> directory is mounted, writable by the hadoop user, and not full?
>
> -Todd
>
> On Fri, Feb 19, 2010 at 2:13 PM, Saptarshi Guha
> <[EMAIL PROTECTED]> wrote:
>> Hello,
>> Not sure if i should post this here or on Cloudera's message board,
>> but here goes.
>> When I run EC2 using the latest CDH2 and Hadoop 0.20 (by settiing the
>> env variables are hadoop-ec2),
>> and launch a job
>> hadoop jar ...
>>
>> I get the following error
>>
>>
>> 10/02/19 17:04:55 WARN mapred.JobClient: Use GenericOptionsParser for
>> parsing the arguments. Applications should implement Tool for the
>> same.
>> org.apache.hadoop.ipc.RemoteException: java.io.IOException: No valid
>> local directories in property: mapred.local.dir
>>        at org.apache.hadoop.conf.Configuration.getLocalPath(Configuration.java:975)
>>        at org.apache.hadoop.mapred.JobConf.getLocalPath(JobConf.java:279)
>>        at org.apache.hadoop.mapred.JobInProgress.<init>(JobInProgress.java:256)
>>        at org.apache.hadoop.mapred.JobInProgress.<init>(JobInProgress.java:240)
>>        at org.apache.hadoop.mapred.JobTracker.submitJob(JobTracker.java:3026)
>>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>        at java.lang.reflect.Method.invoke(Method.java:597)
>>        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:508)
>>        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:966)
>>        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:962)
>>        at java.security.AccessController.doPrivileged(Native Method)
>>        at javax.security.auth.Subject.doAs(Subject.java:396)
>>        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:960)
>>
>>        at org.apache.hadoop.ipc.Client.call(Client.java:740)
>>        at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:220)
>>        at org.apache.hadoop.mapred.$Proxy0.submitJob(Unknown Source)
>>        at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:841)
>>        at org.apache.hadoop.mapreduce.Job.submit(Job.java:432)
>>
>>        at org.godhuli.f.RHMR.submitAndMonitorJob(RHMR.java:195)
>>
>> but the value  of mapred.local.dir is "/mnt/hadoop/mapred/local"
>>
>> Any ideas?
>>
>