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 <t...@cloudera.com> 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 > <saptarshi.g...@gmail.com> 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? >> >
