Set the hive class path correctly. *Thanks & Regards *
∞ Shashwat Shriparv On Mon, May 13, 2013 at 1:10 PM, gautier vivard <gaut.viv...@gmail.com>wrote: > Hey, > > I'm beginner in the hadoop world, and more specifically in Hive (I work on > hive-0.9.0 on Ubuntu). I work on MapR M3 in standalone mode. I'm training > on hive and have some issues with one query : > > > SELECT year FROM records; > Automatically selecting local only mode for query > Total MapReduce jobs = 1 > Launching Job 1 out of 1 > Num 'java.io.FileNotFoundException"ber of reduce tasks is set to 0 since > there's no reduce operator > Execution log at: > /tmp/mapr/mapr_20130506044545_e2ba972e-84a5-4e68-a33b-580be4a8d866.log > java.io.FileNotFoundException: > /var/mapr/cluster/mapred/jobTracker/staging/mapr406767829/.staging () > at org.apache.hadoop.io.nativeio.NativeIO.chmod(Native Method) > at > org.apache.hadoop.fs.RawLocalFileSystem.setPermission(RawLocalFileSystem.java:518) > at > org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:330) > at org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:189) > at > org.apache.hadoop.mapreduce.JobSubmissionFiles.getStagingDir(JobSubmissionFiles.java:126) > at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:875) > at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:869) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:396) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1126) > at > org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:869) > at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:843) > at org.apache.hadoop.hive.ql.exec.ExecDriver.execute(ExecDriver.java:435) > at org.apache.hadoop.hive.ql.exec.ExecDriver.main(ExecDriver.java:693) > 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.util.RunJar.main(RunJar.java:197) > Job Submission failed with exception > 'java.io.FileNotFoundException(/var/mapr/cluster/mapred/jobTracker/staging/mapr406767829/.staging > ())' > Execution failed with exit status: 2 > Obtaining error information > > Task failed! > Task ID: > Stage-1 > > Logs: > > /tmp/mapr/hive.log > FAILED: Execution Error, return code 2 from > org.apache.hadoop.hive.ql.exec.MapRedTask > > But when I tried : > > > select * from records; > > It works fine. I read that's because there is no reduce tasks in this > query. > Any idea? > > Thank's > > Gautier >
