Thank's for your response.
I'm really a beginner, so I don't really understand what you mean by :
"correctly"


2013/5/13 shashwat shriparv <dwivedishash...@gmail.com>

> 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
>>
>
>

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