[moving to user@hive] Can you send us the details from task logs?
Thanks, Aniket On Fri, Jan 6, 2012 at 2:53 AM, Bhavesh Shah <bhavesh25s...@gmail.com>wrote: > Hello, > > hive> FROM ( > > FROM subset > > MAP subset.patient_mrn, subset.encounter_date > > USING 'q1.txt' > > AS mp1, mp2 > > CLUSTER BY mp1) map_output > > INSERT OVERWRITE TABLE t3 > > REDUCE map_output.mp1 > > USING 'retrieve' > > AS reducef1; > Total MapReduce jobs = 1 > Launching Job 1 out of 1 > Number of reduce tasks not specified. Estimated from input data size: 1 > In order to change the average load for a reducer (in bytes): > set hive.exec.reducers.bytes.per.reducer=<number> > In order to limit the maximum number of reducers: > set hive.exec.reducers.max=<number> > In order to set a constant number of reducers: > set mapred.reduce.tasks=<number> > Starting Job = job_201112281627_0100, Tracking URL = > http://localhost:50030/jobdetails.jsp?jobid=job_201112281627_0100 > Kill Command = /home/hadoop/hadoop-0.20.2-cdh3u2//bin/hadoop job > -Dmapred.job.tracker=localhost:54311 -kill job_201112281627_0100 > 2011-12-31 04:34:52,208 Stage-1 map = 0%, reduce = 0% > 2011-12-31 04:35:52,939 Stage-1 map = 0%, reduce = 0% > 2011-12-31 04:36:34,097 Stage-1 map = 100%, reduce = 100% > Ended Job = job_201112281627_0100 with errors > FAILED: Execution Error, return code 2 from > org.apache.hadoop.hive.ql.exec.MapRedTask > hive> > > In 'q1.txt' I have written query in Hive which returns 2 columns > and > In 'retrieve' I have wriiten a java code which takes 2 input and display > the 1 column > > Is there any mistake in query. > > > Pls suggest me some solution. > > > -- > Regards, > Bhavesh Shah > -- "...:::Aniket:::... Quetzalco@tl"