Kiran, This looks like your HDFS is missing some blocks. Can you run fsck and see if you have missing blocks and if so for what files?
http://hadoop.apache.org/common/docs/r0.17.2/hdfs_user_guide.html#Fsck Alex On Tue, Oct 4, 2011 at 7:53 AM, kiranprasad <[email protected]>wrote: > I am getting the below exception when trying to execute PIG latin script. > > Failed! > > Failed Jobs: > JobId Alias Feature Message Outputs > job_201110042009_0005 A MAP_ONLY Message: Job failed! > hdfs://10.0.0.61/tmp/temp1751671187/tmp-592386019, > > Input(s): > Failed to read data from "/data/arpumsisdn.txt" > > Output(s): > Failed to produce result in "hdfs:// > 10.0.0.61/tmp/temp1751671187/tmp-592386019" > > Counters: > Total records written : 0 > Total bytes written : 0 > Spillable Memory Manager spill count : 0 > Total bags proactively spilled: 0 > Total records proactively spilled: 0 > > Job DAG: > job_201110042009_0005 > > > 2011-10-04 22:13:53,736 [main] INFO > > org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher > - Failed! > 2011-10-04 22:13:53,745 [main] ERROR org.apache.pig.tools.grunt.Grunt - > ERROR 1066: Unable to open iterator for alias A. Backend error : Could not > obtain block: blk_-8354424441116992221_1060 file=/data/arpumsisdn.txt > Details at logfile: /home/kiranprasad.g/pig-0.8.1/pig_1317746514798.log > > > > Regards > Kiran.G
