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  1. Pig
  2. PIG-313

Error handling aggregate of a computation

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 0.2.0
    • Fix Version/s: 0.9.0
    • Component/s: None
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      Query which fails:

      a = load ':INPATH:/singlefile/studenttab10k' as (name:chararray, age:int, gpa:double);
      b = group a by name;
      c = foreach b generate group, SUM(a.age*a.gpa);                            
      store c into ':OUTPATH:';\,
      

      Error output:

      2008-07-14 16:34:08,684 [main] INFO org.apache.pig.backend.hadoop.executionengine.HExecutionEngine - Connecting to hadoop file system at: testhost.com:8020
      2008-07-14 16:34:08,741 [main] WARN org.apache.hadoop.fs.FileSystem - "testhost.com:8020" is a deprecated filesystem name. Use "hdfs://testhost:8020/" instead.
      2008-07-14 16:34:08,995 [main] INFO org.apache.pig.backend.hadoop.executionengine.HExecutionEngine - Connecting to map-reduce job tracker at: testhost.com:50020
      2008-07-14 16:34:09,251 [main] WARN org.apache.hadoop.fs.FileSystem - "testhost.com:8020" is a deprecated filesystem name. Use "hdfs://testhost:8020/" instead.
      2008-07-14 16:34:09,559 [main] ERROR org.apache.pig.PigServer - Cannot evaluate output type of Mul/Div Operator
      2008-07-14 16:34:09,559 [main] ERROR org.apache.pig.PigServer - Problem resolving LOForEach schema
      2008-07-14 16:34:09,559 [main] ERROR org.apache.pig.PigServer - Severe problem found during validation org.apache.pig.impl.plan.PlanValidationException: An unexpected exception caused the validation to stop
      2008-07-14 16:34:09,560 [main] ERROR org.apache.pig.tools.grunt.Grunt - java.io.IOException: Unable to store for alias: c
      2008-07-14 16:34:09,560 [main] ERROR org.apache.pig.Main - java.io.IOException: Unable to store for alias: c

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            • Assignee:
              alangates Alan Gates
              Reporter:
              pkamath Pradeep Kamath
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              Dates

              • Created:
                Updated:
                Resolved: