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From "Pradeep Kamath (JIRA)" <j...@apache.org>
Subject [jira] Created: (PIG-313) Error handling aggregate of a computation
Date Tue, 15 Jul 2008 00:21:31 GMT
Error handling aggregate of a computation
-----------------------------------------

                 Key: PIG-313
                 URL: https://issues.apache.org/jira/browse/PIG-313
             Project: Pig
          Issue Type: Bug
    Affects Versions: types_branch
            Reporter: Pradeep Kamath
             Fix For: types_branch


Query which fails:

{code}
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:';\,
{code}

Error output:
{quote}
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
{quote}

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