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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