Need better error message for MalFormedProbVecException
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Key: PIG-1662
URL: https://issues.apache.org/jira/browse/PIG-1662
Project: Pig
Issue Type: Bug
Affects Versions: 0.7.0
Reporter: Richard Ding
Assignee: Richard Ding
Fix For: 0.8.0
Instead the generic error message:
Backend error message
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Caused by:
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners.MalFormedProbVecException:
ERROR 2122: Sum of probabilities should be one
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners.DiscreteProbabilitySampleGenerator.<init>(DiscreteProbabilitySampleGenerator.java:56)
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners.WeightedRangePartitioner.setConf(WeightedRangePartitioner.java:128)
... 10 more
it can easily print out the content of the malformed probability vector.
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