Koji Noguchi created PIG-5020:
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Summary: Give file location for loadcaster related warning and
errors
Key: PIG-5020
URL: https://issues.apache.org/jira/browse/PIG-5020
Project: Pig
Issue Type: Improvement
Reporter: Koji Noguchi
Assignee: Koji Noguchi
Loadcaster can be null due to bug like PIG-4974, or due to valid reasons when
bytearray is returned by UDF or bytearray coming from union-ed relation with
two different loadcasters.
And when casting fails at runtime, it's sometimes not straightforward to find
the corresponding typecast that's failing in your script.
{noformat}
Caused by: org.apache.pig.backend.executionengine.ExecException: ERROR 1075:
Received a bytearray from the UDF or Union from two different Loaders. Cannot
determine how to convert the bytearray to string.
at
org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POCast.getNextString(POCast.java:1122)
{noformat}
Maybe we can add source location when possible.
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