Lorand Bendig created PIG-3858:
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             Summary: PigLogger/PigStatusReporter is not set for fetch tasks
                 Key: PIG-3858
                 URL: https://issues.apache.org/jira/browse/PIG-3858
             Project: Pig
          Issue Type: Bug
            Reporter: Lorand Bendig
            Assignee: Lorand Bendig


PigLogger initialization is missing which leads to NPE if counters are accessed 
during a fetch tasks. Some queries to reproduce this issue:

1.
{code}
set opt.fetch true;
A = load ...
B = foreach A generate TOBAG(TOTUPLE(null));
dump B;
{code}
-> NPE when PigWarning.SKIP_UDF_CALL_FOR_NULL is incremented

2.
{code}
set opt.fetch true;
set pig.udf.profile true;

A = load ...
B = foreach A generate [any UDF]
{code}
-> NPE when POUserFunc.INVOCATION_COUNTER is incremented



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