NullPointerException when I have multiple python udfs
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Key: PIG-2404
URL: https://issues.apache.org/jira/browse/PIG-2404
Project: Pig
Issue Type: Bug
Affects Versions: 0.8.1, 0.9.1
Reporter: Vivek Padmanabhan
When I have multiple python udfs registered, the script fails at compile phase
while trying to get the udf ouputschema.
{code}
register 'a.py' using org.apache.pig.scripting.jython.JythonScriptEngine as
a_func;
register 'b.py' using org.apache.pig.scripting.jython.JythonScriptEngine as
b_func;
a = load 'i1' as (f1:chararray);
b = foreach a generate a_func.helloworld(), b_func.square(3);
dump b;
{code}
a.py
{code}
@outputSchema("word:chararray")
def helloworld():
return 'Hello, World'
{code}
b.py
{code}
@outputSchemaFunction("squareSchema")
def square(num):
return ((num)*(num))
{code}
Moreover , in the log we can see duplicate and incorrect registration of udfs
which I believe the cause for the script failure.
INFO org.apache.pig.scripting.jython.JythonScriptEngine - Register scripting
UDF: a_func.helloworld
INFO org.apache.pig.scripting.jython.JythonScriptEngine - Register scripting
UDF: b_func.square
INFO org.apache.pig.scripting.jython.JythonScriptEngine - Register scripting
UDF: b_func.helloworld
This issue is observed in 0.9,0.8 and in trunk also.
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