PigStorage() does not accept Unicode characters in its contructor 

                 Key: PIG-816
                 URL: https://issues.apache.org/jira/browse/PIG-816
             Project: Pig
          Issue Type: Bug
          Components: impl
    Affects Versions: 0.3.0
            Reporter: Viraj Bhat
            Priority: Critical
             Fix For: 0.3.0

Simple Pig script which uses Unicode characters in the PigStorage() constructor 
fails with the following error:

studenttab = LOAD '/user/viraj/studenttab10k' AS (name:chararray, 
X2 = GROUP studenttab by age;
Y2 = FOREACH X2 GENERATE group, COUNT(studenttab);
store Y2 into '/user/viraj/y2' using PigStorage('\u0001');

ERROR org.apache.pig.tools.grunt.GruntParser - ERROR 2997: Unable to recreate 
exception from backend error: org.apache.hadoop.ipc.RemoteException: 
java.io.IOException: java.lang.RuntimeException: org.xml.sax.SAXParseException: 
Character reference "&#1" is an invalid XML character.
Attaching log file.

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