[jira] [Created] (PIG-4047) Replace pig-withouthadoop jar with pig-core jar and pig core dependencies

["fang fang chen (JIRA)" <ji...@apache.org>]

fang fang chen created PIG-4047:
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             Summary: Replace pig-withouthadoop jar with pig-core jar and pig core dependencies 
                 Key: PIG-4047
                 URL: https://issues.apache.org/jira/browse/PIG-4047
             Project: Pig
          Issue Type: Improvement
          Components: build
    Affects Versions: 0.12.0
            Reporter: fang fang chen
            Assignee: fang fang chen


pig-withouthadoop jar is packaging pig core and pig core dependencies. But this jar should be removed due to following items:
1. the name is confusing. User did not know what the jar is used for at a glance.
2. it is not absolutely clear for user what the core dependencies are.
3. it is hard to maintain dependencies, like dependencies version update. Maybe user want to try different version avro without repackaging.

It is better to not use pig-withouthadoop jar, instead:
1. devided without hadoop jar into pig core and pig core dependencies.
2. save jars in 1# in lib directory
3. in pig script, always add all the jars in lib directory into classpath and add pig core jar into classpath.
I used pig in this way since version 0.8.1 via launching pig grunt. No issue found yet.

Current branch-0.13 is packaging following jars into pig-withouhadoop jar:
             <include name="antlr-runtime-${antlr.version}.jar"/>
             <include name="ST4-${stringtemplate.version}.jar"/>
             <include name="jline-${jline.version}.jar"/>
             <include name="jackson-mapper-asl-${jackson.version}.jar"/>
             <include name="jackson-core-asl-${jackson.version}.jar"/>
             <include name="joda-time-${joda-time.version}.jar"/>
             <include name="guava-${guava.version}.jar"/>
             <include name="automaton-${automaton.version}.jar"/>
             <include name="jansi-${jansi.version}.jar"/>
             <include name="avro-${avro.version}.jar"/>
             <include name="avro-mapred-${avro.version}.jar"/>
             <include name="trevni-core-${avro.version}.jar"/>
            <include name="trevni-avro-${avro.version}.jar"/>
            <include name="snappy-java-${snappy. version}.jar"/>

We could save upper jars and pig-core jar into lib directory.





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