PJ Fanning created HADOOP-19076:
-----------------------------------

             Summary: move jersey code in hadoop-common jar to a new 
hadoop-jersey1-common jar
                 Key: HADOOP-19076
                 URL: https://issues.apache.org/jira/browse/HADOOP-19076
             Project: Hadoop Common
          Issue Type: Task
            Reporter: PJ Fanning


Hadoop's Jersey dependencies are causing us real trouble.

I'm wondering if it would be a good idea to take the jersey and javax.ws code 
out of hadoop-common and move it into a dedicated hadoop-jersey1-common jar. We 
could later create a hadoop-jersey2-common (or hadoop-jersey3-common - because 
Jersey 3 is out and maybe better to skip to Jersey 2). 

hadoop-jersey1-common and hadoop-jersey2-common would have equivalent classes - 
just depend on different versions of Jersey.

Example code:
* 
https://github.com/apache/hadoop/blob/12498b35bbb754225b0b2ca90d5ad4f5cf628d56/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/http/HttpServer2.java#L1030
* 
https://github.com/apache/hadoop/blob/12498b35bbb754225b0b2ca90d5ad4f5cf628d56/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/HttpExceptionUtils.java#L89

Hadoop modules that need access to the common jersey code could start with 
depending on hadoop-jersey1-common but later be refactored to use 
hadoop-jersey2-common. We could do this on a module by module basis (one a 
time).

hadoop-common jar would have its jersey and jsr311-api dependencies removed.

Wdyt [~slfan1989], [~steve_l], [~ayushsaxena] ?



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