[jira] [Created] (HBASE-29016) Refactor assembly creation to use only DependencySets and move cached classpath creation to a new module

["Istvan Toth (Jira)" <ji...@apache.org>]

Istvan Toth created HBASE-29016:
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             Summary: Refactor assembly creation to use only DependencySets and move cached classpath creation to a new module
                 Key: HBASE-29016
                 URL: https://issues.apache.org/jira/browse/HBASE-29016
             Project: HBase
          Issue Type: Improvement
          Components: build
            Reporter: Istvan Toth
            Assignee: Istvan Toth


There are a few problem with the current assembly creation:

* The assembly and cached classpath creation is done from the same module, even though they need to include different JARs.

*  To filter out the test jars, the descriptor uses a combination of moduleSets and dependencySets.
* However, the results are less than ideal, as some test-related JARs are still included in the assembly, while some others have multiple versions of the same jar added to the assembly.

Separating the assembly and cached classpath creation lets us build the assembly without the extra test dependencies and duplicate versions in a much simpler and more robust manner.

Relying heavily on the maven dependency mechanism solves the problem of duplicate versions, and not depending on the test-related modules at all solves the problem of lingering test dependencies.



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