Worked on the apache/hive repository to optimize the packaging process by excluding test jars from the lib directory, addressing the requirements of Hive work item HIVE-29582. This targeted improvement streamlined the build pipeline, resulting in leaner final artifacts and reducing unnecessary dependencies in production deployments. The solution was implemented using Java and XML, with a focus on build and dependency management best practices. By refining the packaging configuration, the work contributed to faster build times and more efficient artifact generation. The depth of the change reflects a precise understanding of build system internals and the impact of dependency management on project maintainability.