Worked on stabilizing the geotools/geotools repository during a HANA database upgrade by addressing test fragility in the geospatial data processing suite. Focused on database testing using Java, the developer adjusted the HanaGeographyOnlineTest to increase the ULP tolerance, accommodating minor variations in envelope computations introduced by the upgrade. This change ensured that the test suite remained reliable and reduced false negatives across different environments. Comprehensive documentation and traceability were provided to clarify the rationale for future maintainers. The work emphasized maintaining delivery quality and repository stability, leveraging expertise in Java and geospatial data to support ongoing development efforts.