Worked on the apache/parquet-java repository to deliver robust validation for the parquet.thrift.string.size.limit configuration, addressing a critical bug affecting configuration safety and runtime stability. Developed logic in Java to ensure correct default handling and to reject invalid configuration values, with comprehensive unit tests using JUnit to cover a range of max message size scenarios, including edge cases. Focused on configuration management best practices, the work improved the predictability of thrift-sized behavior across deployments. By resolving GH-3587 and merging PR #3588, contributed to safer defaults and enhanced reliability, demonstrating careful attention to both code quality and test coverage.