Worked on enhancing the stability and memory safety of the facebook/fbthrift repository, focusing on Java-based protocol handling. Addressed a memory management issue in the ByteBufTJSONProtocol by ensuring that allocated ByteBuf instances are properly released when exceptions occur during JSON processing. This fix reduces the risk of memory leaks in error paths, improving the reliability of long-running services that depend on fbthrift. The work involved deep understanding of Java, Netty, and Protocol Buffers, emphasizing exception safety and robust resource management. No new user-facing features were introduced, but the changes contribute to more stable and maintainable production deployments.