Worked on enhancing the reliability of PLC connections in the apache/plc4x repository by improving error handling within the Netty Channel Factory. Focused on Java-based exception management, the developer replaced direct stack trace printing with structured error reporting, rethrowing errors as PlcConnectionException to prevent internal information leakage. This approach standardized exception flows, enabling centralized error reporting and more predictable client failures. By aligning the codebase with project standards for error handling and security, the work reduced support overhead and improved diagnostics. The changes strengthened observability and maintainability, leveraging skills in Java, error handling, and exception management throughout the process.