Worked on apache/ignite-3 to deliver a unified approach to BindException error reporting, focusing on backend development and network programming using Java. Developed and integrated a feature that standardizes error messages across both ClientHandlerModule and NettyServer, ensuring that port-conflict diagnostics now include the exact address and port in each message. This alignment enables faster and more reliable deployment diagnostics by providing consistent, actionable information to developers. Addressed incorrect BindException handling in ClientHandlerModule, implementing cross-module error reporting improvements. The work emphasized robust error handling practices, resulting in clearer diagnostics and a more maintainable codebase for network-related exception management within the repository.