Phase 5: Configuration & Optimization - Error Handling & Validation

[amolsr]

Phase 5: Configuration & Optimization - Error Handling & Validation

Description

Implement comprehensive error handling, validation, and create proper error pages for better user experience.

Tasks

• Create global exception handler with @ControllerAdvice
• Implement proper error pages
• Add Bean Validation to entities
• Create custom validation messages
• Implement input validation
• Add proper error logging
• Create user-friendly error messages

Current Error Handling

• Basic error handling in servlets
• No global exception handling
• Limited validation

Target Error Handling

• Global exception handling
• Proper error pages
• Comprehensive validation
• User-friendly error messages

Priority

Medium

Estimated Time

2-3 days

Dependencies

• Phase 5: Application Configuration

Acceptance Criteria

• Global exception handler implemented
• Error pages created
• Validation working
• Error logging implemented
• User-friendly error messages

Related Files

• New: GlobalExceptionHandler.java
• All entity classes (for validation)
• Error JSP pages

Labels

enhancement, migration, phase-5, error-handling, validation