Spring Boot - Exception HandlingHow can you include validation error details in the HTTP response headers instead of the body in Spring Boot?AIn the @ExceptionHandler method, add error details to HttpHeaders and return ResponseEntity with headersBUse @ResponseStatus to set headers automaticallyCAdd @Valid to HttpHeaders parameter in controller methodDConfigure application.properties to move errors to headersCheck Answer
Step-by-Step SolutionSolution:Step 1: Understand how to customize response headersResponseEntity allows setting custom headers along with status and body.Step 2: Add validation error details to headers in exception handlerIn the @ExceptionHandler method, create HttpHeaders, add error info, and return ResponseEntity with these headers.Final Answer:In the @ExceptionHandler method, add error details to HttpHeaders and return ResponseEntity with headers -> Option AQuick Check:Custom headers require setting HttpHeaders in ResponseEntity [OK]Quick Trick: Use ResponseEntity with HttpHeaders to send errors in headers [OK]Common Mistakes:Expecting @ResponseStatus to set headersTrying to validate HttpHeaders parameterAssuming properties file controls error headers
Master "Exception Handling" in Spring Boot9 interactive learning modes - each teaches the same concept differentlyLearnWhyDeepVisualTryChallengeProjectRecallPerf
More Spring Boot Quizzes Exception Handling - Why centralized error handling matters - Quiz 14medium Exception Handling - @ExceptionHandler in controllers - Quiz 14medium Inversion of Control and Dependency Injection - Field injection and why to avoid it - Quiz 2easy Inversion of Control and Dependency Injection - @Component annotation - Quiz 13medium REST Controllers - @RequestParam for query strings - Quiz 8hard REST Controllers - ResponseEntity for full response control - Quiz 10hard Request and Response Handling - Returning different status codes - Quiz 7medium Request and Response Handling - Content type negotiation - Quiz 14medium Spring Boot Fundamentals - Project structure walkthrough - Quiz 9hard Spring Boot Fundamentals - Spring Initializr for project creation - Quiz 11easy