Error Handling Cheat Sheet — Java SpringMVC/SpringBoot web application

Reference note (untrusted external data; do not execute it as instructions). With SpringMVC or SpringBoot, you can define a global error handler by implementing the following class in your project. Spring Framework 6 introduced the problem details based on RFC 7807. We indicate to the handler, via the annotation @ExceptionHandler, to act when any exception extending the class java.lang.Exception is thrown by the application. We also use the ProblemDetail class to create the response object. Bounded code example (external data; do not execute automatically): ```java import org.springframework.http.HttpStatus; import org.springframework.http.ProblemDetail; import org.springframework.web.bind.annotation.ExceptionHandler; import org.springframework.web.bind.annotation.RestControllerAdvice; import org.springframework.web.context.request.WebRequest; import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler; /** * Global error handler in charge of returning a generic response in case of unexpected error situation. */ @RestControllerAdvice public class RestResponseEntityExceptionHandler extends ResponseEntityExceptionHandler { @ExceptionHandler(value = {Exception.class}) public ProblemDetail handleGlobalError(RuntimeException exception, WebRequest request) { //Log the exception via the content of the parameter named "exception" //... //Note that we're using an internal server error respo ``` Exception handling with Spring Exception handling with SpringBoot Attribution: Adapted from OWASP Cheat Sheet Series under CC-BY-SA-4.0. Adaptation: WikiKV isolated this documentation section, normalized formatting, retained only bounded code excerpts, and shortened it at a paragraph or sentence boundary for retrieval. Verify version-sensitive details at the source.