'Spring-boot: RestControllerAdvise not reached

I've built a RestControlerAdvise:

@RestControllerAdvice
@Order(Ordered.HIGHEST_PRECEDENCE)
public class ExceptionControllerAdvice {

    @ExceptionHandler({DocumentAlreadyExistsException.class})
    @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
    public cat.gencat.ctti.canigo.arch.web.rs.model.Error handleException(DocumentAlreadyExistsException e) {

        cat.gencat.ctti.canigo.arch.web.rs.model.Error error = new cat.gencat.ctti.canigo.arch.web.rs.model.Error();
        error.setCode(HttpStatus.BAD_REQUEST.value());
        error.setMessage(e.getMessage());
        return error;

    }

}

Nevertheless, it's never reached even though I raise an DocumentAlreadyExistException.

It's detected on boot:

2018-08-20 17:08:25.791 INFO 4941 --- [ main] .m.m.a.ExceptionHandlerExceptionResolver : Detected @ExceptionHandler methods in exceptionControllerAdvice

Any ideas?

javaspring-boot


Solution 1:[1]

I ran the same code in my application and its working fine, also please note

@ExceptionHandler methods on the Controller are always selected before those on any @ControllerAdvice instance. It is undefined what order controller-advices are processed.

@RestControllerAdvice
@Order(Ordered.HIGHEST_PRECEDENCE)
public class CustomExceptionHandler  {

    @ExceptionHandler(value={Exception.class})
    @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
    public final ErrorMessage exceptionHandler(Exception e)
    {
        ErrorMessage msg=new ErrorMessage();
        msg.setError("its an error");

        return msg;
    }

also please refer the following link for more information : https://spring.io/blog/2013/11/01/exception-handling-in-spring-mvc

Solution 2:[2]

You may be handling the DocumentAlreadyExistException instead of throwing it out for spring to handle it.

Solution 3:[3]

Make sure that the Exception handler class is in the same package or inside the package where the controller exists.

For example: If the package where the controller is found is:

package com.test.component.controller;

Then use the same package for the handler or use this:

package com.test.component.controller.exceptionhandler;

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution Source
Solution 1 aditya gupta
Solution 2 Jayesh
Solution 3 Wael

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