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How to implement Exception Handling for RESTful Web Services?

Deepika Sahu answered on December 16, 2022 Popularity 2/10 Helpfulness 1/10

answer How to implement Exception Handling for RESTful Web Services?

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How to implement Exception Handling for RESTful Web Services?

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 the Controller-Level @ExceptionHandler
Solution 2: the HandlerExceptionResolver
Solution 3: @ControllerAdvice
Solution 4: ResponseStatusException (Spring 5 and Above)
Handle the Access Denied in Spring Security
REST and Method-Level Security
Spring Boot provides an ErrorController implementation to handle errors in a sensible way.

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Contributed on Dec 16 2022

Deepika Sahu

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How to implement Exception Handling for RESTful Web Services?

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@ControllerAdvice
public class RestResponseEntityExceptionHandler 
  extends ResponseEntityExceptionHandler {

    @ExceptionHandler({ AccessDeniedException.class })
    public ResponseEntity<Object> handleAccessDeniedException(
      Exception ex, WebRequest request) {
        return new ResponseEntity<Object>(
          "Access denied message here", new HttpHeaders(), HttpStatus.FORBIDDEN);
    }
    
    ...
}
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Contributed on Dec 16 2022

Deepika Sahu

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How to implement Exception Handling for RESTful Web Services?

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public class FooController{
    
    //...
    @ExceptionHandler({ CustomException1.class, CustomException2.class })
    public void handleException() {
        //
    }
}
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Contributed on Dec 16 2022

Deepika Sahu

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How to implement Exception Handling for RESTful Web Services?

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@ControllerAdvice
public class RestResponseEntityExceptionHandler 
  extends ResponseEntityExceptionHandler {

    @ExceptionHandler(value 
      = { IllegalArgumentException.class, IllegalStateException.class })
    protected ResponseEntity<Object> handleConflict(
      RuntimeException ex, WebRequest request) {
        String bodyOfResponse = "This should be application specific";
        return handleExceptionInternal(ex, bodyOfResponse, 
          new HttpHeaders(), HttpStatus.CONFLICT, request);
    }
}
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Contributed on Dec 16 2022

Deepika Sahu

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How to implement Exception Handling for RESTful Web Services?

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@GetMapping(value = "/{id}")
public Foo findById(@PathVariable("id") Long id, HttpServletResponse response) {
    try {
        Foo resourceById = RestPreconditions.checkFound(service.findOne(id));

        eventPublisher.publishEvent(new SingleResourceRetrievedEvent(this, response));
        return resourceById;
     }
    catch (MyResourceNotFoundException exc) {
         throw new ResponseStatusException(
           HttpStatus.NOT_FOUND, "Foo Not Found", exc);
    }
}
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Source: www.baeldung.com

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Contributed on Dec 16 2022

Deepika Sahu

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How to implement Exception Handling for RESTful Web Services?

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How to implement Exception Handling for RESTful Web Services?

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How to implement Exception Handling for RESTful Web Services?

How to implement Exception Handling for RESTful Web Services?

How to implement Exception Handling for RESTful Web Services?

How to implement Exception Handling for RESTful Web Services?

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