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Custom @ControllerAdvice classes

Pragya Keshap answered on February 22, 2023 Popularity 3/10 Helpfulness 1/10

answer Custom @ControllerAdvice classes

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Custom @ControllerAdvice classes

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Here is our global exception handler controller class. Notice the class is annotated with @ControllerAdvice annotation. Also methods are annotated with @ExceptionHandler annotation.

import java.io.IOException;
import java.sql.SQLException;

import javax.servlet.http.HttpServletRequest;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseStatus;

@ControllerAdvice
public class GlobalExceptionHandler {

	private static final Logger logger = LoggerFactory.getLogger(GlobalExceptionHandler.class);
	
	@ExceptionHandler(SQLException.class)
	public String handleSQLException(HttpServletRequest request, Exception ex){
		logger.info("SQLException Occured:: URL="+request.getRequestURL());
		return "database_error";
	}
	
	@ResponseStatus(value=HttpStatus.NOT_FOUND, reason="IOException occured")
	@ExceptionHandler(IOException.class)
	public void handleIOException(){
		logger.error("IOException handler executed");
		//returning 404 error code
	}
}

https://www.digitalocean.com/community/tutorials/spring-mvc-exception-handling-controlleradvice-exceptionhandler-handlerexceptionresolver

Popularity 3/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: java

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Contributed on Feb 22 2023

Pragya Keshap

0 Answers Avg Quality 2/10

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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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Popularity 6/10 Helpfulness 2/10 Language java

Source: www.baeldung.com

Tags: java

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Contributed on Mar 01 2023

Pragya Keshap

0 Answers Avg Quality 2/10

Custom @ControllerAdvice classes

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