public class ErrorInfo {
    public final String error;
    public int status;
    public final String date;

    private static final DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
    public ErrorInfo(Throwable throwable, HttpStatus status){
      this.error = ExceptionUtil.getRootMessage(throwable);
      this.date = dateFormat.format(new Date());
      this.status = status.value();
   }
   public ErrorInfo(String message, HttpStatus status) {
      this.error = message;
      this.date = dateFormat.format(new Date());
      this.status = status.value();
   }
  @Override
  public String toString() {
    return "ErrorInfo [status="+status+", error="+error+ ", date=" + date + "]";
  }
}

@ControllerAdvice
public class RestExceptionHandler extends ResponseEntityExceptionHandler {

   @Override
protected ResponseEntity<Object> handleExceptionInternal(Exception ex, Object body, HttpHeaders headers, HttpStatus status, WebRequest request) {
if(body instanceof String){
return new ResponseEntity<Object>(new ErrorInfo((String) body, status), headers, status);
   }
  return new ResponseEntity<Object>(new ErrorInfo(ex, status), headers, status);
}

    // 400
    @Override
protected ResponseEntity<Object> handleHttpMessageNotReadable(final HttpMessageNotReadableException ex, final HttpHeaders headers, final HttpStatus status, final WebRequest request) {
return handleExceptionInternal(ex, "The provided request body is not readable!", headers, HttpStatus.BAD_REQUEST, request);
}

@Override
protected ResponseEntity<Object> handleTypeMismatch(TypeMismatchException ex, HttpHeaders headers, HttpStatus status, WebRequest request) {
  return handleExceptionInternal(ex, "The request parameters were not valid!", headers, HttpStatus.BAD_REQUEST, request);
  }
(...)

@ExceptionHandler({ InvalidDataAccessApiUsageException.class, DataAccessException.class , IllegalArgumentException.class })
protected ResponseEntity<Object> handleConflict(final RuntimeException ex, final WebRequest request) {
    return handleExceptionInternal(ex, "The request parameters were not valid!", new HttpHeaders(), HttpStatus.BAD_REQUEST, request);
}
(...)

// 500
@ExceptionHandler({ NullPointerException.class, IllegalStateException.class })
public ResponseEntity<Object> handleInternal(final RuntimeException ex, final WebRequest request) {
return handleExceptionInternal(ex,  "An internal 	error happened during the request! Please try 	again or contact an administrator.", new HttpHeaders(), HttpStatus.INTERNAL_SERVER_ERROR, request);
}
}

public class MarketCodeEditor extends PropertyEditorSupport{
public void setAsText(String text) {
    try{
      setValue(MarketCode.valueOf(text));
    } catch (IllegalArgumentException e) {
      throw new IllegalArgumentException("The provided value for the market code variable is invalid!");
    }
    }
}
public class QuotesIntervalEditor extends PropertyEditorSupport {
    public void setAsText(String text) {
    try{
       setValue(QuotesInterval.valueOf(text));
    } catch (IllegalArgumentException e) {
      throw new IllegalArgumentException("The provided value for the quote-interval variable is invalid!");
    }
  }
}