我正在尝试在 Spring-Boot 中为我的 Controller 编写错误处理程序,以捕获大多数可能的错误(Spring、sql 等)。到目前为止,我能够获得带有 Nulls 的 JSON 响应,但是我无法在其中放入任何数据。当我尝试获取错误消息时,我只收到一个空白页。
import java.io.IOException;
import java.sql.SQLException;
import javax.servlet.http.HttpServletRequest;
import org.springframework.boot.autoconfigure.web.ErrorController;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.mvc.multiaction.NoSuchRequestHandlingMethodException;
@RestController
public class BasicErrorController implements ErrorController {
private static final String ERROR_PATH = "/error";
@RequestMapping(value=ERROR_PATH)
@ExceptionHandler(value = {NoSuchRequestHandlingMethodException.class, SQLException.class, IOException.class, RuntimeException.class, Exception.class})
public ErrorBody defaultErrorHandler(HttpServletRequest request, Exception e) {
ErrorBody eBody = new ErrorBody();
eBody.setMessage(e.getCause().getMessage());
return eBody;
}
}
import lombok.Getter;
import lombok.Setter;
@Getter
@Setter
public class ErrorBody {
private String dateTime;
private String exception;
private String url;
private String message;
}
最佳答案
你可以这样做:
@ControllerAdvice
public class ControllerExceptionTranslator {
@ExceptionHandler(EntityNotFoundException.class)
@ResponseStatus(HttpStatus.NOT_FOUND)
@ResponseBody
SimpleErrorMessage handleException(EntityNotFoundException exception){
log.debug("Entity Not Found Exception {}",exception.getMessage());
log.trace(exception.getMessage(),exception);
return new SimpleErrorMessage("Entity not found","This resource was not found");
}
@ExceptionHandler({UsernameNotFoundException.class})
@ResponseStatus(HttpStatus.UNAUTHORIZED)
@ResponseBody
SimpleErrorMessage handleException(UsernameNotFoundException exception){
log.debug("Username not found {}",exception.getLocalizedMessage());
log.trace(exception.getMessage(),exception);
return new SimpleErrorMessage("Unaouthorized"," ");
}
}
关于Spring-Boot - 错误处理,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/28501154/