我正在开发一个java应用程序，我正在开发的功能是在从数据库中填充文件内容后下载一个文件当用户单击“导出”按钮时，文件会正确生成，我遇到的问题是当我尝试处理异常时如果出现异常，下面是我的代码：
控制器方法：

@GetMapping(value = "/exportods/{id}")
  @ResponseBody
  public ResponseEntity<ByteArrayResource> exportODSFile(@PathVariable  String id )
      throws ObjectNotFoundException, IOException{

    File odsFfile = null;
    ByteArrayResource resource = null;
    HttpHeaders headers = null;

    try {          
      //generating ods file
      odsFfile = dao.exportInvalidationRequest(id);

      Path pathObj = Paths.get(odsFfile.getAbsolutePath());

      resource = new ByteArrayResource(Files.readAllBytes(pathObj));

      headers = new HttpHeaders();
      headers.add(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=" + odsFfile.getName());
      headers.add(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_OCTET_STREAM_VALUE);
      headers.add(HttpHeaders.CONTENT_LENGTH, String.valueOf(Files.readAllBytes(pathObj).length));
      headers.add(HttpHeaders.TRANSFER_ENCODING, "binary");

    } catch (ObjectNotFoundException e) {
      throw new ODSExportResourceException(HttpStatus.BAD_REQUEST,"message");
    }  catch (IOException e) {
      throw new ODSExportResourceException(HttpStatus.BAD_REQUEST,
          "message");
    }
    return new ResponseEntity<>(resource, headers, HttpStatus.OK);
  }

我的管制员建议：

@ControllerAdvice
public class ODSExportExceptionHandlerAdvice {
  @ResponseBody
  @ExceptionHandler(ODSExportResourceException.class)
  public ResponseEntity handleException(ODSExportResourceException e) {
    // log exception
    return ResponseEntity.status(e.getHttpStatus()).body(e.getMessage());
  }
}

odsexportresourceexception类

public class ODSExportResourceException extends  RuntimeException{

  private HttpStatus httpStatus = HttpStatus.INTERNAL_SERVER_ERROR;

  public HttpStatus getHttpStatus() {
    return httpStatus;
  }

  public ODSExportResourceException(HttpStatus httpStatus, String message) {
    super(message);
    this.httpStatus = httpStatus;
  }
}

前端Angular 服务方法：

downloadODSFile(id: string) {
    return this.httpClient.get(`${this.basePath}/exportods/${id}`, {
        responseType: 'arraybuffer'
    });
}

Angular 分量法：

downloadODSFile(id) {
         this.requestService.downloadODSFile(id).
            subscribe(data => {
                saveAs(new Blob([data], { type: '\'application/vnd.oasis.opendocument.spreadsheet\'' }), 
                          id);
                 }, error => {
             this.errorService.displayError(error);
             console.log('here is the error ' + error.toString())
            });
}

为了实现这段代码，我引用了这里提到的anwser:[lastanswer]
当我运行应用程序并触发导出时，在理想情况下，会生成并下载文件，但如果在后面触发异常，例如id没有引用数据库中的任何行，则会触发objectnotfoundexception，但我不会收到controlleradvice生成的响应。当触发异常时，如何将responseentity作为json处理？