docs: @Override
      public void handleExceptions(MessageEvent messageEvent, Exception exception) {
  
          if(exception instanceof InvalidMetadataException) {
              logger.error("Exception when deleting. The requested key does not exist in this partition",
                           exception);
              writeErrorResponse(messageEvent,
                                 HttpResponseStatus.REQUESTED_RANGE_NOT_SATISFIABLE,
                                 "The requested key does not exist in this partition");
          } else if(exception instanceof PersistenceFailureException) {
              logger.error("Exception when deleting. Operation failed", exception);
              writeErrorResponse(messageEvent,
                                 HttpResponseStatus.INTERNAL_SERVER_ERROR,
                                 "Operation failed");
          } else if(exception instanceof UnsupportedOperationException) {
              logger.error("Exception when deleting. Operation not supported in read-only store ",
                           exception);
              writeErrorResponse(messageEvent,
                                 HttpResponseStatus.METHOD_NOT_ALLOWED,
                                 "Operation not supported in read-only store");
          } else if(exception instanceof StoreTimeoutException) {
              String errorDescription = "DELETE Request timed out: " + exception.getMessage();
              logger.error(errorDescription);
              writeErrorResponse(messageEvent, HttpResponseStatus.REQUEST_TIMEOUT, errorDescription);
          } else if(exception instanceof InsufficientOperationalNodesException) {
              String errorDescription = "DELETE Request failed: " + exception.getMessage();
              logger.error(errorDescription);
              writeErrorResponse(messageEvent,
                                 HttpResponseStatus.INTERNAL_SERVER_ERROR,
                                 errorDescription);
          } else {
              super.handleExceptions(messageEvent, exception);
          }
      }