* messages.
   */
  open fun onOpen(
    webSocket: WebSocket,
    response: Response,
  ) {
  }

  /** Invoked when a text (type `0x1`) message has been received. */
  open fun onMessage(
    webSocket: WebSocket,
    text: String,
  ) {
  }

  /** Invoked when a binary (type `0x2`) message has been received. */
  open fun onMessage(

        result.logLevel == LogLevel.LIFECYCLE
        result.message == MESSAGE
        result.throwable.getClass() == event.throwable.getClass()
        result.throwable.message == event.throwable.message
        result.throwable.stackTrace == event.throwable.stackTrace
        result.buildOperationId == new OperationIdentifier(42L)
    }

    def "can serialize LogEvent messages"() {
        when:

		json.Unmarshal([]byte(srv.messages[0]), &got[0])
		json.Unmarshal([]byte(srv.messages[1]), &got[1])
		if !reflect.DeepEqual(got, want) {
			t.Errorf("received log messages, got %v want %v", got, want)
		}
	}

	{
		t.Log("test sending log with specified time")

		// Clean up all the mssages, and log again. Check that buffer is cleaned up properly.
		srv.messages = make([]string, 0)

                logger.warn("Failed to process a request.", e);
                throwValidationError(messages -> messages.addErrorsFailedToUploadMappingFile(GLOBAL),
                        () -> redirectWith(getClass(), moreUrl("uploadpage/" + form.dictId)));
            }
            saveInfo(messages -> messages.addSuccessUploadMappingFile(GLOBAL));

            if (logger.isDebugEnabled()) {
                logger.debug("Invalid offset: {}", form.offset, e);
            }
            throwValidationError(messages -> messages.addErrorsResultSizeExceeded(GLOBAL), this::asListHtml);
        }

        throwValidationError(messages -> messages.addErrorsInvalidQueryUnknown(GLOBAL), this::asListHtml);
        return null; // ignore
    }

    @Execute
    @Secured({ ROLE, ROLE + VIEW })

        // waiting endpoint, even if there are multiple waiting to do work
        EndPointQueue selected = waiting.isEmpty() ? null : waiting.get(0);
        while (!queue.isEmpty()) {
            InterHubMessage message = queue.peekFirst();
            switch (message.getDelivery()) {

        body.dictId = dictId;
        validateApi(body, messages -> {});
        body.crudMode = CrudMode.CREATE;
        final StopwordsItem entity = createStopwordsItem(body, () -> {
            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL));
            return null;
        }).orElseGet(() -> {
            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL));

                logger.warn("Failed to add {}", entity, e);
                throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                        this::asEditHtml);
            }
        }).orElse(() -> {
            throwValidationError(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL), this::asEditHtml);
        });
        return redirect(getClass());

                logger.warn("Failed to process a request.", e);
                throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));
            }
            return entity;
        }).orElseGet(() -> {
            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL));
            return null;
        });

                throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToUpdateCrudTable(GLOBAL, buildThrowableMessage(e)));
            }
            return entity;
        }).orElseGet(() -> {
            throwValidationErrorApi(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, body.id));
            return null;
        });