try {
                webConfigService.delete(entity);
                saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToDeleteCrudTable(GLOBAL, buildThrowableMessage(e)));
            }
        }).orElse(() -> {

                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;
        });

    public void test_differentMessageCodes() {
        // Setup - test with different message codes
        final String message = "Test message";
        final VaMessenger<FessMessages> loginErrorCode = messages -> messages.addErrorsSsoLoginError(UserMessages.GLOBAL_PROPERTY_KEY);
        final VaMessenger<FessMessages> logoutErrorCode = messages -> messages.addSuccessSsoLogout(UserMessages.GLOBAL_PROPERTY_KEY);

        // Execute

                throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                        this::asEditHtml);
            }
        }).orElse(() -> {
            throwValidationError(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL), this::asEditHtml);
        });
        return redirect(getClass());
    }

    /**

                throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                        this::asEditHtml);
            }
        }).orElse(() -> {
            throwValidationError(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL), this::asEditHtml);
        });
        return redirect(getClass());
    }

    /**

                    }
                }).start();
                saveInfo(messages -> messages.addSuccessInstallPlugin(GLOBAL, form.jarFile.getFileName()));
            } else {
                final Artifact artifact = getArtifactFromInstallForm(form);
                if (artifact == null) {
                    throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, form.id), this::asListHtml);
                }

                throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                        this::asEditHtml);
            }
        }).orElse(() -> {
            throwValidationError(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL), this::asEditHtml);
        });
        return redirect(getClass());
    }

    /**

        try {
            userService.changePassword(username, form.password);
            saveInfo(messages -> messages.addSuccessChangedPassword(GLOBAL));
        } catch (final Exception e) {
            logger.warn("Failed to change newPassword for {}", username, e);
            throwValidationError(messages -> messages.addErrorsFailedToChangePassword(GLOBAL), toIndexPage);
        }

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

        // Number of messages
        int numberOfMessages = buf.dec_ndr_long();

        // Messages array
        List<WitnessNotificationMessage> messages = new ArrayList<>(numberOfMessages);
        for (int i = 0; i < numberOfMessages; i++) {
            WitnessNotificationMessage message = decodeNotificationMessage(buf);
            messages.add(message);
        }