final FessMessages messages = createMessages();
        validationMessagesLambda.message(messages);
        sessionManager.info().saveMessages(messages);
    }

    protected void saveError(final VaMessenger<FessMessages> validationMessagesLambda) {
        final FessMessages messages = createMessages();
        validationMessagesLambda.message(messages);
        sessionManager.errors().saveMessages(messages);

            map.put("version", "");
            result.add(map);
            try {
                result.addAll(getAllAvailableArtifacts());
            } catch (final Exception e) {
                saveError(messages -> messages.addErrorsFailedToFindPlugins(GLOBAL));
                logger.warn("Failed to access a plugin repository.", e);
            }
            RenderDataUtil.register(data, "availableArtifactItems", result);

            systemProperties.store();
        } catch (final Exception e) {
            logger.warn("Failed to send a test mail.", e);
            saveError(messages -> messages.addErrorsFailedToSendTestmail(GLOBAL));
        }

        return redirectByParam(AdminGeneralAction.class, "notificationTo", form.notificationTo);
    }

    @Execute

                    job.launchNow();
                });
            }
            saveInfo(messages -> messages.addSuccessStartCrawlProcess(GLOBAL));
        } else {
            saveError(messages -> messages.addErrorsFailedToStartCrawlProcess(GLOBAL));
        }
        return redirect(AdminWizardAction.class);
    }

                }
            }, e -> logger.warn("Failed to reindex from {} to {}", fromIndex, toIndex, e)));
            return true;
        }
        saveError(messages -> messages.addErrorsFailedToReindex(GLOBAL, fromIndex, toIndex));
        return false;
    }