# Migration Guide

This guide provides comprehensive instructions for migrating from other enterprise search systems to Fess. Fess offers robust compatibility layers, import tools, and APIs to facilitate smooth transitions from various search platforms.

## Table of Contents

- [Supported Migration Sources](#supported-migration-sources)
- [Pre-Migration Planning](#pre-migration-planning)
- [Migration Methods](#migration-methods)

/* ============================================
   Chat messages area
   ============================================ */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    scroll-behavior: smooth;
    min-height: 200px;
}

.chat-messages:not(:has(.chat-message)) .empty-state {
    display: flex;
}

.chat-messages:has(.chat-message) .empty-state {
    display: none;
}

        setupViewHelperWithFacetGroups(createFacetQueryView("filetype", "HTML", "filetype:HTML", "WORD", "filetype:WORD"),
                createFacetQueryView("timestamp", "1month", "timestamp:[now-1M TO *]", "1year", "timestamp:[now-1y TO *]"));
        final MockHttpServletRequest request = new MockHttpServletRequest();

    @Test
    public void test_edgeCaseBehavior() {
        String[] edgeCases = { "0 0 25 * * ?", // Invalid day of month
                "0 60 * * * ?", // Invalid minute
                "0 0 0 32 1 ?", // Invalid day
                "0 0 0 1 13 ?", // Invalid month
        };

        for (String cron : edgeCases) {
            boolean result = validator.determineValid(cron);

labels.facet_label_title=Label
labels.facet_timestamp_title=Time
labels.facet_timestamp_1day=Within 24 hours
labels.facet_timestamp_1week=Within a week
labels.facet_timestamp_1month=Within a month
labels.facet_timestamp_1year=Within a year
labels.facet_timestamp_3month=Within 3 months
labels.facet_timestamp_6month=Within 6 months
labels.facet_timestamp_2year=Within 2 years

    /** The domain for the user identification cookie */
    protected String cookieDomain;

    /** The maximum age of the user identification cookie in seconds (default: 1 month) */
    protected int cookieMaxAge = 30 * 24 * 60 * 60;// 1 month

    /** The path for the user identification cookie */
    protected String cookiePath = "/";

    /** Whether the user identification cookie should be secure (HTTPS only) */

labels.facet_label_title=Label
labels.facet_timestamp_title=Time
labels.facet_timestamp_1day=Within 24 hours
labels.facet_timestamp_1week=Within a week
labels.facet_timestamp_1month=Within a month
labels.facet_timestamp_1year=Within a year
labels.facet_timestamp_3month=Within 3 months
labels.facet_timestamp_6month=Within 6 months
labels.facet_timestamp_2year=Within 2 years

    /** The key of the message: Within a week */
    public static final String LABELS_facet_timestamp_1week = "{labels.facet_timestamp_1week}";

    /** The key of the message: Within a month */
    public static final String LABELS_facet_timestamp_1month = "{labels.facet_timestamp_1month}";

    /** The key of the message: Within a year */