FESS_JAVA_OPTS="$FESS_JAVA_OPTS -Dlog4j2.formatMsgNoLookups=true"
FESS_JAVA_OPTS="$FESS_JAVA_OPTS -Dlog4j.skipJansi=true"

# Causes the JVM to dump its heap on OutOfMemory.
#FESS_JAVA_OPTS="$FESS_JAVA_OPTS -XX:+HeapDumpOnOutOfMemoryError"
# The path to the heap dump location, note directory must exists and have enough
# space for a full heap dump.
#FESS_JAVA_OPTS="$FESS_JAVA_OPTS -XX:HeapDumpPath=$FESS_HOME/logs/heapdump.hprof"

# Disables explicit GC

    }

    /**
     * Prints thread dump information to the logger at ERROR level.
     */
    public static void printThreadDumpAsError() {
        processThreadDump(logger::error);
    }

    /**
     * Writes thread dump information to the specified file.
     *
     * @param file the file path to write the thread dump to
     */
    public static void writeThreadDump(final String file) {

REM FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Djavax.net.ssl.trustStorePassword=changeit

REM Causes the JVM to dump its heap on OutOfMemory.
REM set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -XX:+HeapDumpOnOutOfMemoryError
REM The path to the heap dump location, note directory must exists and have enough
REM space for a full heap dump.
REM FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -XX:HeapDumpPath=%FESS_HOME%/logs/heapdump.hprof

REM Disables explicit GC

                    return null;
                });
    }

    /**
     * Print a thread dump.
     * @param form The edit form.
     * @return The HTML response.
     */
    @Execute
    @Secured({ ROLE })
    public HtmlResponse threaddump(final EditForm form) {

        final long freeMemory = Runtime.getRuntime().freeMemory();
        final String msg = String.format(
                "%d words from %d %s: {\"time\":{\"parse\":%d,\"index\":%d},\"cpu\":%f,\"mem\":{\"heap\":\"%dmb\",\"used\":\"%dmb\"}}",
                items.length, size, type, parseTime, indexTime, cpuLoad, maxMemory / (1024 * 1024),
                (maxMemory - freeMemory) / (1024 * 1024));
        logger.info(msg);

    public static final String SYSTEM_USER = "system";

    /** Empty user ID placeholder. */
    public static final String EMPTY_USER_ID = "<empty>";

    /** Crawler process command for thread dump. */
    public static final String CRAWLER_PROCESS_COMMAND_THREAD_DUMP = "thread_dump";

    // ============================================================
    // Path and Configuration Constants

# MIME types for HTML document cache.
crawler.document.cache.html.mimetypes=text/html

# indexer

# Whether to enable thread dump for the indexer.
indexer.thread.dump.enabled=true
# Maximum number of unprocessed documents for the indexer.
indexer.unprocessed.document.size=1000
# Whether to enable click count tracking in the indexer.
indexer.click.count.enabled=true

				"application/java-archive",
				"application/vnd.android.package-archive",
				"application/x-tika-java-enterprise-archive",
				"application/x-tika-java-web-archive",
				"application/x-tika-unix-dump",
				"application/java-serialized-object",
				"application/javascript",
				"application/json",
				"application/java-vm",
				"application/x-java-jnilib",
				"application/kpml-request+xml",

     * Get the value for the key 'indexer.thread.dump.enabled'. <br>
     * The value is, e.g. true <br>
     * comment: Whether to enable thread dump for the indexer.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getIndexerThreadDumpEnabled();

    /**
     * Is the property for the key 'indexer.thread.dump.enabled' true? <br>

    /** The key of the message: Cancel */
    public static final String LABELS_crawling_info_delete_all_cancel = "{labels.crawling_info_delete_all_cancel}";

    /** The key of the message: Thread Dump */
    public static final String LABELS_crawling_info_thread_dump = "{labels.crawling_info_thread_dump}";

    /** The key of the message: Crawler Start Time */