SingletonLaContainerFactory.setExternalContextComponentDefRegister(new GenericExternalContextComponentDefRegister());
            SingletonLaContainerFactory.init();

            final Thread shutdownCallback = new Thread("ShutdownHook") {
                @Override
                public void run() {
                    if (logger.isDebugEnabled()) {
                        logger.debug("Destroying LaContainer..");

    }


    private static void interruptThreadSafely ( QueryThread thread ) {
        try {
            thread.interrupt();
        }
        catch ( SecurityException e ) {
            e.printStackTrace();
        }
    }


    private static void joinThread ( Thread thread ) {
        try {
            thread.join();
        }
        catch ( InterruptedException e ) {

        // be ignored; see tryClose comment.
        if( socket == null ) {
            socket = new DatagramSocket( lport, laddr );
            thread = new Thread( this, "JCIFS-NameServiceClient" );
            thread.setDaemon( true );
            thread.start();
        }
    }
    void tryClose() {
        synchronized( LOCK ) {

            /* Yes, there is the potential to drop packets

    private static final String KEEP_EXPIRES_DOCS = "keep_expires_docs";

    protected long crawlingExecutionInterval = Constants.DEFAULT_CRAWLING_EXECUTION_INTERVAL;

    protected int crawlerPriority = Thread.NORM_PRIORITY;

    protected final List<DataCrawlingThread> dataCrawlingThreadList = Collections.synchronizedList(new ArrayList<>());

    public void crawl(final String sessionId) {

            return jvmGcObj;
        }).toArray(n -> new JvmGcObj[n]);
        final Threads threads = jvmStats.getThreads();
        final JvmThreadsObj jvmThreadsObj = new JvmThreadsObj();
        jvmObj.threads = jvmThreadsObj;
        jvmThreadsObj.count = threads.getCount();
        jvmThreadsObj.peak = threads.getPeakCount();
        final Classes classes = jvmStats.getClasses();

        failureUrl.setErrorName(errorName);
        failureUrl.setErrorLog(getStackTrace(e));
        failureUrl.setLastAccessTime(ComponentUtil.getSystemHelper().getCurrentTimeAsLong());
        failureUrl.setThreadName(Thread.currentThread().getName());

        bhv.insertOrUpdate(failureUrl, op -> {
            op.setRefreshPolicy(Constants.TRUE);
        });
    }

    private String getStackTrace(final Throwable t) {

        return clazz.getName().replace('.', '/') + ".class";
    }

    /**
     * コンテキストクラスローダを返します。
     *
     * @return コンテキストクラスローダ
     */
    public static ClassLoader getClassLoader() {
        return Thread.currentThread().getContextClassLoader();
    }

    /**
     * コンテキストクラスローダからリソースを返します。
     *
     * @param path
     *            リソースのパス。{@literal null}や空文字列であってはいけません
     * @return リソースの{@link URL}

     * may be necessary that an addition thread be used to read and
     * write to a Named Pipe.
     */

    public InputStream getNamedPipeInputStream() throws IOException {
        if( pipeIn == null ) {
            if(( pipeType & PIPE_TYPE_CALL ) == PIPE_TYPE_CALL ||
                    ( pipeType & PIPE_TYPE_TRANSACT ) == PIPE_TYPE_TRANSACT ) {
                pipeIn = new TransactNamedPipeInputStream( this );
            } else {

        try ( SmbFile f = getDefaultShareRoot() ) {
            checkConnection(f);
            while ( true ) {
                f.list();
                Thread.sleep(5000);
            }

        }
    }

        }
    }

    static class Sem {
        Sem( int count ) {
            this.count = count;
        }
        int count;
    }

    static class QueryThread extends Thread {
    
        Sem sem;
        String host, scope;
        int type;
        NbtAddress ans = null;
        InetAddress svr;
        UnknownHostException uhe;