executor = newFixedThreadPool(nThreads < 1 ? 1 : nThreads);
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        maxDeleteDocumentCacheSize = fessConfig.getIndexerDataMaxDeleteCacheSizeAsInteger();
        maxRedirectCount = fessConfig.getIndexerDataMaxRedirectCountAsInteger();
    }

    protected ExecutorService newFixedThreadPool(final int nThreads) {

                logger.warn("Failed to create system properties file.", e);
            }
        }

        int totalCount = 0;
        int count = 1;
        final ExecutorService executorService = Executors.newFixedThreadPool(options.numOfThreads);
        try {
            while (count != 0) {
                count = ComponentUtil.getThumbnailManager().generate(executorService, options.cleanup);
                totalCount += count;

  public void testRegisterThreadSafety() throws Exception {
    List<StringCatcher> catchers = Lists.newCopyOnWriteArrayList();
    List<Future<?>> futures = Lists.newArrayList();
    ExecutorService executor = Executors.newFixedThreadPool(10);
    int numberOfCatchers = 10000;
    for (int i = 0; i < numberOfCatchers; i++) {
      futures.add(executor.submit(new Registrator(bus, catchers)));
    }
    for (int i = 0; i < numberOfCatchers; i++) {

  public void testRegisterThreadSafety() throws Exception {
    List<StringCatcher> catchers = Lists.newCopyOnWriteArrayList();
    List<Future<?>> futures = Lists.newArrayList();
    ExecutorService executor = Executors.newFixedThreadPool(10);
    int numberOfCatchers = 10000;
    for (int i = 0; i < numberOfCatchers; i++) {
      futures.add(executor.submit(new Registrator(bus, catchers)));
    }
    for (int i = 0; i < numberOfCatchers; i++) {

            logger.debug("refreshToken: {}, authority: {}", refreshToken, authority);
        }
        ExecutorService service = null;
        try {
            service = Executors.newFixedThreadPool(1);
            final AuthenticationContext context = new AuthenticationContext(authority, true, service);
            final Future<AuthenticationResult> future =

   * is complete. It does so by using daemon threads and adding a shutdown hook to wait for their
   * completion.
   *
   * <p>This is mainly for fixed thread pools. See {@link Executors#newFixedThreadPool(int)}.
   *
   * @param executor the executor to modify to make sure it exits when the application is finished
   * @param terminationTimeout how long to wait for the executor to finish before terminating the
   *     JVM

                if (numThreads <= 0) {
                    numThreads = (Runtime.getRuntime().availableProcessors() * 3) / 2 + 1;
                }
                executorService = Executors.newFixedThreadPool(numThreads);
            }
        }
    }