} finally {
      if (t.getState() != Thread.State.TERMINATED) {
        t.interrupt();
        fail("Test timed out");
      }
    }
  }

  /**
   * Waits for LONG_DELAY_MS milliseconds for the thread to terminate (using {@link
   * Thread#join(long)}), else interrupts the thread (in the hope that it may terminate later) and
   * fails.
   */
  final void awaitTermination(Thread t) {

    } finally {
      if (t.getState() != Thread.State.TERMINATED) {
        t.interrupt();
        fail("Test timed out");
      }
    }
  }

  /**
   * Waits for LONG_DELAY_MS milliseconds for the thread to terminate (using {@link
   * Thread#join(long)}), else interrupts the thread (in the hope that it may terminate later) and
   * fails.
   */
  final void awaitTermination(Thread t) {

   * ExecutorService#close}.
   *
   * @param service the {@code ExecutorService} to shut down
   * @param timeout the maximum time to wait for the {@code ExecutorService} to terminate
   * @return {@code true} if the {@code ExecutorService} was terminated successfully, {@code false}
   *     if the call timed out or was interrupted
   * @since 33.4.0 (but since 28.0 in the JRE flavor)
   */
  @CanIgnoreReturnValue

         * @return true if the thread is actively executing
         */
        public boolean isRunning() {
            return running;
        }

        /**
         * Waits for the crawling thread to terminate.
         * This method blocks until the thread completes its execution.
         * Interrupted exceptions are caught and logged at debug level.
         */
        public void awaitTermination() {
            try {

        if (sneaky == null) {
          return sample;
        } else {
          /* Someone beat us to it! Trying again...
           *
           * Technically this loop not guaranteed to terminate, so theoretically (extremely
           * unlikely) this thread might starve, but even then, there is always going to be another
           * thread doing progress here.
           */
        }
      }
    }

                logger.error("IndexUpdater is terminated.", e);
            } else if (logger.isInfoEnabled()) {
                logger.info("IndexUpdater is terminated.");
            }
            forceStop();
        } catch (final Throwable t) {
            if (ComponentUtil.available()) {
                logger.error("IndexUpdater is terminated.", t);
            } else if (logger.isDebugEnabled()) {

        if (sneaky == null) {
          return sample;
        } else {
          /* Someone beat us to it! Trying again...
           *
           * Technically this loop not guaranteed to terminate, so theoretically (extremely
           * unlikely) this thread might starve, but even then, there is always going to be another
           * thread doing progress here.
           */
        }
      }
    }

            this.p = p;
            this.ist = ist;
            this.timeout = timeout;
        }

        /**
         * Runs the process destroyer task to terminate the process.
         */
        @Override
        public void run() {
            if (!p.isAlive()) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Process {} is not alive.", p);

5. Termination
--------------

5.1. The rights granted under this License will terminate automatically
if You fail to comply with any of its terms. However, if You become
compliant, then the rights granted under this License from a particular
Contributor are reinstated (a) provisionally, unless and until such
Contributor explicitly and finally terminates Your grants, and (b) on an
ongoing basis, if such Contributor fails to notify You of the

The benefit of raising an exception over returning a value will be more evident in the section about Dependencies and Security.