public void testForwardExceptionFastPath() throws Exception {
    class FailFuture extends InternalFutureFailureAccess implements ListenableFuture<String> {
      final Throwable failure;

      FailFuture(Throwable throwable) {
        failure = throwable;
      }

      @Override
      public boolean cancel(boolean mayInterruptIfRunning) {

     *              (A {@code null} value is permitted, and indicates that the cause is nonexistent or unknown.)
     */
    public CrawlerSystemException(final String message, final Throwable cause) {
        super(message, cause);
    }

    /**
     * Constructs a new CrawlerSystemException with the specified detail message.
     *

    get().log("[ES] onClosed", Platform.INFO, null)
    events.add(Closed)
    drainCancelQueue(eventSource)
  }

  override fun onFailure(
    eventSource: EventSource,
    t: Throwable?,
    response: Response?,
  ) {
    get().log("[ES] onFailure", Platform.INFO, t)
    events.add(Failure(t, response, t?.message ?: response?.body?.string()))
    drainCancelQueue(eventSource)
  }

    // - knowing what artifacts are missing
    // - project building exception
    // - invalid project model exception: list of markers
    // - xmlpull parser exception
    List<Throwable> getExceptions();

    MavenExecutionResult addException(Throwable e);

    boolean hasExceptions();

    /**
     * Gets the build summary for the specified project.
     *

  public void testForwardExceptionFastPath() throws Exception {
    class FailFuture extends InternalFutureFailureAccess implements ListenableFuture<String> {
      final Throwable failure;

      FailFuture(Throwable throwable) {
        failure = throwable;
      }

      @Override
      public boolean cancel(boolean mayInterruptIfRunning) {

      this.delegate = null
      delegate.onClosed(webSocket, code, reason)
    } else {
      events.add(Closed(code, reason))
    }
  }

  override fun onFailure(
    webSocket: WebSocket,
    t: Throwable,
    response: Response?,
  ) {
    Platform.get().log("[WS $name] onFailure", Platform.INFO, t)
    val delegate = delegate
    if (delegate != null) {
      this.delegate = null

                  // which case we should skip right down to shutdown.
                  if (isRunning()) {
                    try {
                      AbstractExecutionThreadService.this.run();
                    } catch (Throwable t) {
                      restoreInterruptIfIsInterruptedException(t);
                      try {
                        shutDown();
                      } catch (Exception ignored) {

   * so tests pass on GraalVM, where suppressed exceptions are silently discarded.
   *
   * https://github.com/oracle/graal/issues/3008
   */
  @JvmStatic
  fun Throwable.assertSuppressed(block: (List<@JvmSuppressWildcards Throwable>) -> Unit) {
    if (isGraalVmImage) return
    block(suppressed.toList())
  }

  @JvmStatic
  fun threadFactory(name: String): ThreadFactory =
    object : ThreadFactory {

   * @param executor the executor that runs {@code fallback} if the input fails
   */
  @J2ktIncompatible
  @Partially.GwtIncompatible("AVAILABLE but requires exceptionType to be Throwable.class")
  public final <X extends Throwable> FluentFuture<V> catching(
      Class<X> exceptionType, Function<? super X, ? extends V> fallback, Executor executor) {
    return (FluentFuture<V>) Futures.catching(this, exceptionType, fallback, executor);

     *              (A {@code null} value is permitted, and indicates that the cause is nonexistent or unknown.)
     */
    public ExtractException(final String message, final Throwable cause) {
        super(message, cause);
    }

    /**
     * Constructs a new ExtractException with the specified detail message.
     *