*
   * @throws X if {@code get} throws any checked exception except for an {@code ExecutionException}
   *     whose cause is not itself a checked exception
   * @throws UncheckedExecutionException if {@code get} throws an {@code ExecutionException} with a
   *     {@code RuntimeException} as its cause
   * @throws ExecutionError if {@code get} throws an {@code ExecutionException} with an {@code

        return hasNext;
    }

    @Override
    public E next() {
        if (!hasNext) {
            throw new NoSuchElementException();
        }
        hasNext = false;
        return value;
    }

    @Override
    public void remove() {
        throw new ClUnsupportedOperationException("remove");
    }

                "Setting the factory for the first time should not throw an exception.");
    }

    @Test
    void testSetURLStreamHandlerFactory_ThrowsIllegalStateExceptionOnSecondAttempt() {
        // This test ensures that attempting to set the URLStreamHandlerFactory more than once
        // throws an IllegalStateException as per the contract.

  private Target nullSingleton;

  @Override
  public void setUp() throws Exception {
    super.setUp();

    empty = new Target(emptyCollection(), "empty");
    /*
     * We test that nullSingleton.retainAll(disjointList) does NOT throw a
     * NullPointerException when disjointList does not, so we can't use
     * MinimalCollection, which throws NullPointerException on calls to
     * contains(null).
     */

            resultData.removeUrl(requestData);
            resultData.removeUrl(getDuplicateUrl(requestData));
        } catch (final CrawlerSystemException e) {
            throw e;
        } catch (final Exception e) {
            throw new CrawlerSystemException("Could not store data.", e);
        }
    }

    /**
     * Gets the child URL extraction rules as a stream of tag-attribute pairs.
     *

            throw new IllegalArgumentException("versionRange cannot be empty");
        }

        VersionConstraint constraint;
        try {
            constraint = versionScheme.parseVersionConstraint(versionRange);
        } catch (InvalidVersionSpecificationException e) {
            throw new IllegalArgumentException(e.getMessage(), e);
        }

     * @param file the file containing the content
     * @throws IllegalArgumentException if file is null
     */
    public ContentCache(final File file) {
        if (file == null) {
            throw new IllegalArgumentException("file must not be null");
        }
        this.data = null;
        this.file = file;
    }

    @Override
    public void close() throws IOException {
        if (file != null) {

  override fun find(): RealConnection {
    var firstException: IOException? = null
    try {
      while (tcpConnectsInFlight.isNotEmpty() || routePlanner.hasNext()) {
        if (routePlanner.isCanceled()) throw IOException("Canceled")

        // Launch a new connection if we're ready to.
        val now = taskRunner.backend.nanoTime()
        var awaitTimeoutNanos = nextTcpConnectAtNanos - now

            throws ArtifactResolutionException, ArtifactNotFoundException {
        if (Artifact.LATEST_VERSION.equals(artifact.getVersion())) {
            try {
                String version = resolveVersion(artifact, request);
                if (Artifact.LATEST_VERSION.equals(version)) {
                    throw new ArtifactNotFoundException("Unable to determine the latest version", artifact);

            if (exitValue == 143 && mt.isTeminated()) {
                throw new ExecutionTimeoutException("The command execution is timeout: " + cmdList);
            }
        } catch (final CrawlerSystemException e) {
            throw e;
        } catch (final InterruptedException e) {
            if (mt != null && mt.isTeminated()) {
                throw new ExecutionTimeoutException("The command execution is timeout: " + cmdList, e);