return LaRequestUtil.getOptionalRequest().map(req -> (T) req.getAttribute(name)).orElse(null);
    }

    /**
     * Sets an error in the current request with the specified status code and message.
     *
     * @param statusCode The HTTP status code
     * @param message The error message
     */
    public static void setError(final int statusCode, final String message) {

        // Test error paths
        assertEquals("/error/badRequest.jsp", FessHtmlPath.path_Error_BadRequestJsp.getRoutingPath());
        assertEquals("/error/error.jsp", FessHtmlPath.path_Error_ErrorJsp.getRoutingPath());
        assertEquals("/error/notFound.jsp", FessHtmlPath.path_Error_NotFoundJsp.getRoutingPath());
        assertEquals("/error/redirect.jsp", FessHtmlPath.path_Error_RedirectJsp.getRoutingPath());

     * @param message the error message
     * @param e the underlying exception that caused this error
     */
    public DataStoreCrawlingException(final String url, final String message, final Exception e) {
        this(url, message, e, false);
    }

    /**
     * Creates a new DataStoreCrawlingException with the specified URL, message, cause, and abort flag.
     *

        // Execute
        String result = purgeLogJob.execute();

        // Assert all error messages in result
        assertTrue(result.contains("Crawling error"));
        assertTrue(result.contains("Search error"));
        assertTrue(result.contains("Job error"));
        assertTrue(result.contains("Status error"));
    }

    // Test mixed success and skip
    public void test_execute_mixedSuccessAndSkip() {

        Throwable cause = new RuntimeException("Runtime error");
        CommandExecutionException exception = new CommandExecutionException(null, cause);

        assertNotNull(exception);
        assertNull(exception.getMessage());
        assertEquals(cause, exception.getCause());
        assertEquals("Runtime error", exception.getCause().getMessage());
    }

) : RoutePlanner.Plan {
  override val isReady = true

  override fun connectTcp() = error("already connected")

  override fun connectTlsEtc() = error("already connected")

  override fun handleSuccess() = connection

  override fun cancel() = error("unexpected cancel")

  override fun retry() = error("unexpected retry")

     * @throws IOException if an I/O error occurs
     */
    public PacDataInputStream(final InputStream in) throws IOException {
        this.dis = new DataInputStream(in);
        this.size = in.available();
    }

    /**
     * Aligns the stream position to the specified boundary.
     * @param mask the alignment mask (typically 2, 4, or 8)
     * @throws IOException if an I/O error occurs
     */

open class FailingCall : Call {
  override fun request(): Request = error("unexpected")

  override fun execute(): Response = error("unexpected")

  override fun enqueue(responseCallback: Callback): Unit = error("unexpected")

  override fun cancel(): Unit = error("unexpected")

  override fun isExecuted(): Boolean = error("unexpected")

  override fun isCanceled(): Boolean = error("unexpected")

 * to create an exception instance with a message, a cause, or both.
 *
 * <p>Usage examples:</p>
 * <pre>
 * throw new SuggesterException("An error occurred");
 * throw new SuggesterException(new IOException("IO error"));
 * throw new SuggesterException("An error occurred", new IOException("IO error"));
 * </pre>
 *
 * @see RuntimeException
 */
public class SuggesterException extends RuntimeException {

      }
    }

    override fun iterator() = error("unsupported")

    override fun offer(e: T) = error("unsupported")

    override fun peek(): T = error("unsupported")

    override fun offer(
      element: T,
      timeout: Long,
      unit: TimeUnit,
    ) = error("unsupported")

    override fun take() = error("unsupported")