*
     * @param from The previous state that is being transitioned from. Failure can occur in any
     *     state with the exception of {@linkplain State#NEW NEW} or {@linkplain State#TERMINATED
     *     TERMINATED}.
     * @param failure The exception that caused the failure.
     */
    public void failed(State from, Throwable failure) {}
  }

            ),
        )
      }
      else -> {
        val failure =
          ProtocolException(
            "Too many tunnel connections attempted: $MAX_TUNNEL_ATTEMPTS",
          )
        user.connectFailed(route, null, failure)
        return ConnectResult(plan = this, throwable = failure)
      }
    }
  }

  @Throws(IOException::class)
  private fun connectTls(

      }
    }

    @Override
    public void failed(State from, Throwable failure) {
      ServiceManagerState state = this.state.get();
      if (state != null) {
        // Log before the transition, so that if the process exits in response to server failure,
        // there is a higher likelihood that the cause will be in the logs.
        boolean log = !(service instanceof NoOpService);

            }
            logger.warn("Failed to store a failure url.", e);
        }

        super.processCrawlingException(objs);
        if (objs.length > 1 && objs[1] instanceof final UrlQueue<?> urlQueue) {
            ComponentUtil.getCrawlerStatsHelper().record(urlQueue, StatsAction.ACCESS_EXCEPTION);
        }
    }

    /**
     * Stores a failure URL with error information for later analysis.
     *

    check(rule.startsWith(WILDCARD_CHAR)) {
      """Wildcard Assertion Failure: '$rule'
A wildcard rule was added with a wildcard that is not in leftmost position! We'll need to change the ${PublicSuffixDatabase::class.java.name} to handle this."""
    }
    check(rule.indexOf(WILDCARD_CHAR, 1) == -1) {
      """Wildcard Assertion Failure: '$rule'

labels.errorName=Error Name
labels.expiredTime=Expired Time
labels.expires=Expires
labels.failureCountThreshold=Failure Count
labels.fileConfigName=File Crawl Config Name
labels.fileName=File Name
labels.handlerName=Handler Name
labels.handlerParameter=Parameter
labels.handlerScript=Script
labels.popularWord=Popular Word
labels.ignoreFailureType=Ignored Failure Type
labels.lastAccessTime=Last Access Time
labels.notificationTo=Notification To
labels.num=Num

    call: Call,
    inetSocketAddress: InetSocketAddress,
    proxy: Proxy,
    protocol: Protocol?,
  ) {
  }

  /**
   * Invoked when a connection attempt fails. This failure is not terminal if further routes are
   * available and failure recovery is enabled.
   *
   * If the `call` uses HTTPS, this will be invoked after [secureConnectStart], otherwise it will
   * invoked after [connectStart].
   */

        Throwable level1 = new RuntimeException("Runtime error", level2);
        PluginException exception = new PluginException("Plugin failure", level1);

        // Verify the complete chain
        assertEquals("Plugin failure", exception.getMessage());
        assertEquals(level1, exception.getCause());
        assertEquals("Runtime error", exception.getCause().getMessage());

    try {
      testHttpUrl(testData)
      if (KNOWN_FAILURES.contains(testData.toString())) {
        System.err.println("Expected failure but was success: $testData")
      }
    } catch (e: Throwable) {
      if (KNOWN_FAILURES.contains(testData.toString())) {
        System.err.println("Ignoring known failure: $testData")
        e.printStackTrace()
      } else {
        throw e
      }
    }
  }

     * <p>If the combiningCallable throws an {@code ExecutionException}, the cause of the thrown
     * {@code ExecutionException} will be extracted and used as the failure of the derived step.
     *
     * <p>If the combiningCallable throws any other exception, it will be used as the failure of the
     * derived step.
     *
     * <p>If an exception is thrown after the combiningCallable creates a {@code ClosingFuture},