// Due to the implementation of the two services we know that both are now failed.  So the
    // following awaitHealthy call is just to get the exception.
    manager.startAsync();
    assertThat(manager.servicesByState().get(State.FAILED)).hasSize(2);
    IllegalStateException e =
        assertThrows(IllegalStateException.class, () -> manager.awaitHealthy());
    assertThat(e)

                if (log.isTraceEnabled()) {
                    log.trace("Failed to send nameservice request for " + name.name, ioe);
                }
                throw new UnknownHostException(name.name);
            } catch (final IOException ioe) {
                log.info("Failed to send nameservice request for " + name.name, ioe);
                throw new UnknownHostException(name.name);

  /** Records a failure connecting to [failedRoute]. */
  @Synchronized fun failed(failedRoute: Route) {
    _failedRoutes.add(failedRoute)
  }

  /** Records success connecting to [route]. */
  @Synchronized fun connected(route: Route) {
    _failedRoutes.remove(route)
  }

  /** Returns true if [route] has failed recently and should be avoided. */

                    builder.setCredentials(credentials);
                } catch (final IOException e) {
                    throw new StorageException("Failed to load GCS credentials from " + credentialsPath, e);
                }
            }
            // If no credentials path, uses default credentials (GOOGLE_APPLICATION_CREDENTIALS env var)
        }

            reload(updater, curlResponse.getContentAsStream());
        } catch (final IOException e) {
            throw new DictionaryException("Failed to parse " + path, e);
        }
    }

    /**
     * Reloads the dictionary file with the specified updater and input stream.
     * @param updater the updater to use for processing items

 * previous callable has returned -- and, if the previous callable was an {@link AsyncCallable}, not
 * until the {@code Future} it returned is {@linkplain Future#isDone done} (successful, failed, or
 * cancelled).
 *
 * <p>This class serializes execution of <i>submitted</i> tasks but not any <i>listeners</i> of
 * those tasks.
 *

                    log.error("Failed to create child URL", e);
                    continue;
                }
            }
            try (SmbResource nr = adapt(n)) {
                if (!this.filter.accept(nr)) {
                    continue;
                }
                return nr;
            } catch (final CIFSException e) {
                log.error("Failed to apply filter", e);
                continue;

                    String errorMsg = response != null ? response.getError() : "Response was null";
                    throw new IOException("Witness registration failed: " + errorMsg);
                }

            } catch (Exception e) {
                log.error("Failed to register for witness notifications", e);
                throw new RuntimeException(e);
            }
        });
    }

    /**

    assertLessThan(NEW, TERMINATED);

    assertLessThan(STARTING, RUNNING);
    assertLessThan(STARTING, STOPPING);
    assertLessThan(STARTING, FAILED);

    assertLessThan(RUNNING, STOPPING);
    assertLessThan(RUNNING, FAILED);

    assertLessThan(STOPPING, FAILED);
    assertLessThan(STOPPING, TERMINATED);
  }

  private static <T extends Comparable<? super T>> void assertLessThan(T a, T b) {

        }
    }
    
    public void handleFailure(ChannelInfo failedChannel, Exception error) {
        log.warn("Channel {} failed: {}", failedChannel.getChannelId(), error.getMessage());
        
        // Mark channel as failed
        failedChannel.setState(ChannelState.FAILED);
        
        // Get or create failover state
        FailoverState state = failoverStates.computeIfAbsent(