* Handle channel failure
     *
     * @param failedChannel failed channel
     * @param error error that caused failure
     */
    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

    }

    /**
     * Mark request as failed with error
     *
     * @param error exception that caused the failure
     */
    public void markFailed(Exception error) {
        this.error = error;
        this.completed = true;
    }

    /**
     * Get error if request failed
     *
     * @return exception if failed, null if successful
     */
    public Exception getError() {

                logger.info("Created storage bucket: {}", bucket);
            } catch (final Exception e1) {
                logger.warn("Failed to create storage bucket: {}", bucket, e1);
            }
        } catch (final Exception e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Failed to check bucket: {}", bucket, e);
            }
        }
    }

    @Override
    public boolean isAvailable() {

    /** The key of the message: Failed to start a job: {0}. */
    public static final String ERRORS_failed_to_start_job = "{errors.failed_to_start_job}";

    /** The key of the message: Failed to stop a job: {0}. */
    public static final String ERRORS_failed_to_stop_job = "{errors.failed_to_stop_job}";

    /** The key of the message: Failed to download a synonym file. */

            }
        } catch (final Exception e) {
            logger.error("Failed to purge user info.", e);
            resultBuf.append(e.getMessage()).append("\n");
        }

        // update job logs
        try {
            jobLogService.updateStatus();
        } catch (final Exception e) {
            logger.error("Failed to purge job logs.", e);
            resultBuf.append(e.getMessage()).append("\n");

                } else {
                    // Remove failed handle
                    handles.remove(path);
                    guidToHandle.remove(info.getCreateGuid());
                    removePersistedHandle(info);
                    log.warn("Reconnection failed, removed handle for: {}", path);
                }
            }
        } finally {

            } else {
                response.setError(message.getErrorMessage());
                log.warn("Witness registration failed: {}", message.getErrorMessage());
            }

            return response;

        } catch (Exception e) {
            throw new IOException("Witness register RPC failed", e);
        }
    }

    /**
     * Performs witness unregistration.
     *

            }
        }
        return Result.FAILED;
    }

    /**
     * Enumeration representing the possible results of thumbnail image processing.
     */
    protected enum Result {
        /** Thumbnail was successfully generated */
        OK,
        /** Thumbnail generation failed due to processing errors */
        FAILED,
        /** Image dimensions do not meet validation requirements */

                    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)
        }

            log.debug("Failed to get info", e);
            return super.toString();
        }
    }

    @Override
    public void dispose() throws SmbException {
        if (this.gssContext != null) {
            try {
                this.gssContext.dispose();
            } catch (GSSException e) {
                throw new SmbException("Context disposal failed", e);
            }
        }