log.info("Successfully unregistered witness: {}", 
                        registration.getRegistrationId());
                } else {
                    log.warn("Failed to unregister witness: {}", response.getError());
                }
                
            } catch (Exception e) {
                log.error("Error during witness unregistration", e);
            }

                for (CircuitBreakerListener listener : listeners) {
                    try {
                        listener.onCallRejected(this);
                    } catch (Exception ex) {
                        log.warn("Listener threw exception", ex);
                    }
                }

                throw new CircuitOpenException("Circuit breaker '" + name + "' is open");
            }

            try {
                duplicateHostService.store(entity);
                saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                        this::asEditHtml);
            }

            if (state.compareAndSet(State.HALF_OPEN, State.OPEN)) {
                stateChangeTime.set(System.currentTimeMillis());
                consecutiveFailures.set(1);
                log.warn("Circuit breaker {} reopened due to failure in HALF_OPEN state", name);
            }
        } else if (current == State.CLOSED) {
            int failures = consecutiveFailures.incrementAndGet();

                    badWordService.exportCsv(writer);
                } catch (final Exception e) {
                    logger.warn("Failed to process a request.", e);
                    throwValidationError(messages -> messages.addErrorsFailedToDownloadBadwordFile(GLOBAL), this::asDownloadHtml);
                }

                final URI resourceUri;
                try {
                    resourceUri = resource.toURI();
                } catch (final URISyntaxException e) {
                    logger.warn("Invalid URI for resource: url={}", resource, e);
                    continue;
                }

                if ("file".equals(resourceUri.getScheme())) {

            try (InputStream inputStream = form.charMappingFile.getInputStream()) {
                file.update(inputStream);
            } catch (final IOException e) {
                logger.warn("Failed to process a request.", e);
                throwValidationError(messages -> messages.addErrorsFailedToUploadMappingFile(GLOBAL),
                        () -> redirectWith(getClass(), moreUrl("uploadpage/" + form.dictId)));

            default:
                logger.warn("Failed to access object with error code {}: bucket={}, path={}", code, bucketName, path, e);
                break;
            }
        } catch (final Exception e) {
            logger.warn("Failed to get object: bucket={}, path={}", bucketName, path, e);
        }
        return null;
    }

    /**

            if (e.getCause() == null) {
                logger.debug(e.getMessage());
            } else {
                logger.warn("Failed to process thumbnail: id={}", id, e);
            }
        } catch (final Exception e) {
            logger.warn("Failed to process thumbnail: id={}", id, e);
        }
        return false;
    }

    /**

                    log.debug("NtlmHttpFilter: " + ntlm + " successfully authenticated against " + dc);
                }
            } catch (final SmbAuthException sae) {
                log.warn("NtlmHttpFilter: " + ntlm.getName() + ": 0x" + jcifs.util.Hexdump.toHexString(sae.getNtStatus(), 8) + ": " + sae);
                if (sae.getNtStatus() == NtStatus.NT_STATUS_ACCESS_VIOLATION) {
                    /*