onConnectListenerList.forEach(l -> {
                try {
                    l.onConnect();
                } catch (final Exception e) {
                    logger.warn("Failed to invoke " + l, e);
                }
            });

            connected = true;
        } else {
            logger.warn("Could not connect to {}", address);
        }
    }

    /**

                sb.append(line).append(System.lineSeparator());
            }
            return UserDictionary.open(new StringReader(sb.toString()));
        } catch (IOException e) {
            throw new OpenSearchException("failed to load kuromoji user dictionary", e);
        }
    }

    public static JapaneseTokenizer.Mode getMode(Settings settings) {
        JapaneseTokenizer.Mode mode = JapaneseTokenizer.DEFAULT_MODE;

                    consumer.accept(response, httpEntity);
                } catch (final Exception e) {
                    request.abort();
                    logger.warn("Failed to authenticate on " + scheme, e);
                } finally {
                    EntityUtils.consumeQuietly(httpEntity);
                }
            });
        });

                        }
                    }
                }
            } catch (final IOException e) {
                logger.warn("Failed to parse annotation.", e);
            }
        }
    }

    /**
     * Extracts text from an embedded file using the appropriate extractor.
     * @param filename the filename of the embedded file

            final XPathFactory factory = XPathFactory.newInstance();
            builder.accept(factory);
            return factory.newXPath();
        } catch (final Exception e) {
            throw new CrawlerSystemException("Failed to create XPath instance.", e);
        }
    }

    /**
     *  Use an XPath string to select a nodelist.
     *  XPath namespace prefixes are resolved from the contextNode.
     *

        } catch (final Exception e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Failed to index from document", e);
            }
            throw new SuggestIndexException("Failed to index from document", e);
        }
    }

    private void printProcessingInfo(final String type, final int size, final SuggestItem[] items, final long parseTime,

            throw new ExtractException("Failed to extract data.", e);
        } finally {
            if (dfos != null && !dfos.isInMemory()) {
                final File file = dfos.getFile();
                try {
                    Files.delete(file.toPath());
                } catch (final IOException e) {
                    logger.warn("Failed to delete {}.", file.getAbsolutePath(), e);
                }

    @PreDestroy
    public void destroy() {
        if (httpClient != null) {
            try {
                httpClient.close();
            } catch (final IOException e) {
                logger.error("Failed to close httpClient.", e);
            }
        }
    }

    /**
     * Extracts text from the input stream using the API endpoint.
     *
     * @param in the input stream to extract text from

                    }
                }
            }

            return robotsTxt;
        } catch (final Exception e) {
            throw new RobotsTxtException("Failed to parse robots.txt.", e);
        }
    }

    /**
     * Extracts the value from a line using the given pattern.
     * @param pattern the pattern to match against

                    list.add(line.trim());
                }
            }
        } catch (final Exception e) {
            throw new SuggestSettingsException("Failed to load default badwords.", e);
        }
        defaultWords = list.toArray(new String[list.size()]);
    }