tree.release();
                            } catch (Exception e) {
                                log.debug("Error during emergency tree cleanup", e);
                            }
                        }
                        this.trees.clear();
                    } catch (Exception e) {
                        log.debug("Error clearing trees during emergency cleanup", e);

                } catch (final IOException e) {
                    throw new IORuntimeException(e);
                }
                return true;
            }, OptionalThing.empty());
            response.flushBuffer();
            if (logger.isDebugEnabled()) {
                logger.debug("Loaded {} documents", count);
            }

        } catch (final IOException e) {
            closeResources(httpRequest, responseData);
            throw new CrawlingAccessException("I/O exception(" + e.getMessage() + "): " + url, e);
        } catch (final CrawlerSystemException e) {
            closeResources(httpRequest, responseData);
            throw e;
        } catch (final Exception e) {
            closeResources(httpRequest, responseData);

        } catch (Exception e) {
            log.warn("Failed to create authenticated context, trying guest access", e);
            context = SingletonContext.getInstance();
        }

        // Wait for server to be ready - with proper error handling for CI environments
        try {
            waitForServerReady();
        } catch (RuntimeException e) {

            if (responseData.getCharSet() != null) {
                is.setEncoding(responseData.getCharSet());
            }
            parser.parse(is);
        } catch (final Exception e) {
            throw new CrawlingAccessException("Could not parse " + responseData.getUrl(), e);
        }

        final Document document = parser.getDocument();

            circuitBreaker.call(() -> {
                try {
                    doConnectInternal();
                    return null;
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            });
        } catch (SimpleCircuitBreaker.CircuitBreakerOpenException e) {
            // Log circuit breaker rejection

            if (StringUtils.isEmpty(nonce) || !nonce.equals(stateData.getNonce())) {
                throw new SsoLoginException("could not validate nonce");
            }
        } catch (final SsoLoginException e) {
            throw e;
        } catch (final Exception e) {
            throw new SsoLoginException("could not validate nonce", e);
        }
    }

    /**
     * Obtains an access token using a refresh token.

                    isBind = true;
                }
            } catch (final LdapConfigurationException e) {
                logger.warn("LDAP configuration error: {}", e.getMessage(), e);
            } catch (final LdapOperationException e) {
                logger.warn("LDAP connection failed: {}", e.getMessage(), e);
            } catch (final Exception e) {

    } catch (UnsupportedOperationException expected) {
    }
    try {
      unmod.putAll(singletonMap(4, "four"));
      fail("UnsupportedOperationException expected");
    } catch (UnsupportedOperationException expected) {
    }
    try {
      unmod.remove(4);
      fail("UnsupportedOperationException expected");
    } catch (UnsupportedOperationException expected) {
    }

l[o]=(s?"#"+s:":scope")+" "+Q(l[o]);c=l.join(",")}try{return k.apply(n,f.querySelectorAll(c)),n}catch(e){h(t,!0)}finally{s===S&&e.removeAttribute("id")}}}return re(t.replace(ve,"$1"),e,n,r)}function W(){var r=[];return function e(t,n){return r.push(t+" ")>b.cacheLength&&delete e[r.shift()],e[t+" "]=n}}function F(e){return e[S]=!0,e}function $(e){var t=T.createElement("fieldset");try{return!!e(t)}catch(e){return!1}finally{t.parentNode&&t.parentNode.removeChild(t),t=null}}function B(t){return function(e){return...