}
                }

                // Emergency cleanup of trees
                if (this.trees != null) {
                    try {
                        // Clear all tree references
                        for (SmbTreeImpl tree : this.trees) {
                            try {
                                // Force release trees during emergency cleanup

                // Ignore listing errors during cleanup
                log.debug("Error listing files during cleanup", e);
            }
        }

        try {
            file.delete();
        } catch (SmbException e) {
            // Ignore deletion errors during cleanup
            log.debug("Error deleting file during cleanup", e);
        }
    }

# Pattern for environment variable keys in crawling data.
crawler.data.env.param.key.pattern=^FESS_ENV_.*
# Whether to ignore robots.txt during crawling.
crawler.ignore.robots.txt=false
# Whether to ignore robots meta tags during crawling.
crawler.ignore.robots.tags=false
# Whether to ignore content exceptions during crawling.
crawler.ignore.content.exception=true
# HTTP status codes considered as failure URLs.
crawler.failure.url.status.codes=404

            } catch (final LdapOperationException e) {
                logger.warn("LDAP connection failed: {}", e.getMessage(), e);
            } catch (final Exception e) {
                logger.warn("Unexpected error during LDAP validation: {}", e.getMessage(), e);
            }
        }
        return isBind;
    }

    /**
     * Authenticates a user with the specified username and password against LDAP.
     *

                    this.socket.close();
                } catch (final IOException ioe) {
                    log.debug("Failed to close socket", ioe);
                }
                throw new SmbException("EOF during NetBIOS session request");
            }
            switch (this.sbuf[0] & 0xFF) {
            case SessionServicePacket.POSITIVE_SESSION_RESPONSE:
                if (log.isDebugEnabled()) {

        }
        return split(value, ",").get(stream -> stream.filter(StringUtil::isNotBlank).map(String::trim).collect(Collectors.toList()));
    }

    /**
     * Represents state data stored during the OAuth2 authentication flow.
     */
    protected static class StateData {
        private final String nonce;
        private final long expiration;

        /**