[2002] PDOException in Connection.php line 293

SQLSTATE[HY000] [2002] Connection refused

                $this->fetchType = $config['result_type'];
            }
            try {
                if (empty($config['dsn'])) {
                    $config['dsn'] = $this->parseDsn($config);
                }
                if ($config['debug']) {
                    $startTime = microtime(true);
                }
                $this->links[$linkNum] = new PDO($config['dsn'], $config['username'], $config['password'], $params);
                if ($config['debug']) {
                    // 记录数据库连接信息
                    Log::record('[ DB ] CONNECT:[ UseTime:' . number_format(microtime(true) - $startTime, 6) . 's ] ' . $config['dsn'], 'sql');
                }
            } catch (\PDOException $e) {
                if ($autoConnection) {
                    Log::record($e->getMessage(), 'error');
                    return $this->connect($autoConnection, $linkNum);
                } else {

Call Stack

in Connection.php line 293
at PDO->__construct('mysql:dbname=;host=1...', 'root', '', [0, 2, 0, ...]) in Connection.php line 293
at Connection->connect() in Connection.php line 968
at Connection->initConnect(false) in Mysql.php line 54
at Mysql->getFields('redirecturl') in Query.php line 1739
at Query->getTableInfo('redirecturl', 'type') in Query.php line 1787
at Query->getFieldsType('redirecturl') in Query.php line 1793
at Query->getFieldsBind('redirecturl') in Builder.php line 254
at Builder->buildWhere([], ['order' => ['id desc'], 'table' => 'redirecturl', 'where' => [], ...]) in Builder.php line 224
at Builder->parseWhere([], ['order' => ['id desc'], 'table' => 'redirecturl', 'where' => [], ...]) in Builder.php line 673
at Builder->select(['order' => ['id desc'], 'table' => 'redirecturl', 'where' => [], ...]) in Query.php line 2306
at Query->select() in common.php line 25
at redirecturl() in Common.php line 16
at Common->_initialize() in Controller.php line 56
at Controller->__construct(object(Request))
at ReflectionClass->newInstanceArgs([object(Request)]) in App.php line 215
at App::invokeClass('app\index\controller...') in Loader.php line 420
at Loader::controller('show', 'controller', false, 'Error') in App.php line 390
at App::module(['index', 'show', 'index'], ['app_debug' => true, 'app_trace' => false, 'app_status' => '', ...], true) in App.php line 295
at App::exec(['type' => 'module', 'module' => ['index', 'show', 'index']], ['app_debug' => true, 'app_trace' => false, 'app_status' => '', ...]) in App.php line 123
at App::run() in start.php line 18
at require('/www/wwwroot/en.dfmc...') in index.php line 8

Environment Variables

GET Data

etitle

232

ctitle

ForMinesandMineralProcessing

POST Data

empty

Files

empty

Cookies

server_name_session

9a95da0e53ec1e3420717485a0c7245d

Session

empty

Server/Request Data

USER

www

HOME

/home/www

HTTP_COOKIE

server_name_session=9a95da0e53ec1e3420717485a0c7245d

HTTP_ACCEPT_ENCODING

gzip, br, zstd, deflate

HTTP_USER_AGENT

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

HTTP_ACCEPT

*/*

PATH_INFO

index/show/index

HTTP_HOST

en.dfmc.cc

REDIRECT_STATUS

200

SERVER_NAME

en.dfmc.cc

SERVER_PORT

443

SERVER_ADDR

172.31.170.63

REMOTE_PORT

63119

REMOTE_ADDR

216.73.216.183

SERVER_SOFTWARE

nginx/1.26.1

GATEWAY_INTERFACE

CGI/1.1

HTTPS

REQUEST_SCHEME

https

SERVER_PROTOCOL

HTTP/2.0

DOCUMENT_ROOT

/www/wwwroot/en.dfmc.cc

DOCUMENT_URI

/index.php

REQUEST_URI

/ForMinesandMineralProcessing/232.html

SCRIPT_NAME

/index.php

CONTENT_LENGTH

CONTENT_TYPE

REQUEST_METHOD

GET

QUERY_STRING

s=index/show/index&etitle=232&ctitle=ForMinesandMineralProcessing

SCRIPT_FILENAME

/www/wwwroot/en.dfmc.cc/index.php

FCGI_ROLE

RESPONDER

PHP_SELF

/index.php

REQUEST_TIME_FLOAT

1768302317.9639

REQUEST_TIME

1768302317

Environment Variables

empty

ThinkPHP Constants

APP_PATH

/www/wwwroot/en.dfmc.cc/app/

APP_AUTO_BUILD

true

APP_DEBUG

false

CONF_PATH

/www/wwwroot/en.dfmc.cc/config/

THINK_VERSION

5.0.9

THINK_START_TIME

1768302317.964

THINK_START_MEM

358816

EXT

.php

THINK_PATH

/www/wwwroot/en.dfmc.cc/system/

LIB_PATH

/www/wwwroot/en.dfmc.cc/system/library/

CORE_PATH

/www/wwwroot/en.dfmc.cc/system/library/think/

TRAIT_PATH

/www/wwwroot/en.dfmc.cc/system/library/traits/

ROOT_PATH

/www/wwwroot/en.dfmc.cc/

EXTEND_PATH

/www/wwwroot/en.dfmc.cc/app/extend/

VENDOR_PATH

/www/wwwroot/en.dfmc.cc/app/vendor/

RUNTIME_PATH

/www/wwwroot/en.dfmc.cc/caches/

LOG_PATH

/www/wwwroot/en.dfmc.cc/caches/log/

CACHE_PATH

/www/wwwroot/en.dfmc.cc/caches/cache/

TEMP_PATH

/www/wwwroot/en.dfmc.cc/caches/temp/

CONF_EXT

.php

ENV_PREFIX

PHP_

IS_CLI

false

IS_WIN

false

WAP_PRE