[1040] PDOException in Connection.php line 282

SQLSTATE[08004] [1040] Too many connections

                $this->resultSetType = $config['resultset_type'];
            }
            try {
                if (empty($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 282
at PDO->__construct('mysql:dbname=zp_stoc...', 'root', '516636cf05', [1, 0, 2, ...]) in Connection.php line 282
at Connection->connect() in Connection.php line 845
at Connection->initConnect(true) in Mysql.php line 52
at Mysql->getFields('gf_nav') in Query.php line 1482
at Query->getTableInfo('gf_nav', 'type') in Query.php line 1530
at Query->getFieldsType(['field' => ['id', 'title', 'url'], 'where' => ['AND' => ['parentid' => ['eq', 0], 'status' => ['eq', 1]]], 'order' => 'orderid', ...]) in Query.php line 1536
at Query->getFieldsBind(['field' => ['id', 'title', 'url'], 'where' => ['AND' => ['parentid' => ['eq', 0], 'status' => ['eq', 1]]], 'order' => 'orderid', ...]) in Builder.php line 245
at Builder->buildWhere(['AND' => ['parentid' => ['eq', 0], 'status' => ['eq', 1]]], ['field' => ['id', 'title', 'url'], 'where' => ['AND' => ['parentid' => ['eq', 0], 'status' => ['eq', 1]]], 'order' => 'orderid', ...]) in Builder.php line 223
at Builder->parseWhere(['AND' => ['parentid' => ['eq', 0], 'status' => ['eq', 1]]], ['field' => ['id', 'title', 'url'], 'where' => ['AND' => ['parentid' => ['eq', 0], 'status' => ['eq', 1]]], 'order' => 'orderid', ...]) in Builder.php line 638
at Builder->select(['field' => ['id', 'title', 'url'], 'where' => ['AND' => ['parentid' => ['eq', 0], 'status' => ['eq', 1]]], 'order' => 'orderid', ...]) in Query.php line 1959
at Query->select() in Base.php line 18
at Base->_initialize() in Controller.php line 57
at Controller->__construct(object(Request))
at ReflectionClass->newInstanceArgs([object(Request)]) in App.php line 253
at App::invokeClass('app\index\controller...') in Loader.php line 410
at Loader::controller('product', 'controller', false, 'Error') in App.php line 379
at App::module(['index', 'product', 'detail'], ['app_namespace' => 'app', 'app_debug' => true, 'app_trace' => false, ...], null) in App.php line 140
at App::run() in start.php line 18
at require('/alidata/www/stock/t...') in index.php line 24

Environment Variables

GET Data
id	91

Server/Request Data
REDIRECT_STATUS	200
HTTP_USER_AGENT	Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko
HTTP_HOST	www.zyddcm.com
HTTP_ACCEPT	/
PATH	/sbin:/usr/sbin:/bin:/usr/bin
LD_LIBRARY_PATH	/alidata/server/httpd/lib
SERVER_SIGNATURE
SERVER_SOFTWARE	Apache/2.4.2 (Unix) PHP/5.5.7
SERVER_NAME	www.zyddcm.com
SERVER_ADDR	10.100.10.9
SERVER_PORT	80
REMOTE_ADDR	107.165.144.242
DOCUMENT_ROOT	/alidata/www/stock
REQUEST_SCHEME	http
CONTEXT_PREFIX
CONTEXT_DOCUMENT_ROOT	/alidata/www/stock
SERVER_ADMIN	you@example.com
SCRIPT_FILENAME	/alidata/www/stock/index.php
REMOTE_PORT	48962
REDIRECT_QUERY_STRING	s=index/product/detail&id=91
REDIRECT_URL	/index/product/detail
GATEWAY_INTERFACE	CGI/1.1
SERVER_PROTOCOL	HTTP/1.1
REQUEST_METHOD	GET
QUERY_STRING	s=index/product/detail&id=91
REQUEST_URI	/index/product/detail?id=91
SCRIPT_NAME	/index.php
PHP_SELF	/index.php
REQUEST_TIME_FLOAT	1653113251.924
REQUEST_TIME	1653113251
PATH_INFO	index/product/detail

ThinkPHP Constants
APP_PATH	/alidata/www/stock/application/
APP_DEBUG	true
THINK_VERSION	5.0.4
THINK_START_TIME	1653113251.9248
THINK_START_MEM	230304
EXT	.php
DS	/
THINK_PATH	/alidata/www/stock/thinkphp/
LIB_PATH	/alidata/www/stock/thinkphp/library/
CORE_PATH	/alidata/www/stock/thinkphp/library/think/
TRAIT_PATH	/alidata/www/stock/thinkphp/library/traits/
ROOT_PATH	/alidata/www/stock/
EXTEND_PATH	/alidata/www/stock/extend/
VENDOR_PATH	/alidata/www/stock/vendor/
RUNTIME_PATH	/alidata/www/stock/runtime/
LOG_PATH	/alidata/www/stock/runtime/log/
CACHE_PATH	/alidata/www/stock/runtime/cache/
TEMP_PATH	/alidata/www/stock/runtime/temp/
CONF_PATH	/alidata/www/stock/application/
CONF_EXT	.php
ENV_PREFIX	PHP_
IS_CLI	false
IS_WIN	false