SQLSTATE[HY000] [2002] Connection refused

Call Stack

1. in Connection.php line 295
2. at PDO->__construct('mysql:host=127.0.0.1...', 'estrongchem_com', 'aNLrcnFmedRGHHEr', [0, 2, 0, ...]) in Connection.php line 295
3. at Connection->connect() in Connection.php line 995
4. at Connection->initConnect(false) in Connection.php line 348
5. at Connection->query('SHOW COLUMNS FROM `y...', [], false, true) in Mysql.php line 65
6. at Mysql->getFields('`yc_cms_archives`') in Query.php line 1921
7. at Query->getTableInfo('yc_cms_archives', 'type') in Query.php line 1969
8. at Query->getFieldsType('yc_cms_archives') in Query.php line 1975
9. at Query->getFieldsBind('yc_cms_archives') in Builder.php line 270
10. at Builder->buildWhere(['AND' => ['status' => 'normal', 'deletetime' => ['exp', object(Expression)]]], ['soft_delete' => ['__TABLE__.deletetime', ['null', '']], 'via' => '', 'with' => ['channel'], ...]) in Builder.php line 240
11. at Builder->parseWhere(['AND' => ['status' => 'normal', 'deletetime' => ['exp', object(Expression)]]], ['soft_delete' => ['__TABLE__.deletetime', ['null', '']], 'via' => '', 'with' => ['channel'], ...]) in Builder.php line 725
12. at Builder->select(['soft_delete' => ['__TABLE__.deletetime', ['null', '']], 'via' => '', 'with' => ['channel'], ...]) in Query.php line 2511
13. at Query->select() in Query.php line 1487
14. at Query->paginate('10', true, ['type' => '\addons\cms\library\...', 'var_page' => 'page', 'list_rows' => 15, ...]) in Archives.php line 484
15. at Archives::getArchivesList(['cache' => false, 'paginate' => '10,true,page']) in Index.php line 30
16. at Index->index()
17. at call_user_func_array([object(Index), 'index'], []) in Route.php line 78
18. at Route->execute('cms', 'index', 'index')
19. at ReflectionMethod->invokeArgs(object(Route), ['cms', 'index', 'index']) in App.php line 343
20. at App::invokeMethod(['\think\addons\Route', 'execute'], ['case' => 'archive', 'act' => 'list', 'catid' => '20', ...]) in App.php line 470
21. at App::exec(['type' => 'method', 'method' => ['\think\addons\Route', 'execute'], 'var' => ['addon' => 'cms', 'controller' => 'index', 'action' => 'index']], ['app_host' => '', 'app_debug' => true, 'app_trace' => false, ...]) in App.php line 139
22. at App::run() in start.php line 19
23. at require('/www/wwwroot/estrong...') in index.php line 23