SQLSTATE[HY000] [1040] Too many connections

Call Stack

1. in Connection.php line 527
2. at PDO->__construct('mysql:host=127.0.0.1...', 'puji', 'zt0611', [0, 2, 0, ...]) in Connection.php line 527
3. at Connection->connect() in Connection.php line 1965
4. at Connection->initConnect(false) in Connection.php line 650
5. at Connection->query('SHOW COLUMNS FROM `s...', [], false, true) in Mysql.php line 90
6. at Mysql->getFields('`sx_column`') in Connection.php line 376
7. at Connection->getTableInfo('sx_column', 'bind') in Connection.php line 453
8. at Connection->getFieldsBind('sx_column') in Builder.php line 287
9. at Builder->buildWhere(object(Query), ['AND' => ['bigclass=161 and no_order>0' => ['', 'exp', 'bigclass=161 and no_...']]]) in Builder.php line 259
10. at Builder->parseWhere(object(Query), ['AND' => ['bigclass=161 and no_order>0' => ['', 'exp', 'bigclass=161 and no_...']]]) in Builder.php line 979
11. at Builder->select(object(Query)) in Connection.php line 925
12. at Connection->select(object(Query)) in Query.php line 2590
13. at Query->select() in Base.php line 13
14. at Base->initialize() in Controller.php line 70
15. at Controller->__construct()
16. at ReflectionClass->newInstanceArgs([]) in Container.php line 305
17. at Container->invokeClass('app\index\controller...', []) in Container.php line 193
18. at Container->make('app\index\controller...') in App.php line 875
19. at App->__get('app\index\controller...') in App.php line 606
20. at App->controller('product', 'controller', false, 'Error') in Module.php line 98
21. at Module->run() in App.php line 377
22. at App->think\{closure}(object(Request), object(Closure), null)
23. at call_user_func_array(object(Closure), [object(Request), object(Closure), null]) in Middleware.php line 100
24. at Middleware->think\{closure}(object(Request))
25. at call_user_func(object(Closure), object(Request)) in Middleware.php line 66
26. at Middleware->dispatch(object(Request)) in App.php line 398
27. at App->run() in index.php line 21