PDOException Object
(
    [message:protected] => SQLSTATE[HY000] [1040] Too many connections
    [string:Exception:private] => 
    [code:protected] => 1040
    [file:protected] => /alidata/www/default/protected/framework/Model.php
    [line:protected] => 146
    [trace:Exception:private] => Array
        (
            [0] => Array
                (
                    [file] => /alidata/www/default/protected/framework/Model.php
                    [line] => 146
                    [function] => __construct
                    [class] => PDO
                    [type] => ->
                    [args] => Array
                        (
                            [0] => mysql:dbname=jht_knowledge_base;host=39.108.129.40;port=4040
                            [1] => oldproject
                            [2] => uhr9pgXj
                            [3] => Array
                                (
                                    [1002] => SET NAMES 'utf8'
                                )

                        )

                )

            [1] => Array
                (
                    [file] => /alidata/www/default/protected/framework/Model.php
                    [line] => 81
                    [function] => _connect
                    [class] => Model
                    [type] => ->
                    [args] => Array
                        (
                        )

                )

            [2] => Array
                (
                    [file] => /alidata/www/default/protected/models/Record.php
                    [line] => 17
                    [function] => __construct
                    [class] => Model
                    [type] => ->
                    [args] => Array
                        (
                            [0] => 
                        )

                )

            [3] => Array
                (
                    [file] => /alidata/www/default/protected/framework/core2.php
                    [line] => 143
                    [function] => __construct
                    [class] => Record
                    [type] => ->
                    [args] => Array
                        (
                        )

                )

            [4] => Array
                (
                    [file] => /alidata/www/default/protected/app/jinhuatuo/controllers/DefaultController.php
                    [line] => 205
                    [function] => obj
                    [args] => Array
                        (
                            [0] => Record
                        )

                )

            [5] => Array
                (
                    [file] => /alidata/www/default/protected/framework/core2.php
                    [line] => 81
                    [function] => actionList
                    [class] => DefaultController
                    [type] => ->
                    [args] => Array
                        (
                        )

                )

            [6] => Array
                (
                    [file] => /alidata/www/default/index.php
                    [line] => 5
                    [args] => Array
                        (
                            [0] => /alidata/www/default/protected/framework/core2.php
                        )

                    [function] => require
                )

        )

    [previous:Exception:private] => 
    [errorInfo] => 
)