yii\db\Exception Object
(
    [errorInfo] => Array
        (
            [0] => HY000
            [1] => 2002
            [2] => php_network_getaddresses: getaddrinfo failed: Name or service not known
        )

    [message:protected] => SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Name or service not known
    [string:Exception:private] => 
    [code:protected] => 2002
    [file:protected] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/Connection.php
    [line:protected] => 648
    [trace:Exception:private] => Array
        (
            [0] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/Connection.php
                    [line] => 1067
                    [function] => open
                    [class] => yii\db\Connection
                    [type] => ->
                )

            [1] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/Connection.php
                    [line] => 1054
                    [function] => getMasterPdo
                    [class] => yii\db\Connection
                    [type] => ->
                )

            [2] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/mysql/QueryBuilder.php
                    [line] => 394
                    [function] => getSlavePdo
                    [class] => yii\db\Connection
                    [type] => ->
                )

            [3] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/mysql/QueryBuilder.php
                    [line] => 418
                    [function] => supportsFractionalSeconds
                    [class] => yii\db\mysql\QueryBuilder
                    [type] => ->
                )

            [4] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/mysql/QueryBuilder.php
                    [line] => 59
                    [function] => defaultTimeTypeMap
                    [class] => yii\db\mysql\QueryBuilder
                    [type] => ->
                )

            [5] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/base/BaseObject.php
                    [line] => 109
                    [function] => init
                    [class] => yii\db\mysql\QueryBuilder
                    [type] => ->
                )

            [6] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/QueryBuilder.php
                    [line] => 116
                    [function] => __construct
                    [class] => yii\base\BaseObject
                    [type] => ->
                )

            [7] => Array
                (
                    [function] => __construct
                    [class] => yii\db\QueryBuilder
                    [type] => ->
                )

            [8] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/di/Container.php
                    [line] => 411
                    [function] => newInstanceArgs
                    [class] => ReflectionClass
                    [type] => ->
                )

            [9] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/di/Container.php
                    [line] => 170
                    [function] => build
                    [class] => yii\di\Container
                    [type] => ->
                )

            [10] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/BaseYii.php
                    [line] => 345
                    [function] => get
                    [class] => yii\di\Container
                    [type] => ->
                )

            [11] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/mysql/Schema.php
                    [line] => 261
                    [function] => createObject
                    [class] => yii\BaseYii
                    [type] => ::
                )

            [12] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/Schema.php
                    [line] => 247
                    [function] => createQueryBuilder
                    [class] => yii\db\mysql\Schema
                    [type] => ->
                )

            [13] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/Connection.php
                    [line] => 884
                    [function] => getQueryBuilder
                    [class] => yii\db\Schema
                    [type] => ->
                )

            [14] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/Query.php
                    [line] => 157
                    [function] => getQueryBuilder
                    [class] => yii\db\Connection
                    [type] => ->
                )

            [15] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/Query.php
                    [line] => 304
                    [function] => createCommand
                    [class] => yii\db\Query
                    [type] => ->
                )

            [16] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/web/DbSession.php
                    [line] => 185
                    [function] => scalar
                    [class] => yii\db\Query
                    [type] => ->
                )

            [17] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/web/SessionHandler.php
                    [line] => 70
                    [function] => readSession
                    [class] => yii\web\DbSession
                    [type] => ->
                )

            [18] => Array
                (
                    [function] => read
                    [class] => yii\web\SessionHandler
                    [type] => ->
                )

            [19] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/web/Session.php
                    [line] => 152
                    [function] => session_start
                )

            [20] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/web/Session.php
                    [line] => 690
                    [function] => open
                    [class] => yii\web\Session
                    [type] => ->
                )

            [21] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyycontrollers/Controller.php
                    [line] => 78
                    [function] => get
                    [class] => yii\web\Session
                    [type] => ->
                )

            [22] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyymodules/admin/controllers/Controller.php
                    [line] => 18
                    [function] => init
                    [class] => app\cyycontrollers\Controller
                    [type] => ->
                )

            [23] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/base/BaseObject.php
                    [line] => 109
                    [function] => init
                    [class] => app\cyymodules\admin\controllers\Controller
                    [type] => ->
                )

            [24] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/base/Controller.php
                    [line] => 95
                    [function] => __construct
                    [class] => yii\base\BaseObject
                    [type] => ->
                )

            [25] => Array
                (
                    [function] => __construct
                    [class] => yii\base\Controller
                    [type] => ->
                )

            [26] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/di/Container.php
                    [line] => 411
                    [function] => newInstanceArgs
                    [class] => ReflectionClass
                    [type] => ->
                )

            [27] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/di/Container.php
                    [line] => 170
                    [function] => build
                    [class] => yii\di\Container
                    [type] => ->
                )

            [28] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/BaseYii.php
                    [line] => 345
                    [function] => get
                    [class] => yii\di\Container
                    [type] => ->
                )

            [29] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/base/Module.php
                    [line] => 666
                    [function] => createObject
                    [class] => yii\BaseYii
                    [type] => ::
                )

            [30] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/base/Module.php
                    [line] => 620
                    [function] => createControllerByID
                    [class] => yii\base\Module
                    [type] => ->
                )

            [31] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/base/Module.php
                    [line] => 612
                    [function] => createController
                    [class] => yii\base\Module
                    [type] => ->
                )

            [32] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/base/Module.php
                    [line] => 546
                    [function] => createController
                    [class] => yii\base\Module
                    [type] => ->
                )

            [33] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/web/Application.php
                    [line] => 103
                    [function] => runAction
                    [class] => yii\base\Module
                    [type] => ->
                )

            [34] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/base/Application.php
                    [line] => 384
                    [function] => handleRequest
                    [class] => yii\web\Application
                    [type] => ->
                )

            [35] => Array
                (
                    [file] => /www/wwwroot/rczm-manage/web/index.php
                    [line] => 26
                    [function] => run
                    [class] => yii\base\Application
                    [type] => ->
                )

        )

    [previous:Exception:private] => PDOException Object
        (
            [message:protected] => SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Name or service not known
            [string:Exception:private] => 
            [code:protected] => 2002
            [file:protected] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/Connection.php
            [line:protected] => 722
            [trace:Exception:private] => Array
                (
                    [0] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/Connection.php
                            [line] => 722
                            [function] => __construct
                            [class] => PDO
                            [type] => ->
                        )

                    [1] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/Connection.php
                            [line] => 637
                            [function] => createPdoInstance
                            [class] => yii\db\Connection
                            [type] => ->
                        )

                    [2] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/Connection.php
                            [line] => 1067
                            [function] => open
                            [class] => yii\db\Connection
                            [type] => ->
                        )

                    [3] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/Connection.php
                            [line] => 1054
                            [function] => getMasterPdo
                            [class] => yii\db\Connection
                            [type] => ->
                        )

                    [4] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/mysql/QueryBuilder.php
                            [line] => 394
                            [function] => getSlavePdo
                            [class] => yii\db\Connection
                            [type] => ->
                        )

                    [5] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/mysql/QueryBuilder.php
                            [line] => 418
                            [function] => supportsFractionalSeconds
                            [class] => yii\db\mysql\QueryBuilder
                            [type] => ->
                        )

                    [6] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/mysql/QueryBuilder.php
                            [line] => 59
                            [function] => defaultTimeTypeMap
                            [class] => yii\db\mysql\QueryBuilder
                            [type] => ->
                        )

                    [7] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/base/BaseObject.php
                            [line] => 109
                            [function] => init
                            [class] => yii\db\mysql\QueryBuilder
                            [type] => ->
                        )

                    [8] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/QueryBuilder.php
                            [line] => 116
                            [function] => __construct
                            [class] => yii\base\BaseObject
                            [type] => ->
                        )

                    [9] => Array
                        (
                            [function] => __construct
                            [class] => yii\db\QueryBuilder
                            [type] => ->
                        )

                    [10] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/di/Container.php
                            [line] => 411
                            [function] => newInstanceArgs
                            [class] => ReflectionClass
                            [type] => ->
                        )

                    [11] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/di/Container.php
                            [line] => 170
                            [function] => build
                            [class] => yii\di\Container
                            [type] => ->
                        )

                    [12] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/BaseYii.php
                            [line] => 345
                            [function] => get
                            [class] => yii\di\Container
                            [type] => ->
                        )

                    [13] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/mysql/Schema.php
                            [line] => 261
                            [function] => createObject
                            [class] => yii\BaseYii
                            [type] => ::
                        )

                    [14] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/Schema.php
                            [line] => 247
                            [function] => createQueryBuilder
                            [class] => yii\db\mysql\Schema
                            [type] => ->
                        )

                    [15] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/Connection.php
                            [line] => 884
                            [function] => getQueryBuilder
                            [class] => yii\db\Schema
                            [type] => ->
                        )

                    [16] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/Query.php
                            [line] => 157
                            [function] => getQueryBuilder
                            [class] => yii\db\Connection
                            [type] => ->
                        )

                    [17] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/Query.php
                            [line] => 304
                            [function] => createCommand
                            [class] => yii\db\Query
                            [type] => ->
                        )

                    [18] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/web/DbSession.php
                            [line] => 185
                            [function] => scalar
                            [class] => yii\db\Query
                            [type] => ->
                        )

                    [19] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/web/SessionHandler.php
                            [line] => 70
                            [function] => readSession
                            [class] => yii\web\DbSession
                            [type] => ->
                        )

                    [20] => Array
                        (
                            [function] => read
                            [class] => yii\web\SessionHandler
                            [type] => ->
                        )

                    [21] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/web/Session.php
                            [line] => 152
                            [function] => session_start
                        )

                    [22] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/web/Session.php
                            [line] => 690
                            [function] => open
                            [class] => yii\web\Session
                            [type] => ->
                        )

                    [23] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyycontrollers/Controller.php
                            [line] => 78
                            [function] => get
                            [class] => yii\web\Session
                            [type] => ->
                        )

                    [24] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyymodules/admin/controllers/Controller.php
                            [line] => 18
                            [function] => init
                            [class] => app\cyycontrollers\Controller
                            [type] => ->
                        )

                    [25] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/base/BaseObject.php
                            [line] => 109
                            [function] => init
                            [class] => app\cyymodules\admin\controllers\Controller
                            [type] => ->
                        )

                    [26] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/base/Controller.php
                            [line] => 95
                            [function] => __construct
                            [class] => yii\base\BaseObject
                            [type] => ->
                        )

                    [27] => Array
                        (
                            [function] => __construct
                            [class] => yii\base\Controller
                            [type] => ->
                        )

                    [28] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/di/Container.php
                            [line] => 411
                            [function] => newInstanceArgs
                            [class] => ReflectionClass
                            [type] => ->
                        )

                    [29] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/di/Container.php
                            [line] => 170
                            [function] => build
                            [class] => yii\di\Container
                            [type] => ->
                        )

                    [30] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/BaseYii.php
                            [line] => 345
                            [function] => get
                            [class] => yii\di\Container
                            [type] => ->
                        )

                    [31] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/base/Module.php
                            [line] => 666
                            [function] => createObject
                            [class] => yii\BaseYii
                            [type] => ::
                        )

                    [32] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/base/Module.php
                            [line] => 620
                            [function] => createControllerByID
                            [class] => yii\base\Module
                            [type] => ->
                        )

                    [33] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/base/Module.php
                            [line] => 612
                            [function] => createController
                            [class] => yii\base\Module
                            [type] => ->
                        )

                    [34] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/base/Module.php
                            [line] => 546
                            [function] => createController
                            [class] => yii\base\Module
                            [type] => ->
                        )

                    [35] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/web/Application.php
                            [line] => 103
                            [function] => runAction
                            [class] => yii\base\Module
                            [type] => ->
                        )

                    [36] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/base/Application.php
                            [line] => 384
                            [function] => handleRequest
                            [class] => yii\web\Application
                            [type] => ->
                        )

                    [37] => Array
                        (
                            [file] => /www/wwwroot/rczm-manage/web/index.php
                            [line] => 26
                            [function] => run
                            [class] => yii\base\Application
                            [type] => ->
                        )

                )

            [previous:Exception:private] => PDOException Object
                (
                    [message:protected] => PDO::__construct(): php_network_getaddresses: getaddrinfo failed: Name or service not known
                    [string:Exception:private] => 
                    [code:protected] => 0
                    [file:protected] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/Connection.php
                    [line:protected] => 722
                    [trace:Exception:private] => Array
                        (
                            [0] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/Connection.php
                                    [line] => 722
                                    [function] => __construct
                                    [class] => PDO
                                    [type] => ->
                                )

                            [1] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/Connection.php
                                    [line] => 637
                                    [function] => createPdoInstance
                                    [class] => yii\db\Connection
                                    [type] => ->
                                )

                            [2] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/Connection.php
                                    [line] => 1067
                                    [function] => open
                                    [class] => yii\db\Connection
                                    [type] => ->
                                )

                            [3] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/Connection.php
                                    [line] => 1054
                                    [function] => getMasterPdo
                                    [class] => yii\db\Connection
                                    [type] => ->
                                )

                            [4] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/mysql/QueryBuilder.php
                                    [line] => 394
                                    [function] => getSlavePdo
                                    [class] => yii\db\Connection
                                    [type] => ->
                                )

                            [5] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/mysql/QueryBuilder.php
                                    [line] => 418
                                    [function] => supportsFractionalSeconds
                                    [class] => yii\db\mysql\QueryBuilder
                                    [type] => ->
                                )

                            [6] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/mysql/QueryBuilder.php
                                    [line] => 59
                                    [function] => defaultTimeTypeMap
                                    [class] => yii\db\mysql\QueryBuilder
                                    [type] => ->
                                )

                            [7] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/base/BaseObject.php
                                    [line] => 109
                                    [function] => init
                                    [class] => yii\db\mysql\QueryBuilder
                                    [type] => ->
                                )

                            [8] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/QueryBuilder.php
                                    [line] => 116
                                    [function] => __construct
                                    [class] => yii\base\BaseObject
                                    [type] => ->
                                )

                            [9] => Array
                                (
                                    [function] => __construct
                                    [class] => yii\db\QueryBuilder
                                    [type] => ->
                                )

                            [10] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/di/Container.php
                                    [line] => 411
                                    [function] => newInstanceArgs
                                    [class] => ReflectionClass
                                    [type] => ->
                                )

                            [11] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/di/Container.php
                                    [line] => 170
                                    [function] => build
                                    [class] => yii\di\Container
                                    [type] => ->
                                )

                            [12] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/BaseYii.php
                                    [line] => 345
                                    [function] => get
                                    [class] => yii\di\Container
                                    [type] => ->
                                )

                            [13] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/mysql/Schema.php
                                    [line] => 261
                                    [function] => createObject
                                    [class] => yii\BaseYii
                                    [type] => ::
                                )

                            [14] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/Schema.php
                                    [line] => 247
                                    [function] => createQueryBuilder
                                    [class] => yii\db\mysql\Schema
                                    [type] => ->
                                )

                            [15] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/Connection.php
                                    [line] => 884
                                    [function] => getQueryBuilder
                                    [class] => yii\db\Schema
                                    [type] => ->
                                )

                            [16] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/Query.php
                                    [line] => 157
                                    [function] => getQueryBuilder
                                    [class] => yii\db\Connection
                                    [type] => ->
                                )

                            [17] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/db/Query.php
                                    [line] => 304
                                    [function] => createCommand
                                    [class] => yii\db\Query
                                    [type] => ->
                                )

                            [18] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/web/DbSession.php
                                    [line] => 185
                                    [function] => scalar
                                    [class] => yii\db\Query
                                    [type] => ->
                                )

                            [19] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/web/SessionHandler.php
                                    [line] => 70
                                    [function] => readSession
                                    [class] => yii\web\DbSession
                                    [type] => ->
                                )

                            [20] => Array
                                (
                                    [function] => read
                                    [class] => yii\web\SessionHandler
                                    [type] => ->
                                )

                            [21] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/web/Session.php
                                    [line] => 152
                                    [function] => session_start
                                )

                            [22] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/web/Session.php
                                    [line] => 690
                                    [function] => open
                                    [class] => yii\web\Session
                                    [type] => ->
                                )

                            [23] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyycontrollers/Controller.php
                                    [line] => 78
                                    [function] => get
                                    [class] => yii\web\Session
                                    [type] => ->
                                )

                            [24] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyymodules/admin/controllers/Controller.php
                                    [line] => 18
                                    [function] => init
                                    [class] => app\cyycontrollers\Controller
                                    [type] => ->
                                )

                            [25] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/base/BaseObject.php
                                    [line] => 109
                                    [function] => init
                                    [class] => app\cyymodules\admin\controllers\Controller
                                    [type] => ->
                                )

                            [26] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/base/Controller.php
                                    [line] => 95
                                    [function] => __construct
                                    [class] => yii\base\BaseObject
                                    [type] => ->
                                )

                            [27] => Array
                                (
                                    [function] => __construct
                                    [class] => yii\base\Controller
                                    [type] => ->
                                )

                            [28] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/di/Container.php
                                    [line] => 411
                                    [function] => newInstanceArgs
                                    [class] => ReflectionClass
                                    [type] => ->
                                )

                            [29] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/di/Container.php
                                    [line] => 170
                                    [function] => build
                                    [class] => yii\di\Container
                                    [type] => ->
                                )

                            [30] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/BaseYii.php
                                    [line] => 345
                                    [function] => get
                                    [class] => yii\di\Container
                                    [type] => ->
                                )

                            [31] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/base/Module.php
                                    [line] => 666
                                    [function] => createObject
                                    [class] => yii\BaseYii
                                    [type] => ::
                                )

                            [32] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/base/Module.php
                                    [line] => 620
                                    [function] => createControllerByID
                                    [class] => yii\base\Module
                                    [type] => ->
                                )

                            [33] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/base/Module.php
                                    [line] => 612
                                    [function] => createController
                                    [class] => yii\base\Module
                                    [type] => ->
                                )

                            [34] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/base/Module.php
                                    [line] => 546
                                    [function] => createController
                                    [class] => yii\base\Module
                                    [type] => ->
                                )

                            [35] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/web/Application.php
                                    [line] => 103
                                    [function] => runAction
                                    [class] => yii\base\Module
                                    [type] => ->
                                )

                            [36] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/cyyvendor/yiisoft/yii2/base/Application.php
                                    [line] => 384
                                    [function] => handleRequest
                                    [class] => yii\web\Application
                                    [type] => ->
                                )

                            [37] => Array
                                (
                                    [file] => /www/wwwroot/rczm-manage/web/index.php
                                    [line] => 26
                                    [function] => run
                                    [class] => yii\base\Application
                                    [type] => ->
                                )

                        )

                    [previous:Exception:private] => 
                    [errorInfo] => 
                    [severity] => 2
                )

            [errorInfo] => Array
                (
                    [0] => HY000
                    [1] => 2002
                    [2] => php_network_getaddresses: getaddrinfo failed: Name or service not known
                )

        )

)