PHP Code:
Ext.onReady(function () {        Ext.direct.Manager.addProvider(Ext.app.REMOTING_API);        var ds = new Ext.data.DirectStore({            directFnGrid.getData,            paramsAsHashfalse,            paramOrder: ['start''limit''sort''dir'],            root'data',            idProperty'MV_ID',            totalProperty'total',            messageProperty'msg',            successProperty'success',            sortInfo: {                field'MV_ID',                direction'ASC'            },            fields: [                { name'MV_ID'type'int' },                { name'MV_TITLE'type'string' },                { name'INTERNAL_COMMENT'type'string' },                { name'MV_INTRO'type'string' },                { name'CREATE_DT'type'date' }            ],            remoteSortfalse,            pageSize100,            autoLoadtrue,            listeners: {                /*                load: function (store, records, success, operation, option) {                console.log(operation);                console.log(option);                console.log(store);                if (success === false) {                Ext.MessageBox.show({                title: 'REMOTE EXCEPTION',                //msg: operation.getError(),                msg: '에러입니다',                icon: Ext.MessageBox.ERROR,                buttons: Ext.Msg.OK                });                }                },                */                load: function (storerecordssuccessoperationoption) {                    console.log('load');                    console.log(this);                    console.log(store);                    console.log(records);                    console.log(success);                    console.log(operation);                    console.log(option);                },                beforeload: function (storeoperationoption) {                    console.log('beforeload');                    console.log(this);                    console.log(operation);                    console.log(option);                },                beforeprefetch: function (storeoperationoption) {                    console.log('beforeprefetch');                    console.log(this);                    console.log(operation);                    console.log(option);                },                exception: function(){                }            }        });
    }
}); 
What is a sequence of function calls?

did "exception event" remove in extjs4 If not how does "exception event" triggered