combobox problem,load data

[ftmh]

hi every body, i have a problem, my data doesn't load in combobox, whats the reason?
i checked all the field for many times,but it doesn't work. thank U  

<input id="cmbtopic" class="easyui-combobox" name="topic" data-options="
                                    url:'<c:url value = '/rest/clc/definition/clctopic/list' />',
                                    method:'get',
                                    valueField:'id',
                                    textField:'name',
                                    panelHeight:'auto',
                                    editable:false
                              ">

[acreonte82]

In the url, the script file return a json answer?