Struts2 开发模式报错如下：
ERROR ParametersInterceptor Developer Notification (set struts.devMode to false to disable this message):
Unexpected Exception caught setting 'limit' on 'class org.dcc.action.MtAction: Error setting expression 'limit' with value ['10', ]
ERROR ParametersInterceptor Developer Notification (set struts.devMode to false to disable this message):
Unexpected Exception caught setting 'offset' on 'class org.dcc.action.MtAction: Error setting expression 'offset' with value ['0', ]
ERROR ParametersInterceptor Developer Notification (set struts.devMode to false to disable this message):
Unexpected Exception caught setting 'order' on 'class org.dcc.action.MtAction: Error setting expression 'order' with value ['asc', ]解释：
当struts.devMode设置为true时，html表单数据中有和action属性匹配不上的参数名时就会被这样显示出来，没什么大碍，就是为了便于使用者调试。struts.devMode设置为false就没有了。
我也是找了半天原因，才看到这句话，其实人家早就指出解决方法了，set struts.devMode to false to disable this message