struts 路径报错 帮忙看下,该如何解决

struts 路径报错 帮忙看下HTTP Status 400 - Invalid path /oa/gwgl/fwgl/expFile was requestedjs代码doc

struts 路径报错 帮忙看下
HTTP Status 400 - Invalid path /oa/gwgl/fwgl/expFile was requested

js代码
document.gwcxForm.action = "expFile.do?method=expDataToFile";

xml配置
<action path="/expFile" scope="request" type="com.chinacreator.oa.fwgl.exp.ExpFileAction" parameter="method" >
   
</action>

这样配有什么问题吗

[解决办法]
document.gwcxForm.action = "/expFile.do?method=expDataToFile";