我用JbuilderX 开发一struts时怎么报如下错

[wuweihua]

我用JbuilderX 开发一struts时报如下错：
Cannot find bean org.apache.struts.taglib.html.BEAN in any scope

at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:471)
at org.apache.jsp.submit$jsp._jspService(submit$jsp.java:513)
.
.
.
错误原因在第一句，请好心人帮我指点一下我做错了什么。我应该怎么做???