我用的是tomcat5.0.29跑struts1.2程序，能找到文件，就是打开jsp是总是报错，找不到：错误是
HTTP Status 500 -
--------------------------------------------
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: Cannot retrieve mapping for action /createNumberAction
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:845)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:778)
org.apache.jsp.form.guess_jsp._jspService(guess_jsp.java:161)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
root cause
javax.servlet.jsp.JspException: Cannot retrieve mapping for action /createNumberAction
org.apache.struts.taglib.html.FormTag.lookup(FormTag.java:753)
org.apache.struts.taglib.html.FormTag.doStartTag(FormTag.java:443)
org.apache.jsp.form.guess_jsp._jspx_meth_html_form_0(guess_jsp.java:194)
org.apache.jsp.form.guess_jsp._jspService(guess_jsp.java:98)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.0.29 logs.
我的struts-config是：
<?xml version= "1.0 " encoding= "UTF-8 "?>
<!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.2//EN " "http://struts.apache.org/dtds/struts-config_1_2.dtd ">
<struts-config>
<data-sources />
<form-beans >
<form-bean name= "createNumberForm " type= "com.yourcompany.struts.form.CreateNumberForm " />
<form-bean name= "judgeForm " type= "com.yourcompany.struts.form.JudgeForm " />
</form-beans>
<global-exceptions />
<global-forwards />
<action-mappings >
<action
attribute= "createNumberForm "
input= "/form/guess.jsp "
name= "createNumberForm "
path= "/createNumber "