Struts的标签问题

Struts的标签问题

HTTP   Status   500   -  

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type   Exception   report

message  

description   The   server   encountered   an   internal   error   ()   that   prevented   it   from   fulfilling   this   request.

exception  

javax.servlet.ServletException:   Missing   message   for   key   "register.title "
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:867)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:800)
org.apache.jsp.login_jsp._jspService(login_jsp.java:91)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:311)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)


root   cause  

javax.servlet.jsp.JspException:   Missing   message   for   key   "register.title "
org.apache.struts.taglib.bean.MessageTag.doStartTag(MessageTag.java:233)
org.apache.jsp.login_jsp._jspx_meth_bean_message_0(login_jsp.java:170)
org.apache.jsp.login_jsp._jspx_meth_html_html_0(login_jsp.java:126)
org.apache.jsp.login_jsp._jspService(login_jsp.java:82)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:311)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)


note   The   full   stack   trace   of   the   root   cause   is   available   in   the   Tomcat   logs.


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Apache   Tomcat/5.0.18
这个是什么原因啊?请高手指点。。。谢谢
看看有没有定义这个健 "register.title "
资源文件里也有定义的,还有就是我的 <html:errors/> 标签也没有用,不知道为什么呢,郁闷中。。。
有没有人的啊!!!黄天啊。。。