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                        /JAVA遇见HTML——Servlet篇

下载完之后，reg.jsp能正常打开，userinfo.jsp却报错了

HTTP Status 500 – Internal Server Error

Type Exception Report

Message An exception occurred processing JSP page /userinfo.jsp at line 64

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

org.apache.jasper.JasperException: An exception occurred processing JSP page /userinfo.jsp at line 64

61:           <td class="content">&nbsp;
62:             <% 
63:                SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
64:                String date = sdf.format(regUser.getBirthday());
65:             %>
66:              <%=date %>
67:           </td>


Stacktrace:
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:594)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:491)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)