下載完之后，reg.jsp能正常打開，userinfo.jsp卻報錯了
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">
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)
2019-07-20
你在reg.jsp界面把出生日期加上，點擊注冊注冊，就會跳轉到userinfo.jsp界面了。這個是完整的項目，缺年月日會報錯。老師開始那個是靜態頁面，并沒有傳值。
2018-12-27
你也應該是直接使用的源碼，沒做改動就想看一下userinfo.jsp頁面的效果，然后出現報錯?
可以試著把userinfo.jsp頁面中的所有jsp代碼部分去掉.
視頻中也是后面一點點加上的JSP代碼.剛開始只是一個靜態頁面。所以只需要HTMl/CSS做的靜態網頁就行.
2018-12-06
打印一下regUser.getBirthday值