HTTP Status 500 – Internal Server Error

Type 異常報告

消息 在 [74] 行處理 [/userinfo.jsp] 時發生異常

描述 服務器遇到一個意外的情況，阻止它完成請求。

Exception

org.apache.jasper.JasperException:?在?[74]?行處理?[/userinfo.jsp]?時發生異常

71:???????????<td?class="content">&nbsp;
72:?????????????<%?
73:????????????????String[]?favorites?=?regUser.getFavorites();
74:????????????????for(String?f:favorites)
75:????????????????{
76:?????????????%>
77:?????????????????<%=f%>?&nbsp;&nbsp;


Stacktrace:
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:626)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:515)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:385)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)

Root Cause

java.lang.NullPointerException
	org.apache.jsp.userinfo_jsp._jspService(userinfo_jsp.java:218)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:477)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:385)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)

):注意 主要問題的全部 stack 信息可以在 server logs 里查看