Type Exception Report
Message An exception occurred processing [WEB-INF/jsp/my/lookup.jsp] at line [24]
Description The server encountered an unexpected condition that prevented it from fulfilling the request.
Exception
org.apache.jasper.JasperException: An exception occurred processing [WEB-INF/jsp/my/lookup.jsp] at line [24] 21: 22: 23: <% 24: String name = UserManager.getInstance().getMyUser(request).getUsername(); 25: %> 26: 27: Stacktrace: org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:599) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:488) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:380) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:328) jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:171) org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:314) org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1415) org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1159) org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1098) org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:974) org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1011) org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:903) jakarta.servlet.http.HttpServlet.service(HttpServlet.java:564) org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:885) jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) edu.mcw.rgd.web.ChinchillaFilter.doFilter(ChinchillaFilter.java:24)
Root Cause
java.lang.NullPointerException: Cannot invoke "edu.mcw.rgd.datamodel.myrgd.MyUser.getUsername()" because the return value of "edu.mcw.rgd.security.UserManager.getMyUser(jakarta.servlet.http.HttpServletRequest)" is null org.apache.jsp.WEB_002dINF.jsp.my.lookup_jsp._jspService(lookup_jsp.java:169) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:456) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:380) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:328) jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:171) org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:314) org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1415) org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1159) org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1098) org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:974) org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1011) org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:903) jakarta.servlet.http.HttpServlet.service(HttpServlet.java:564) org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:885) jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) edu.mcw.rgd.web.ChinchillaFilter.doFilter(ChinchillaFilter.java:24)
Note The full stack trace of the root cause is available in the server logs.