HTTP Status 500 – Internal Server Error


Type Exception Report

Message An exception occurred processing [WEB-INF/jsp/homepage/content.jsp] at line [28]

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/homepage/content.jsp] at line [28]

25: 
26: 	String menuId=request.getParameter("menuId");
27: 	if (menuId!=null) {
28: 		DhfwService dhfw = U.getDhfwService(request, "defaultWebFilter");
29: 		String path = "/dhfw/techhp/"+menuId+"/MENU-INFO";
30: 		Map<String,String> param = new HashMap<String,String>();
31: 		Object menuInfo = dhfw.service(path, userVO, param);


Stacktrace:
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:610)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:499)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:327)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:623)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)

Root Cause

java.lang.NullPointerException: Cannot invoke "com.dhfw.system.WebFilter.getDhfwService(javax.servlet.http.HttpServletRequest)" because "webFilter" is null
	com.dhfw.util.U.getDhfwService(U.java:629)
	org.apache.jsp.index_jsp._jspService(index_jsp.java:218)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:623)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:466)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:327)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:623)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)

Note The full stack trace of the root cause is available in the server logs.


Apache Tomcat/9.0.86