HTTP Status 500 – Internal Server Error


Type Exception Report

Message An exception occurred processing [index.jsp] at line [8]

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

Exception

org.apache.jasper.JasperException: An exception occurred processing [index.jsp] at line [8]

5: <%@ taglib prefix="bean"  uri="http://struts.apache.org/tags-bean"  %>
6: 
7: <logic:notPresent name="resInitSession" scope="session">
8: 	<jsp:forward page="/initres.do"/>
9: </logic:notPresent>
10: 
11: <%-- pagina principale, richiama il layout con i parametri giusti--%>


Stacktrace:
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:626)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:500)
	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)
	org.raz.reservintres.servlet.FilteringServlet.doFilter(FilteringServlet.java:39)

Root Cause

javax.servlet.ServletException: java.lang.NullPointerException
	org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:286)
	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:530)
	org.apache.jsp.index_jsp._jspx_meth_logic_005fnotPresent_005f0(index_jsp.java:387)
	org.apache.jsp.index_jsp._jspService(index_jsp.java:169)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:71)
	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)
	org.raz.reservintres.servlet.FilteringServlet.doFilter(FilteringServlet.java:39)

Root Cause

java.lang.NullPointerException
	org.raz.reservintres.action.InitSessionAction.execute(InitSessionAction.java:41)
	org.apache.struts.chain.commands.servlet.ExecuteAction.execute(ExecuteAction.java:58)
	org.apache.struts.chain.commands.AbstractExecuteAction.execute(AbstractExecuteAction.java:67)
	org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51)
	org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
	org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:304)
	org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
	org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283)
	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:530)
	org.apache.jsp.index_jsp._jspx_meth_logic_005fnotPresent_005f0(index_jsp.java:387)
	org.apache.jsp.index_jsp._jspService(index_jsp.java:169)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:71)
	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)
	org.raz.reservintres.servlet.FilteringServlet.doFilter(FilteringServlet.java:39)

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


Apache Tomcat/9.0.36