HTTP Status 500 – Internal Server Error


Type Exception Report

Message org.apache.jasper.JasperException: java.lang.NullPointerException

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

Exception

javax.servlet.ServletException: org.apache.jasper.JasperException: 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:489)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:583)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)

Root Cause

org.apache.jasper.JasperException: java.lang.NullPointerException
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:582)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:498)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:383)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:331)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:583)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
	org.apache.struts.chain.commands.servlet.PerformForward.handleAsForward(PerformForward.java:113)
	org.apache.struts.chain.commands.servlet.PerformForward.perform(PerformForward.java:96)
	org.apache.struts.chain.commands.AbstractPerformForward.execute(AbstractPerformForward.java:54)
	org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51)
	org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191)
	org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:305)
	org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191)
	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:489)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:583)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)

Root Cause

java.lang.NullPointerException
	org.apache.jsp.imglist_jsp._jspService(imglist_jsp.java:238)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:583)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:465)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:383)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:331)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:583)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
	org.apache.struts.chain.commands.servlet.PerformForward.handleAsForward(PerformForward.java:113)
	org.apache.struts.chain.commands.servlet.PerformForward.perform(PerformForward.java:96)
	org.apache.struts.chain.commands.AbstractPerformForward.execute(AbstractPerformForward.java:54)
	org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51)
	org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191)
	org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:305)
	org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191)
	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:489)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:583)
	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/8.5.95