HTTP Status 500 – Internal Server Error

Type Exception Report

Message java.lang.NumberFormatException: null

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

Exception

javax.servlet.ServletException: java.lang.NumberFormatException: null
	org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:516)
	org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:423)
	com.onsemi.extweb.struts.CustomRequestProcessor.processActionPerform(CustomRequestProcessor.java:305)
	org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226)
	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
	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)
	net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:198)
	net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:176)
	com.onsemi.extweb.waaecu.filter.LoggedUserFilter.doFilter(LoggedUserFilter.java:209)
	com.onsemi.extweb.filter.ReportFilter.doFilter(ReportFilter.java:242)
	net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:160)
	com.onsemi.extweb.filter.HazelcastUpdateFilter.doFilter(HazelcastUpdateFilter.java:38)
	com.hazelcast.web.WebFilter.doFilter(WebFilter.java:293)

Root Cause

java.lang.NumberFormatException: null
	java.lang.Integer.parseInt(Integer.java:542)
	java.lang.Integer.parseInt(Integer.java:615)
	com.onsemi.extweb.prodcat.action.MainTaxonomyAction.execute(MainTaxonomyAction.java:54)
	org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421)
	com.onsemi.extweb.struts.CustomRequestProcessor.processActionPerform(CustomRequestProcessor.java:305)
	org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226)
	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
	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)
	net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:198)
	net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:176)
	com.onsemi.extweb.waaecu.filter.LoggedUserFilter.doFilter(LoggedUserFilter.java:209)
	com.onsemi.extweb.filter.ReportFilter.doFilter(ReportFilter.java:242)
	net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:160)
	com.onsemi.extweb.filter.HazelcastUpdateFilter.doFilter(HazelcastUpdateFilter.java:38)
	com.hazelcast.web.WebFilter.doFilter(WebFilter.java:293)

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

Apache Tomcat/9.0.31