HTTP Status 500 – Internal Server Error


Type Exception Report

Message org.apache.jasper.el.JspELException: /tiles/user/hof.jsp(22,0) '${potdUser.hofPosts}' Error reading [hofPosts] on type [com.portal.user.User]

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

Exception

org.apache.jasper.JasperException: org.apache.jasper.el.JspELException: /tiles/user/hof.jsp(22,0) '${potdUser.hofPosts}' Error reading [hofPosts] on type [com.portal.user.User]
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:501)
	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)
	org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:176)
	org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
	org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)
	org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:394)
	org.apache.catalina.filters.ExpiresFilter.doFilter(ExpiresFilter.java:1192)
	com.portal.filter.GlobalFilter.doFilter(GlobalFilter.java:85)

Root Cause

org.apache.jasper.el.JspELException: /tiles/user/hof.jsp(22,0) '${potdUser.hofPosts}' Error reading [hofPosts] on type [com.portal.user.User]
	org.apache.jasper.el.JspValueExpression.getValue(JspValueExpression.java:141)
	org.apache.jsp.tiles.user.hof_jsp._jspx_meth_c_005fset_005f0(hof_jsp.java:191)
	org.apache.jsp.tiles.user.hof_jsp._jspService(hof_jsp.java:144)
	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)
	org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:176)
	org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
	org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)
	org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:394)
	org.apache.catalina.filters.ExpiresFilter.doFilter(ExpiresFilter.java:1192)
	com.portal.filter.GlobalFilter.doFilter(GlobalFilter.java:85)

Root Cause

java.lang.NullPointerException: Cannot invoke "java.lang.Integer.intValue()" because "userID" is null
	com.portal.jive.JiveUtils.getHofPostsForUser(JiveUtils.java:1438)
	com.portal.user.User.getHofPosts(User.java:759)
	java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
	java.base/java.lang.reflect.Method.invoke(Method.java:578)
	javax.el.BeanELResolver.getValue(BeanELResolver.java:95)
	org.apache.jasper.el.JasperELResolver.getValue(JasperELResolver.java:124)
	org.apache.el.parser.AstValue.getValue(AstValue.java:168)
	org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:189)
	org.apache.jasper.el.JspValueExpression.getValue(JspValueExpression.java:129)
	org.apache.jsp.tiles.user.hof_jsp._jspx_meth_c_005fset_005f0(hof_jsp.java:191)
	org.apache.jsp.tiles.user.hof_jsp._jspService(hof_jsp.java:144)
	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)
	org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:176)
	org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
	org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)
	org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:394)
	org.apache.catalina.filters.ExpiresFilter.doFilter(ExpiresFilter.java:1192)
	com.portal.filter.GlobalFilter.doFilter(GlobalFilter.java:85)

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


Apache Tomcat/9.0.79