type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: javax.servlet.jsp.JspException: null org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:821) org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:758) org.apache.jsp.jsf.author.item.multipleChoice_jsp._jspService(multipleChoice_jsp.java:221) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322) com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:130) com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87) com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200) com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:117) javax.faces.webapp.FacesServlet.service(FacesServlet.java:198) org.navigoproject.ui.web.filter.Log4jMdcFilter.doFilter(Log4jMdcFilter.java:105) org.navigoproject.ui.web.filter.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:196)
root cause
java.lang.NullPointerException com.sun.faces.renderkit.html_basic.CommandLinkRenderer.getHiddenFieldName(CommandLinkRenderer.java:136) com.sun.faces.renderkit.html_basic.CommandLinkRenderer.encodeEnd(CommandLinkRenderer.java:318) javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:720) com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeRecursive(HtmlBasicRenderer.java:443) com.sun.faces.renderkit.html_basic.TableRenderer.encodeChildren(TableRenderer.java:257) javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:701) javax.faces.webapp.UIComponentTag.encodeChildren(UIComponentTag.java:607) javax.faces.webapp.UIComponentTag.doEndTag(UIComponentTag.java:544) com.sun.faces.taglib.html_basic.DataTableTag.doEndTag(DataTableTag.java:491) org.apache.jsp.jsf.author.item.multipleChoice_jsp._jspx_meth_h_dataTable_0(multipleChoice_jsp.java:2190) org.apache.jsp.jsf.author.item.multipleChoice_jsp._jspx_meth_h_form_1(multipleChoice_jsp.java:1748) org.apache.jsp.jsf.author.item.multipleChoice_jsp._jspx_meth_f_view_0(multipleChoice_jsp.java:282) org.apache.jsp.jsf.author.item.multipleChoice_jsp._jspService(multipleChoice_jsp.java:212) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322) com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:130) com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87) com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200) com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:117) javax.faces.webapp.FacesServlet.service(FacesServlet.java:198) org.navigoproject.ui.web.filter.Log4jMdcFilter.doFilter(Log4jMdcFilter.java:105) org.navigoproject.ui.web.filter.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:196)
note The full stack trace of the root cause is available in the Apache Tomcat/5.0.27 logs.