Article:		Creating JSF Custom Components
Subject:		JSF Custom Components are a must
Date:		2005-06-02 03:32:27
From:		kirti
Response to: JSF Custom Components are a must
I tried to run credit card custom component. But i am getting this error.Can you please help me? HTTP Status 500 - -------------------------------------------------------------------------------- type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception org.apache.jasper.JasperException org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:372) 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:810) com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322) com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:147) 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.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:75) root cause java.lang.NullPointerException example.renderer.CreditCardInputRenderer.formatValue(CreditCardInputRenderer.java:114) example.renderer.CreditCardInputRenderer.encodeEnd_Default(CreditCardInputRenderer.java:63) example.renderer.CreditCardInputRenderer.encodeEnd(CreditCardInputRenderer.java:43) javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:712) javax.faces.webapp.UIComponentTag.encodeEnd(UIComponentTag.java:616) javax.faces.webapp.UIComponentTag.doEndTag(UIComponentTag.java:539) org.apache.jsp.Simple_jsp._jspx_meth_cc_creditCardInput_0(Simple_jsp.java:248) org.apache.jsp.Simple_jsp._jspx_meth_h_form_0(Simple_jsp.java:179) org.apache.jsp.Simple_jsp._jspx_meth_f_view_0(Simple_jsp.java:129) org.apache.jsp.Simple_jsp._jspService(Simple_jsp.java:88) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94) javax.servlet.http.HttpServlet.service(HttpServlet.java:810) 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:810) com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322) com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:147) 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.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:75) note The full stack trace of the root cause is available in the Apache Tomcat/5.0.28 logs