How to fix Face context Error in JSF?

**jerald m** · Feb 25 '11, 04:37 AM

login.jsp

Code:

<%@ page contentType="text/html"%>
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f"%>
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h"%>
<f:view>
	<html>
		<head>
			<title>JSF Login Application</title>
		</head>
		<body>
			<h:form>
				<table>
					<tr>
						<td><h:outputText value="Enter Login ID: " /></td>
						<td><h:inputText id="id" value="#{LoginBean.loginid}" /></td>
					</tr>
					<tr>
						<td><h:outputText value="Enter Password: " /></td>
						<td><h:inputSecret id="pwd" value="#{LoginBean.pwd}" /></td>
					</tr>
					<tr>
						<td>&nbsp;</td>
						<td><h:commandButton value="Login" action="#{LoginBean.CheckValidUser}" /></td>
					</tr>
				</table>
			</h:form>
		</body>
	</html>
</f:view>

loginfail.jsp

Code:

Login Failed. Please try again.

loginsuccess.js p

Code:

Login Successful.

LoginBean.java

Code:

package javajazzup;

public class LoginBean{
	String loginid;
	String pwd;

	public LoginBean(){}

	public String getLoginid(){
		return loginid;
	}
	public void setLoginid(String loginid){
		this.loginid = loginid;
	}
	public String getPwd(){
		return pwd;
	}
	public void setPwd(String pwd){
		this.pwd = pwd;
	}
	public String CheckValidUser(){
		if(loginid.equals("JavaJazzUp") && pwd.equals("mypwd")){
			return "success";
		}
		else{
			return "fail";
		}
	}
}

faces-config.xml

Code:

<?xml version="1.0"?>
<!DOCTYPE faces-config PUBLIC
  "-//Sun Microsystems, Inc.//DTD JavaServer Faces Config 1.1//EN"  "http://java.sun.com/dtd/web-facesconfig_1_1.dtd">
  
<faces-config>
	<managed-bean>
		<managed-bean-name>LoginBean</managed-bean-name>
		<managed-bean-class>javajazzup.LoginBean</managed-bean-class>
		<managed-bean-scope>request</managed-bean-scope>
	</managed-bean>
	<navigation-rule>
		<from-view-id>/login.jsp</from-view-id>
		<navigation-case>
			<from-action>#{LoginBean.CheckValidUser}</from-action>
			<from-outcome>success</from-outcome>
			<to-view-id>loginsuccess.jsp</to-view-id>
		</navigation-case>
		<navigation-case>
			<from-action>#{LoginBean.CheckValidUser}</from-action>
			<from-outcome>fail</from-outcome>
			<to-view-id>loginfail.jsp</to-view-id>
		</navigation-case>
	</navigation-rule>
</faces-config>

web.xml

Code:

<?xml version="1.0"?>
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd">

<web-app>
	<context-param>
		<param-name>javax.faces.STATE_SAVING_METHOD</param-name>
		<param-value>server</param-value>
	</context-param>
	
	<!-- Faces Servlet -->
	<servlet>
		<servlet-name>Faces Servlet</servlet-name>       <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
		<load-on-startup> 1 </load-on-startup>
	</servlet>
	
	<!-- Faces Servlet Mapping -->
	<servlet-mapping>
		<servlet-name>Faces Servlet</servlet-name>
		<url-pattern>*.jsf</url-pattern>
	</servlet-mapping>
</web-app>

after compiling java code
i run this application but i got Face context Error
Please help me out

error

HTTP Status 500 -

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.apache.jasp er.JasperExcept ion: java.lang.Runti meException: Cannot find FacesContext
org.apache.jasp er.servlet.JspS ervletWrapper.h andleJspExcepti on(JspServletWr apper.java:500)
org.apache.jasp er.servlet.JspS ervletWrapper.s ervice(JspServl etWrapper.java: 428)
org.apache.jasp er.servlet.JspS ervlet.serviceJ spFile(JspServl et.java:313)
org.apache.jasp er.servlet.JspS ervlet.service( JspServlet.java :260)
javax.servlet.h ttp.HttpServlet .service(HttpSe rvlet.java:717)

root cause

java.lang.Runti meException: Cannot find FacesContext
javax.faces.web app.UIComponent ClassicTagBase. getFacesContext (UIComponentCla ssicTagBase.jav a:1797)
javax.faces.web app.UIComponent ClassicTagBase. setJspId(UIComp onentClassicTag Base.java:1614)
org.apache.jsp. login_jsp._jspx _meth_f_005fvie w_005f0(login_j sp.java:98)
org.apache.jsp. login_jsp._jspS ervice(login_js p.java:75)
org.apache.jasp er.runtime.Http JspBase.service (HttpJspBase.ja va:70)
javax.servlet.h ttp.HttpServlet .service(HttpSe rvlet.java:717)
org.apache.jasp er.servlet.JspS ervletWrapper.s ervice(JspServl etWrapper.java: 386)
org.apache.jasp er.servlet.JspS ervlet.serviceJ spFile(JspServl et.java:313)
org.apache.jasp er.servlet.JspS ervlet.service( JspServlet.java :260)
javax.servlet.h ttp.HttpServlet .service(HttpSe rvlet.java:717)

note The full stack trace of the root cause is available in the Apache Tomcat/6.0.32 logs.