hi friends ,
i ma new to jsf , i have done a small code to enter user name and pass word. upon clicking a button it will display welcome to jsf "username" .training.java and login.java bean is like this
package my;
package training;
public class UserBean implements serializable
{
private String name ;
private String password;
public void setName(String name)
{
this.name= name;
}
public String getName()
{
return name;
}
public void setPassword( String password)
{
this.password = password;
}
public String getPassword()
{
return password;
}
}
second class:
package training;
public class Login
{
UserBean user = new UserBean() ;
private String passwordConfirm;
public void setUser(String n)
{
this.user= n;
}
public String getUser()
{
return user;
}
public void setPasswordConfirm( String pwd)
{
this.passwordConfirm = pwd;
}
public String getPasswordConfirm()
{
return passwordConfirm ;
}
}
and the faces-config.xml is like this:
.....
.
<managed-bean>
<managed-bean-name>login</managed-bean-name>
<managed-bean-class>training.Login</managed-bean-class>
<managed-bean-scope>request</managed-bean-scope>
<managed-property>
<property-name>userbean</property-name>
<value>#{loginUserBean}</value>
</managed-property>
<managed-bean>
<managed-bean-name>loginUserBean</managed-bean-name>
<managed-bean-class>training.UserBean</managed-bean-class>
<managed-bean-scope>none</manage-bean-scope>
</managed-bean>
...
...
and when i try this thru tomcat its giving the fallowing error
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: Error testing property 'name' in bean of type null
javax.faces.webapp.FacesServlet.service(FacesServlet.java:209)
root cause
javax.faces.el.PropertyNotFoundException: Error testing property 'firstName' in bean of type null
com.sun.faces.el.PropertyResolverImpl.getType(PropertyResolverImpl.java:342)
com.sun.faces.el.impl.ArraySuffix.getType(ArraySuffix.java:240)
com.sun.faces.el.impl.ComplexValue.getType(ComplexValue.java:208)
com.sun.faces.el.ValueBindingImpl.getType(ValueBindingImpl.java:345)
com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getConvertedValue(HtmlBasicInputRenderer.java:111)
javax.faces.component.UIInput.getConvertedValue(UIInput.java:713)
javax.faces.component.UIInput.validate(UIInput.java:638)
javax.faces.component.UIInput.executeValidate(UIInput.java:849)
javax.faces.component.UIInput.processValidators(UIInput.java:412)
javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:912)
javax.faces.component.UIForm.processValidators(UIForm.java:170)
javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:912)
;javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:342)
com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:78)
com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)
com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:90)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:197)
note The full stack trace of the root cause is available in the Apache Tomcat/5.0.28 logs
please tell me what is the problem