Hi all
Iam new to
struts and Iam getting the Exception javax.servlet.ServletException: Cannot find bean: "messageBean" in any scope
I think the problem is with struts-config.xml,but i coudn't find out the error.Can anyone Please help me with this?
my files are:
signUp1.jsp-front page
ContactFormBean.java-bean
MessageBean.java-result bean
confirmation.jsp
missing-value.jsp
signUp1.jsp ....
<BODY BGCOLOR="#FDF5E6">
some text.....
<P>
<CENTER>
<%@ taglib uri="http://struts.apache.org/tags-html"
prefix="html" %>
<html:form action="/actions/signup1">
First name: <html:text property="firstName" /><br>
Last name: <html:text property="lastName" /><br>
Email address: <html:text property="email" /><br>
Fax number: <html:text property="faxNumber" /><br>
<html:submit value="Sign Me Up!" />
</html:form>
</center>
</body>
</html>
ContactFormBean.java package coreservlets;
import org.apache.struts.action.*;
public class ContactFormBean extends ActionForm
{
private
String firstName= "First Name";
private String lastName= "Last Name";
private String email= "user @ host";
private String faxNumber= "xxx-yyy-zzzz";
public String getFirstName(){
return(firstName);}
public void setFirstName(String firstName){
this.firstName=firstName;}
public String getLastName(){
return(lastName);}
public void setLastName(String lastName){
this.lastName=lastName;}
public String getEmail(){
return(email);}
public void setEmail(String email){
this.email=email;}
public String getFaxNumber(){
return(faxNumber);}
public void setFaxNumber(String faxNumber){
this.faxNumber=faxNumber;}
private String[] defaultValues={firstName,lastName,email,faxNumber};
public boolean isMissing(String value){
if((value==null)||(value.trim().equals(""))){
return(true);
}
else{
for(int i=0;i<defaultValues.length;i++){
if(value.equals(defaultValues
)){
return(true);
}
}
return(false);
}
}
}
[I]MessageBean.java package coreservlets;
public class MessageBean
{
private String message="";
public String getMessage(){
return(message);
}
public void setMessage(String message){
this.message=message;
}
}
SignupAction1.java package coreservlets;
import javax.servlet.http.*;
import org.apache.struts.action.*;
public class SignupAction1 extends Action
{
public ActionForward execute(ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws Exception
{
ContactFormBean userBean=(ContactFormBean)form;
String firstName=userBean.getFirstName();
String lastName=userBean.getLastName();
String email=userBean.getEmail();
String faxNumber=userBean.getFaxNumber();
if(userBean.isMissing(firstName))
{
makeWarning(request,"firstName");
return(mapping.findForward("missing-value"));
}
else if(userBean.isMissing(lastName))
{
makeWarning(request,"lastName");
return(mapping.findForward("missing-value"));
}
else if(userBean.isMissing(email))
{
makeWarning(request,"email");
return(mapping.findForward("missing-value"));
}
else if(userBean.isMissing(faxNumber))
{
makeWarning(request,"faxNumber");
return(mapping.findForward("missing-value"));
}
else
{
return(mapping.findForward("success"));
}
}
protected void makeWarning(HttpServletRequest request,String message)
{
MessageBean messageBean=new MessageBean();
messageBean.setMessage(message);
request.setAttribute("messageBean",messageBean);
}
}
confirmation.jsp ....
<BODY BGCOLOR="#FDF5E6">
<CENTER>
<H1>Confirmation</H1>
Congratulations. You are now signed up for the
Single Provider of Alert Memos network!
<%@ taglib uri="http://struts.apache.org/tags-bean" prefix="bean" %>
<UL>
<LI>First name:
<bean:write name="contactFormBean" property="firstName"/>
<LI>Last name:
<bean:write name="contactFormBean" property="lastName"/>
<LI>Email address:
<bean:write name="contactFormBean" property="email"/>
<LI>Fax number:
<bean:write name="contactFormBean" property="faxNumber"/>
</UL>
To be removed from the network, send email
<A HREF="mailto:blackhole@spam-network.com">here</A>.
</CENTER>
</BODY></HTML>
missing-value.jsp <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<%@ taglib uri="http://struts.apache.org/tags-bean"
prefix="bean" %>
<HEAD><TITLE>Missing
<bean:write name="messageBean" property="message"/>
</TITLE></HEAD>
<BODY BGCOLOR="#FDF5E6">
<CENTER>
<H2>Missing
<bean:write name="messageBean" property="message"/>!
</H2>
Please <A HREF="struts-forms/forms/signup1.jsp">try again</A>.
</CENTER>
</BODY></HTML>
struts-config.xml <struts-config>
<form-beans>
<form-bean name="contactFormBean"
type="coreservlets.ContactFormBean"/>
<form-bean name="messageBean"
type="coreservlets.MessageBean"/>
</form-beans>
<global-forwards>
<forward name="success"
path="/WEB-INF/results/confirmation.jsp"/>
</global-forwards>
<action-mappings>
<action path="/actions/signup1"
type="coreservlets.SignupAction1"
name="contactFormBean"
scope="request">
<forward name="missing-value"
path="/WEB-INF/results/missing-value.jsp"/>
</action>
</action-mappings>
</struts-config>
please help me......
thanks
