cannot find bean exception

[Mehul Mistry]

Hello all,
I've just learned Struts framework and trying my hands on some assignments. While developing a from using Struts-html tags i'm gettin an exception as follows....

javax.servlet.ServletException: Cannot find bean: "org.apache.struts.taglib.html.BEAN" in any scope
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:848)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:781)
org.apache.jsp.pages.RegisterPatient_jsp._jspService(org.apache.jsp.pages.RegisterPatient_jsp:73)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1062).............
...........
..........
.......


After trying out everything i figured out that its not been able to find the taglib.I removed other components from my form and narrowed down to the following jsp file....

<%@taglib uri="/tags/struts-html" prefix="html" %>

Patient Name : <html:text property="name"/>

The "html:text" tag is giving the exception.If i try with "html:button", it works but not for text or textarea. Can anyone pls guide me where i'm goin wrong.
Thanks.

[Merrill Higginson]

There are a number of possible causes of this problem:

1-You didn't enclose your <html:text> tag with an enclosing <html:form> stanza

2-The action attribute on the <html:form> tag does not match the path attribute of one of the actions defined in struts-config.xml

3-The ActionForm matching the name attribute of your Action mapping does not have a name property.

If you are still unable to figure out the problem, please post:

Relevant portions of your struts-config.xml file

Your entire JSP

Your ActionForm class

[Mehul Mistry]

hi..
Thanks for your reponse. I checked all the things you said. But I'm still stucked with it.
This time the exeption is.....


javax.servlet.ServletException: Exception creating bean of class org.hospital.ui.formbean.RegisterFormBean: {1}
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:848)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:781)
org.apache.jsp.pages.RegisterPatient_jsp._jspService(org.apache.jsp.pages.RegisterPatient_jsp:77)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1062)
..........
.....
..

My jsp file is...

 
---------------------------------------------------------------
  <%@taglib uri="/tags/struts-html" prefix="html" %>
 
<html:html>
<html:form action="/RegisterAction.do" >
Name : <html:text property="name"/></br>
Age  : <html:text property="age"/></br>
Address : <html:text property="address"/></br>
Complain : <html:text property="complain"/></br>
<html:submit value="Register"/>
</html:form>
</html:html>

-----------------------------------------------------------------


My Action class is...
---------------------------------------------------------------

 
public class RegisterActionClass extends Action {
 
@Override
public ActionForward execute(ActionMapping map, ActionForm form, HttpServletRequest req, HttpServletResponse res) 
 
throws Exception {
// TODO Auto-generated method stub
RegisterFormBean formbean = (RegisterFormBean)form;
RegisterBean bean= new RegisterBean();
bean.show();
System.out.println("In ActionClass :"+formbean.getName());
return map.findForward("done");
}

 
}

------------------------------------------------------------------

My forbean class is....

 
public class RegisterFormBean extends ActionForm {

String name,address,complain;
int age;

public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
public int getAge() {
return age;
}

// Getters and setters for remaining property
}

-----------------------------------------------------------------

My bean class is.........
-----------------------------------------------------------------

 
public class RegisterBean {

public void show(){
System.out.println("\n\n\in bean\n\n\n");
}
 
}

----------------------------------------------------------------

Relevant parts from struts-config.xml is .....

 
<form-bean
            name="registerFormBean"
            type="org.hospital.ui.formbean.RegisterFormBean"/>
 

 
<action
            path="/Register"
            forward="/pages/RegisterPatient.jsp"/>
 
<action path="/RegisterAction" type="org.hospital.ui.actionclass.RegisterActionClass" name="registerFormBean">
<forward name="done" path="/Welcome.do"/>
 </action>

-----------------------------------------------------------------------------------

Can you pls coment on this. I'm sorry if i sound too im-mature.....

Thanks.

[Merrill Higginson]

This exception is telling you that Struts can't create the form bean for some reason. The most likely explanation is that the class file does not exist. Make sure that ResisterFormBean.class exists in the appropriate subdirectory of WEB-INF/classes.