500 Internal Server Error
    javax.servlet.jsp.JspException: Exception creating bean of class view.AddressForm: {1}  
at org.apache.struts.taglib.html.FormTag.initFormBean(FormTag.java:563) 
at org.apache.struts.taglib.html.FormTag.doStartTag(FormTag.java:520)   
at _Address._jspService(Address.jsp:16) [SRC:/Address.jsp]  
at com.orionserver[Oracle Application Server Containers for J2EE 10g 
(10.1.2.0.0)].http.OrionHttpJspPage.service(OrionHttpJspPage.java:57)   
at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:347) 
at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:509
)   at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:413) 
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) 
at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65)
    at oracle.security.jazn.oc4j.JAZNFilter.doFilter(Unknown Source)
    at com.evermind[Oracle Application Server Containers for J2EE 10g 
(10.1.2.0.0)].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:649)    at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:322) at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:790)  at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:270) at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:112) at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.0)].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)   at java.lang.Thread.run(Thread.java:534)

My program is giving the following errors,i am using Jdeveloper and struts and JSP I have used following: AddressAction.java

import javax.servlet.http.HttpServletResponse;
import java.lang.String;
import java.lang.Object;
//import javax.swing.Action;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

public class AddressAction extends Action
{
  public ActionForward execute(
    ActionMapping mapping,
    ActionForm form,
    HttpServletRequest request,
    HttpServletResponse response) throws Exception{
      return mapping.findForward("success");
  }
}

AddressForm.java

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import javax.swing.Action;
import org.apache.struts.action.*;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
/*
 * Form bean for the Address Entry Screen.
 *
*/
public class AddressForm extends ActionForm
{
  private String name=null;
  private String address=null;
  private String emailAddress=null;

  public void setName(String name){
    this.name=name;
  }

  public String getName(){
    return this.name;
  }

  public void setAddress(String address){
    this.address=address;
  }

  public String getAddress(){
    return this.address;
  }


  public void setEmailAddress(String emailAddress){
    this.emailAddress=emailAddress;
  }

  public String getEmailAddress(){
    return this.emailAddress;
  }


    /**
     * Reset all properties to their default values.
     *
     * @param mapping The mapping used to select this instance
     * @param request The servlet request we are processing
     */
    public void reset(ActionMapping mapping, HttpServletRequest request) {
    this.name=null;
    this.address=null;
    this.emailAddress=null;
    }

    /**
     * Reset all properties to their default values.
     *
     * @param mapping The mapping used to select this instance
     * @param request The servlet request we are processing
   * @return errors
     */
  public ActionErrors validate( 
      ActionMapping mapping, HttpServletRequest request ) {
      ActionErrors errors = new ActionErrors();

      if( getName() == null || getName().length() < 1 ) {
        errors.add("name",new ActionMessage("error.name.required"));
      }
      if( getAddress() == null || getAddress().length() < 1 ) {
        errors.add("address",new ActionMessage("error.address.required"));
      }
      if( getEmailAddress() == null || getEmailAddress().length() < 1 ) {
        errors.add("emailaddress",new ActionMessage("error.emailaddress.required"));
      }

      return errors;
  }

}

struts-confi.XML

<?xml version = '1.0' encoding = 'windows-1252'?>
<!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.1//EN" "http://jakarta.apache.org/struts/dtds/struts-config_1_1.dtd">
<struts-config>
<form-beans>
<form-bean name="AddressForm" type="view.AddressForm"/>
</form-beans>
<action-mappings>
<action path="/Address" name="AddressForm" scope="request" validate="true" input="/pages/Address.jsp">
    <forward name="success" path="/pages/success.jsp"/>
</action>
</action-mappings>
  <message-resources parameter="view.ApplicationResources"/>
</struts-config>

Address.jsp

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

   <html>

   <head>

   <title>Welcome</title>

   <html:base/>

   </head>

   <body bgcolor="white">

   <html:form action="Address.do">

   <html:errors/>

   <table>

        <tr>

          <td align="center" colspan="2">
        <font size="4">Please Enter the Following Details</font>
    </tr>
    <tr>
          <td align="right">
            Name
          </td>
          <td align="left">
            <html:text property="name" size="30" maxlength="30"/>
          </td>
        </tr>
        <tr>
          <td align="right">
            Address
          </td>
          <td align="left">
            <html:text property="address" size="30" maxlength="30"/>
          </td>
        </tr>

        <tr>
          <td align="right">
            E-mail address
          </td>
          <td align="left">
            <html:text property="emailAddress" size="30" maxlength="30"/>
          </td>
        </tr>
    <tr>
          <td align="right">
            <html:submit>Save</html:submit>
          </td>
          <td align="left">
            <html:cancel>Cancel</html:cancel>
          </td>
        </tr>
  </table>
   </html:form>
   </body>
   </html>

Please help me to solve the problem,it executes properly but broser ives 500 internal error repeately.thank u