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No getter method for property: "userName" of bean: "result"

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posted 15 years ago

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Hello all,

i am getting No getter method for property: "userName" of bean: "result" this exception.I serched this forum for same got lot of solutions as change property to proper javabean standards tried that but it not helped.

I am giving my code please tell me:
Register.jsp

<%@page contentType="text/html"%>
<%@page pageEncoding="UTF-8"%>

<%@ taglib uri="http://jakarta.apache.org/struts/tags-bean" prefix="bean" %>
<%@ taglib uri="http://jakarta.apache.org/struts/tags-html" prefix="html" %>
<%@ taglib uri="http://jakarta.apache.org/struts/tags-logic" prefix="logic" %>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
   "http://www.w3.org/TR/html4/loose.dtd">

<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
        <title>JSP Page</title>
    </head>
    <body>
         <form action="Register.do" method="post" > 
            <h2>Register Information</h2>
            <table>
                <th></th>
                <th></th>
                <tr>
                    <td>
                   User Name: <input type="text"  name="username" />
                    </td>
                </tr>
                <td>
               Password : <input type="password" name="password"/>
                </td>
            </table>
            <html:submit  property="function"  value="Add"></html:submit>
            <html:submit  property="function"  value="Update"></html:submit>
            <html:submit  property="function"  value="Delete"></html:submit>
            <html:submit  property="function"  value="ShowAllUser"></html:submit>
            
        </form>
        <logic:present name="RegForm" property="results">
            <bean:size id="size" name="RegForm" property="results"/>
            <logic:equal name="size" value="0">
                <h2> No Users Found.......</h2>>
            </logic:equal>
            
            <logic:greaterThan name="size" value="0">
                <table border="1"  >
                    <tr>
                        <th> UserName</th>
                    </tr>
                    <logic:iterate id="result" name="RegForm" property="results">
                        <tr>
                           <td>
                               <td><bean:write name="result" property="userName"/></td>
                           </td>
                            
                        </tr>
                    </logic:iterate>
                </table>
                </logic:greaterThan>
                
            
        </logic:present>
    </body>
</html>

RegForm.java

Action class:

public class AddUpdateDeleteAction extends DispatchAction {

public ActionForward Add(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) {
        try {
            RegisterService loginModel = new RegisterService();
            RegForm userForm = (RegForm) form;
            String uname = userForm.getUserName();
            String pass = userForm.getPassWord();
            loginModel.addUser(uname, pass);
        } catch (Exception e) {
            e.printStackTrace();
        }

return mapping.findForward("success");
    }

public ActionForward Update(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) {
        try {
            RegisterService loginModel = new RegisterService();
            RegForm userForm = (RegForm) form;
            String uname = userForm.getUserName();
            loginModel.updateUser(uname);
        } catch (Exception e) {
            e.printStackTrace();
        }

return mapping.findForward("success");
    }

public ActionForward Delete(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) {
        try {
            RegisterService loginModel = new RegisterService();
            RegForm userForm = (RegForm) form;
            String uname = userForm.getUserName();
            loginModel.deleteUser(uname);
        } catch (Exception e) {
            e.printStackTrace();
        }

return mapping.findForward("success");
    }

public ActionForward ShowAllUser(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) {
        try {
            RegisterService loginModel = new RegisterService();
            RegForm userForm = (RegForm) form;
            List userList = loginModel.viewAllUser();
            
            userForm.setResults(userList);
            System.out.println("userList================" + userList.size());

} catch (Exception e) {
            e.printStackTrace();
        }

return mapping.getInputForward();
    }
}

RegisterService.java

public class RegisterService {

DbConnection dbConnect = new DbConnection();
    Connection conn = null;

public void addUser(String uname, String pass) {
        try {
            String sql = "insert into login(username,password) values( '" + uname + "', '" + pass + "') ";
            conn = dbConnect.getConnection();
            Statement state = conn.createStatement();
            int count = state.executeUpdate(sql);
        } catch (Exception e) {
            e.printStackTrace();
        }

}

public void updateUser(String uname) {
        try {
            String sql = "update login set username ='" + uname + "' where password='girish'";
            conn = dbConnect.getConnection();
            Statement state = conn.createStatement();
            int count = state.executeUpdate(sql);
        } catch (Exception e) {
            e.printStackTrace();
        }

}

public void deleteUser(String uname) {
        try {
            String sql = "delete from login where username= '" + uname + "'";
            conn = dbConnect.getConnection();
            Statement state = conn.createStatement();
            int count = state.executeUpdate(sql);
        } catch (Exception e) {
            e.printStackTrace();
        }

}

public List viewAllUser() {
        List listUsers = new ArrayList();
        try {
            String sql = "select * from login";
            conn = dbConnect.getConnection();
            Statement state = conn.createStatement();
            ResultSet rs = state.executeQuery(sql);

while (rs.next()) {
                listUsers.add(rs.getString("username"));
            }

} catch (Exception e) {
            e.printStackTrace();
        }
        return listUsers;

}
}

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
    <servlet>
        <servlet-name>action</servlet-name>
        <servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
        <init-param>
            <param-name>config</param-name>
            <param-value>/WEB-INF/struts-config.xml</param-value>
        </init-param>
        <init-param>
            <param-name>debug</param-name>
            <param-value>2</param-value>
        </init-param>
        <init-param>
            <param-name>detail</param-name>
            <param-value>2</param-value>
        </init-param>
        <load-on-startup>2</load-on-startup>
        </servlet>
    <servlet-mapping>
        <servlet-name>action</servlet-name>
        <url-pattern>*.do</url-pattern>
    </servlet-mapping>
    <session-config>
        <session-timeout>
            30
        </session-timeout>
    </session-config>
    <welcome-file-list>
        <welcome-file>Register.jsp</welcome-file>
        </welcome-file-list>
    <jsp-config>
        <taglib>
            <taglib-uri>/WEB-INF/struts-bean.tld</taglib-uri>
            <taglib-location>/WEB-INF/struts-bean.tld</taglib-location>
        </taglib>
        <taglib>
            <taglib-uri>/WEB-INF/struts-html.tld</taglib-uri>
            <taglib-location>/WEB-INF/struts-html.tld</taglib-location>
        </taglib>
        <taglib>
            <taglib-uri>/WEB-INF/struts-logic.tld</taglib-uri>
            <taglib-location>/WEB-INF/struts-logic.tld</taglib-location>
        </taglib>
        <taglib>
            <taglib-uri>/WEB-INF/struts-nested.tld</taglib-uri>
            <taglib-location>/WEB-INF/struts-nested.tld</taglib-location>
        </taglib>
        <taglib>
            <taglib-uri>/WEB-INF/struts-tiles.tld</taglib-uri>
            <taglib-location>/WEB-INF/struts-tiles.tld</taglib-location>
        </taglib>
        </jsp-config>
    </web-app>

strusts-config.xml

<?xml version="1.0" encoding="UTF-8" ?>

<!DOCTYPE struts-config PUBLIC
          "-//Apache Software Foundation//DTD Struts Configuration 1.2//EN"
          "http://jakarta.apache.org/struts/dtds/struts-config_1_2.dtd">
<struts-config>
    <form-beans>
        <form-bean name="RegForm" type="FormClass.RegForm"/>
    </form-beans>
    <global-exceptions>
    </global-exceptions>
    <global-forwards>
        <forward name="Register"  path="/Register.jsp"/>
        <forward name="success"  path="/home.jsp"/>
    </global-forwards>
    <action-mappings>
        <action path="/Register"
        type="ControllerClasses.AddUpdateDeleteAction"
        parameter="function"
        name="RegForm"
        scope="request"
        input="/Register.jsp"
                      />
    </action-mappings>
    <controller processorClass="org.apache.struts.tiles.TilesRequestProcessor"/>
    <message-resources parameter="com/myapp/struts/ApplicationResource"/>    
    
    
    <plug-in className="org.apache.struts.tiles.TilesPlugin" >
        <set-property property="definitions-config" value="/WEB-INF/tiles-defs.xml" />
        <set-property property="moduleAware" value="true" />
    </plug-in>
    
    
    <plug-in className="org.apache.struts.validator.ValidatorPlugIn">
        <set-property
            property="pathnames"
            value="/WEB-INF/validator-rules.xml,/WEB-INF/validation.xml"/>
    </plug-in>
</struts-config>

David Newton

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Posts: 12617

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posted 15 years ago

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Does the object contained in the form property results have a property named userName? The *form* does, but that's not what your code is asking for: your code is iterating over a list of unknown (to us) objects, each of which is expected to have a userName property.

pallavi chaudhari

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Posts: 54

posted 15 years ago

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Thanks David Newton ,

Got your point and did changes in code......that solved my problem

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