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javax.servlet.ServletException: Exception creating bean of class

Submitted by ghazaal on Fri, 09/11/2009 - 16:33.

Tags:

Hi,

I got the following error while running
sample struts application. I would appreciate any
help.

struts version= 1.1

error:

========

javax.servlet.ServletException: Exception creating bean of class struts1.form.TestActionForm: {1}

org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:848)

org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:781)

org.apache.jsp.test.test_jsp._jspService(org.apache.jsp.test.test_jsp:86)

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:291)

org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)

javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

root cause

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

test.jsp

===========

<%@ page contentType="text/html; charset=utf-8"%>

<%@ taglib uri="/WEB-INF/struts-bean.tld"
prefix="bean" %>

<%@ taglib uri="/WEB-INF/struts-html.tld"
prefix="html" %>

<%@ taglib uri="/WEB-INF/struts-logic.tld"
prefix="logic" %>

<html:html>

<head>

</head>

<body >

<tr>

<td>

<html:form action="test"
method="POST">

<html:text property="userName" />

<br>

<strong><font size="4">Password:
</font> </strong>

<html:text
property="password" />

<br>

<html:submit
property="submit" value="Save" />

<html:submit
property="submit" value="Delete" />

<html:reset value="Reset"
/>

</html:form>

</td>

</tr>

</table>

</body>

</html:html>

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

struts-confif.xml

===================

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

<!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>

<data-sources>

</data-sources>

<form-beans>

<form-bean
name="testActionForm"
type="struts1.form.TestActionForm" />

</form-beans>

<global-exceptions
/>

<global-forwards
/>

<action-mappings>

<action
attribute="TestActionForm"
input="/test/test.jsp"

name="testActionForm"
parameter="do" path="/test" scope="request"

type="struts1.action.TestAction">

</action>

</action-mappings>

<message-resources
parameter="struts1.ApplicationResources" />

</struts-config>

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

Action Class:

==============

package struts1.action;

import struts1.form.TestActionForm;

import org.apache.struts.action.*;

import javax.servlet.http.*;

public class TestAction extends Action {

public ActionForward execute(ActionMapping mapping, ActionForm
form,

HttpServletRequest request, HttpServletResponse
response) {

TestActionForm form1 = (TestActionForm)form;

if (request.getParameter("submit").equalsIgnoreCase("Save"))

form1.save();

if (request.getParameter("submit").equalsIgnoreCase("Delete"))

form1.delete();

if (request.getAttribute("err") == null){

request.setAttribute("userName",
form1.getUserName());

request.setAttribute("password", form1.getPassword());

return mapping.findForward("success");

}

else

return mapping.findForward(request.getAttribute("err").toString());

}

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

Action Form Class:

====================

package struts1.form;

import java.sql.Connection;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.sql.Statement;

import java.util.Properties;

import com.mysql.jdbc.ReplicationDriver;

import javax.servlet.http.HttpServletRequest;

import org.apache.struts.action.ActionErrors;

import org.apache.struts.action.ActionForm;

import org.apache.struts.action.ActionMapping;

public class TestActionForm extends ActionForm {

private static final long serialVersionUID =
-7296021341331004928L;

private String userName;

private String password;

private String result;

private Connection con;

private String sql ="";

private String sql2 ="";

private Statement st;

private ResultSet rs;

public TestActionForm () {
super(); }

public String getPassword() {

return password;

}

public void setPassword(String
password) {

this.password = password;

}

public String getUserName() {

return userName;

}

public void setUserName(String userName) {

this.userName = userName;

}

public ActionErrors validate(ActionMapping
actionMapping, HttpServletRequest
request) {

userName = request.getParameter("userName");

password = request.getParameter("password");

if (userName == null || password
== null )

request.setAttribute("err", "roleErr");

if ((result == "You have entered an incorrect username
or password")||

(result == "you could not assign user to role that are
not available"))

request.setAttribute("err", "userRoleErr");

return null;

}

public String save(){

sql = "insert into test (userName, password) values ("+

"'"+this.getUserName()+

"', '"+this.getPassword()+"'
);";

Properties
props = new Properties();

try {

ReplicationDriver
driver = new ReplicationDriver();

props.put("autoReconnect", "true");

props.put("roundRobinLoadBalance", "true");

props.put("failOverReadOnly", "false");

props.put("user",
"root");

props.put("password",
"");

Class.forName("com.mysql.jdbc.Driver").newInstance();

con =driver.connect("jdbc:mysql://localhost,localhost/project",

props);

con.setReadOnly(false);

con.createStatement().executeUpdate(sql);

} catch(Exception
e) {

System.err.println("Exception: " + e.getMessage());

} finally {

try {

if(con !=
null)

con.close();

} catch(SQLException e) {}

}

return sql;

}

public void delete(){

sql = "delete from user where
" +

"roleName='"+this.getUserName()+"';";

Properties
props = new Properties();

try {

ReplicationDriver
driver = new ReplicationDriver();

props.put("autoReconnect", "true");

props.put("roundRobinLoadBalance", "true");

props.put("failOverReadOnly", "false");

props.put("user",
"root");

props.put("password",
"");

Class.forName("com.mysql.jdbc.Driver").newInstance();

con =driver.connect("jdbc:mysql://localhost,localhost/project",

props);

con.setReadOnly(false);

con.createStatement().executeUpdate(sql);

} catch(Exception
e) {

System.err.println("Exception: " + e.getMessage());

} finally {

try {

if(con !=
null)

con.close();

} catch(SQLException e) {}

}

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

web.xml

===========

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

<web-app xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
version="2.4" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">

<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>3</param-value>

</init-param>

<init-param>

<param-name>detail</param-name>

<param-value>3</param-value>

</init-param>

<load-on-startup>0</load-on-startup>

</servlet>

<servlet-mapping>

<servlet-name>action</servlet-name>

<url-pattern>*.do</url-pattern>

</servlet-mapping>

<welcome-file-list>

<welcome-file>index.jsp</welcome-file>

</welcome-file-list>

</web-app>

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javax.servlet.ServletException: Exception creating bean of class