Exception :(Servlet action is not available) is not available.

Question

I am using mvc frame work(Struts)
IDE is eclipse
I dont know where i am going wrong
please help me in this regards

Answer 1

My Struts config.xml
<struts-config>
     <form-beans>
          <form-bean name="processBean"  path="com.pennywise.bean.ProcessBean"/>
          <form-bean name="user"  path="com.pennywise.bean.User"/>
          <form-bean name="user3"  path="com.pennywise.bean.User3"/>
          <form-bean name="user4"  path="com.pennywise.bean.User4"/>     
          <form-bean name="userTeam"  path="com.pennywise.bean.UserTeam"/>     
     </form-beans>
     <global-forwards>
     </global-forwards>
<action-mappings>
     <action path="/loginservlet4" type="com.pennywise.action.LoginServlet4"
                    name="user4"
                    input="form.html"
                    scope="request" validate="true" >
               <forward name="success" path="form4.jsp" />
               <forward name="fail" path="form.html" />
          </action>
<data-sources>
     <data-source type="org.apache.tomcat.dbcp.dbcp.BasicDataSource">
         <set-property property="driverClassName" value="com.mysql.jdbc.Driver" />
         <set-property property="url" value="jdbc:mysql://167.186.11.246/Bidding"/>
         <set-property property="username" value="mysql" />
         <set-property property="password" value="pennywise"/>
         <set-property property="maxActive" value="10" />
         <set-property property="maxWait" value="5000" />
         <set-property property="defaultAutoCommit" value="false" />
         <set-property property="defaultReadOnly" value="false" />
     </data-source>
</data-sources>
  </struts-config>     My web.xml
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE web-app
    PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
    "http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">
<web-app>
<!-- Action Servlet Configuration -->
<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>application</param-name>
      <param-value>application</param-value>
    </init-param>
    <init-param>
      <param-name>debug</param-name>
      <param-value>2</param-value>
    </init-param>
    <load-on-startup>2</load-on-startup>
</servlet>
  <!-- Action Servlet Mapping -->
    <servlet-mapping>
             <servlet-name>action</servlet-name>
             <url-pattern>*.do</url-pattern>
        </servlet-mapping>
    <welcome-file-list>
<welcome-file>form.html</welcome-file>
</welcome-file-list>
<taglib>
     <taglib-uri>/WEB-INF/tld/struts.tld</taglib-uri>
     <taglib-location>/WEB-INF/tld/struts.tld</taglib-location>
</taglib>
<taglib>
     <taglib-uri>/WEB-INF/tld/struts-bean.tld</taglib-uri>
    <taglib-location>/WEB-INF/tld/struts-bean.tld</taglib-location>
  </taglib>
  <taglib>
    <taglib-uri>/WEB-INF/tld/struts-form.tld</taglib-uri>
    <taglib-location>/WEB-INF/tld/struts-form.tld</taglib-location>
  </taglib>
  <taglib>
       <taglib-uri>/WEB-INF/tld/struts-html.tld</taglib-uri>   
       <taglib-location>/WEB-INF/tld/struts-html.tld</taglib-location>
  </taglib>
  <taglib>
       <taglib-uri>/WEB-INF/tld/struts-logic.tld</taglib-uri>
     <taglib-location>/WEB-INF/tld/struts-logic.tld</taglib-location>
  </taglib> 
</web-app>   My ActionServlet
package com.pennywise.action;
  import java.io.*;
  import java.util.*;
  import javax.servlet.*;
  import javax.servlet.http.*;
import com.pennywise.bean.User4;
import com.pennywise.services.UserServices4;
import java.sql.*;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForward;
   public class LoginServlet4 extends Action
           public ActionForward execute(ActionMapping mapping,
                                                    ActionForm form,
                                                    HttpServletRequest req,
                                                    HttpServletResponse res)throws Exception
       res.setContentType("text/html");
       PrintWriter out=res.getWriter();
       ActionError error=null;
       ActionErrors ae=null;
       try{
       User4 user= (User4)form;
       UserServices4 userServices4= new UserServices4();
       ArrayList userList = (ArrayList)userServices4.listUser4();
       req.setAttribute("userList",userList);
            }catch(Exception e)
               System.out.println(e);
            }//catch
          return mapping.findForward("success");
     }//actionForward