struts2.2.3 madatory jar packages：
struts2-core-2.2.3.jar
xwork-core-2.2.3.jar
commons-fileupload-1.2.2.jar
commons-io-2.0.1.jar
commons-lang-2.5.jar
commons-logging-1.1.1.jar
freemarker-2.3.16.jar
javassist-3.11.0.GA.jar (This one's location is different. You need use winrar to open one of files in apps (struts2-blank.war). it is in the src dictory)
ognl-3.0.1.jar


Errors:

java.lang.NoClassDefFoundError: org/apache/commons/io/FileUtils
lack of commons io package

java.lang.NoClassDefFoundError: org/apache/commons/lang/StringUtils
lack of commons lang package

java.lang.ClassNotFoundException: javassist.ClassPool
lack of javassist package

The following is an example:

login.jsp inputs username and password, then show them in result.jsp

login.jsp

   
   
   
   
    
    
    
    
    
  1. <body> 
    2. 
    
    
    
    
  2.   <form action="login"> 
    3. 
    
    
    
    
  3.     username: <input type="text" name="username"/><br/> 
    4. 
    
    
    
    
  4.     password: <input type="password" name="password"/><br/> 
    5. 
    
    
    
    
  5.     <input type="submit" value="submit"/> 
    6. 
    
    
    
    
  6.   form> 
    7. 
    
    
    
    
  7. body> 
    8.

result.jsp

   
   
   
   
    
    
    
    
    
  1. <body> 
    2. 
    
    
    
    
  2.   username: ${requestScope.username }<br> 
    3. 
    
    
    
    
  3.   password: ${requestScope.password }<br> 
    4. 
    
    
    
    
  4. body> 
    5.

Server part:

   
   
   
   
    
    
    
    
    
  1. package com.junxu.struts2; 
    2. 
    
    
    
    
  2.  
    3. 
    
    
    
    
  3. public class LoginAction 
    4. 
    
    
    
    
  4. { 
    5. 
    
    
    
    
  5.     private String username; 
    6. 
    
    
    
    
  6.     private String password; 
    7. 
    
    
    
    
  7.      
    8. 
    
    
    
    
  8.     public String getUsername() 
    9. 
    
    
    
    
  9.     { 
    10. 
    
    
    
    
  10.         return username; 
    11. 
    
    
    
    
  11.     } 
    12. 
    
    
    
    
  12.     public void setUsername(String username) 
    13. 
    
    
    
    
  13.     { 
    14. 
    
    
    
    
  14.         this.username = username; 
    15. 
    
    
    
    
  15.     } 
    16. 
    
    
    
    
  16.     public String getPassword() 
    17. 
    
    
    
    
  17.     { 
    18. 
    
    
    
    
  18.         return password; 
    19. 
    
    
    
    
  19.     } 
    20. 
    
    
    
    
  20.     public void setPassword(String password) 
    21. 
    
    
    
    
  21.     { 
    22. 
    
    
    
    
  22.         this.password = password; 
    23. 
    
    
    
    
  23.     } 
    24. 
    
    
    
    
  24.      
    25. 
    
    
    
    
  25.     public String execute() 
    26. 
    
    
    
    
  26.     { 
    27. 
    
    
    
    
  27.         return "success"; 
    28. 
    
    
    
    
  28.     } 
    29. 
    
    
    
    
  29. } 
    30.

struts.xml

   
   
   
   
    
    
    
    
    
  1. xml version="1.0" encoding="UTF-8"?> 
    2. 
    
    
    
    
    3. 
    
    
    
    
  3.     "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" 
    4. 
    
    
    
    
  4.     "http://struts.apache.org/dtds/struts-2.0.dtd"> 
    5. 
    
    
    
    
  5.      
    6. 
    
    
    
    
  6. <struts> 
    7. 
    
    
    
    
  7.     <package name="struts2" extends="struts-default"> 
    8. 
    
    
    
    
  8.         <action name="login" class="com.junxu.struts2.LoginAction"> 
    9. 
    
    
    
    
  9.             <result name="success">/result.jspresult> 
    10. 
    
    
    
    
  10.         action> 
    11. 
    
    
    
    
  11.     package> 
    12. 
    
    
    
    
  12. struts> 
    13.

web.xml

   
   
   
   
    
    
    
    
    
  1. xml version="1.0" encoding="UTF-8"?> 
    2. 
    
    
    
    
  2. <web-app version="2.5"  
    3. 
    
    
    
    
  3.     xmlns="http://java.sun.com/xml/ns/javaee"  
    4. 
    
    
    
    
  4.     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
    5. 
    
    
    
    
  5.     xsi:schemaLocation="http://java.sun.com/xml/ns/javaee  
    6. 
    
    
    
    
  6.     http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"> 
    7. 
    
    
    
    
  7.  
    8. 
    
    
    
    
  8.     <filter> 
    9. 
    
    
    
    
  9.         <filter-name>struts2filter-name> 
    10. 
    
    
    
    
  10.         <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilterfilter-class> 
    11. 
    
    
    
    
  11.     filter> 
    12. 
    
    
    
    
  12.      
    13. 
    
    
    
    
  13.     <filter-mapping> 
    14. 
    
    
    
    
  14.         <filter-name>struts2filter-name> 
    15. 
    
    
    
    
  15.         <url-pattern>/*url-pattern> 
    16. 
    
    
    
    
  16.     filter-mapping> 
    17. 
    
    
    
    
  17.      
    18. 
    
    
    
    
  18. web-app> 
    19.