File list (Check if you may need any files):
chat
....\chat
....\....\.classpath
....\....\.mymetadata
....\....\.project
....\....\src
....\....\...\dao
....\....\...\...\BaseDao.java
....\....\...\...\UserinfoDao.java
....\....\...\entity
....\....\...\......\Userinfo.java
....\....\...\util
....\....\...\....\Tools.java
....\....\WebRoot
....\....\.......\chat
....\....\.......\....\bottom.jsp
....\....\.......\....\chat.jsp
....\....\.......\....\doMessage.jsp
....\....\.......\....\messagelist.jsp
....\....\.......\....\userlist.jsp
....\....\.......\dologin.jsp
....\....\.......\index.jsp
....\....\.......\META-INF
....\....\.......\........\MANIFEST.MF
....\....\.......\WEB-INF
....\....\.......\.......\classes
....\....\.......\.......\.......\dao
....\....\.......\.......\.......\...\BaseDao.class
....\....\.......\.......\.......\...\UserinfoDao.class
....\....\.......\.......\.......\entity
....\....\.......\.......\.......\......\Userinfo.class
....\....\.......\.......\.......\util
....\....\.......\.......\.......\....\Tools.class
....\....\.......\.......\lib
....\....\.......\.......\...\sqljdbc.jar
....\....\.......\.......\web.xml