实训 mysql ssh

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server

数据库url中ip地址写错..

jsp向action传值不成功：

改一下name

Mysql connector /odbc 64 bit    安装时 ODBC error 13 不能装载XXX   

http://www.myexception.cn/windows-xp/1453622.html 

struts2 filter 不能过滤action

http://blog.csdn.net/pk490525/article/details/11194265

验证码

http://www.cnblogs.com/dongliyang/archive/2012/08/24/2654431.html