项目场景:
使用C3P0数据库连接池连接数据库
问题描述:
报错如下:
java
.lang
.NoClassDefFoundError
: com
/mchange
/v2
/ser
/Indirector
util
.JDBCUtils
.<clinit>(JDBCUtils
.java
:10)
dao
.UserDao
.userLogin(UserDao
.java
:17)
service
.impl
.UserServiceImpl
.userLogin(UserServiceImpl
.java
:14)
controller
.UserController
.UserLogin(UserController
.java
:57)
controller
.UserController
.doGet(UserController
.java
:29)
javax
.servlet
.http
.HttpServlet
.service(HttpServlet
.java
:634)
javax
.servlet
.http
.HttpServlet
.service(HttpServlet
.java
:741)
org
.apache
.tomcat
.websocket
.server
.WsFilter
.doFilter(WsFilter
.java
:52)
解决方案:
重新导入c3p0 jar以及配置文件
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