ssm c3p0连接数据库错误

org.springframework.web.util.NestedServletException: Handler dispatch
failed; nested exception is java.lang.AbstractMethodError: Method
com/mchange/v2/c3p0/impl/NewProxyResultSet.isClosed()Z is abstract

<dependency>
     <groupId>com.mchange</groupId>
     <artifactId>c3p0</artifactId>
     <version>0.9.5.2</version>
</dependency>