c3p0问题java.lang.AbstractMethodError:Method com/mchange/v2/c3p0/impl/NewProxyResultSet.isClosed

c3p0连接池出现如下问题

java.lang.AbstractMethodError: Method com/mchange/v2/c3p0/impl/NewProxyResultSet.isClosed()Z is abstract

解决问题

更新c3p0的jar包

<!--连接池-->
<dependency>
     <groupId>com.mchange</groupId>
     <artifactId>c3p0</artifactId>
     <version>0.9.5.2</version>
</dependency>