spring整合mybatis NewProxyPreparedStatement.isClosed()Z is abstract

错误提示：java.lang.AbstractMethodError: Method com/mchange/v2/c3p0/impl/NewProxyPreparedStatement.isClosed()Z is abstract at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.isClosed

 

原因：c3p0-0.9.2-pre1包bug

解决办法：使用c3p0-0.9.5.2包替换，问题解决