Receiver class com.mchange.v2.c3p0.impl.NewProxyResultSet does not define or inherit an implementation of the resolved method abstract isClosed()Z

出现了如下错误，查询后发现极大概率是c3p0的jar包版本过低，更换版本更高的jar包后就正常了，记得导入坐标后要刷新一下，同时在lib目录里把原版本删除