1.报错:Servlet.service() for servlet [SpringServlet] in context with path [] threw exception [Handler dispatch failed; nested exception is java.lang.AbstractMethodError: Method com/mchange/v2/c3p0/impl/NewProxyPreparedStatement.isClosed()Z is abstract] with root cause
2.是版本的问题,修改c3p0版本即可
来源:CSDN
作者:厚土_
链接:https://blog.csdn.net/qq_42727102/article/details/103166825