大概率导错包了。
在使用DruidDataSource连接MySQL时，连接失败，报错com.alibaba.druid.pool.DruidPooledConnection cannot be cast to sun.rmi.transport.Connection。
我的原因是导入了错误的包。
正确的应该是import java.sql.Connection;
相关文章
- 报错 com.alibaba.druid.pool.DruidPooledConnection cannot be cast to sun.rmi.transport.Connection
- java.math.BigInteger cannot be cast to java.lang.Long异常报错解决方法
- Mybatis报错: java.lang.ClassCastException: java.lang.String cannot be cast to java.lang.Character
- java后台接收json数据，报错com.alibaba.fastjson.JSONObject cannot be cast to xxx
- 用java运行Hadoop程序报错:org.apache.hadoop.fs.LocalFileSystem cannot be cast to org.apache.
- 报错：java.lang.ClassCastException: [Ljava.lang.Object; cannot be cast to com.xxx.entity.PersonEntity
- cannot be cast to javax.servlet.Filter 报错, 原因servlet-api.jar冲突
- spring jpa 测试时报错：java.lang.ClassCastException: com.sun.proxy.$Proxy20 cannot be cast to com.pp.dao.
- "xxx cannot be cast to jakarta.servlet.Servlet "报错解决方式
- SSH整合时执行hibernate查询报错:java.lang.ClassCastException: com.ch.hibernate.Department_$$_javassist_0 cannot be cast to javassist.util.proxy