MyBatis用域名连接数据库出现无法创建事物的问题？

Question

org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.)

我之前改成localhost就行了

现在服务器跟数据库不在一个服务器

只能用域名连接

结果又出现了

Answer 1

换服务器之后 数据库密码换了吧

Answer 2

无法创建事务和域名连接没有关系，楼主的错误信息是连接异常，查查是不是网络问题。