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java程序通过外网的ip连接数据库

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java程序通过外网的ip连接数据库

怎么连接呢？并且那个数据库服务器防火墙已经关闭且提供了端口号，但是在项目启动到springScurty是就一直等待，这是为啥啊，。有没有认遇到过？


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by (71.8m points)

你抛出下异常看看是什么原因不就行了


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