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无法连接到在Amazon EC2实例上运行的mysql

[英]not able to connect to mysql running on amazon ec2 instance

I'm running mysql on ec2 instance. 我在ec2实例上运行mysql。 I can connect to this db by doing an SSH to that instance and then connecting to mysql server on command line. 我可以通过对该实例执行SSH,然后在命令行上连接到mysql服务器,来连接到该数据库。 But when I try connecting to it via mysql JDBC I get connection timeout error. 但是,当我尝试通过mysql JDBC连接到它时,出现连接超时错误。 I have an RDS instance also that has mysql to which I can connect through mysql JDBC. 我有一个RDS实例,该实例也具有可以通过mysql JDBC连接到的mysql。 What might be the issue? 可能是什么问题?

转到ec2实例的安全设置,请打开端口号3306,您应该可以连接到mysql

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