AWS Aurora MySQL serverless: how to connect from MySQL Workbench

Question

I was trying to use AWS Aurora Serverless for MySQL in my project, but I am impossible to connect to it, though I have the endpoint, username, password.

What I have

Answer 1

My guess is your security group is not correctly setup for access. You need to explicitly allow remote access on that port to that instance.

From the official docs:

Two common causes of connection failures to a new DB instance are:

• The DB instance was created using a security group that does not authorize connections from the device or Amazon EC2 instance where the MySQL application or utility is running. If the DB instance was created in a VPC, it must have a VPC security group that authorizes the connections. If the DB instance was created outside of a VPC, it must have a DB security group that authorizes the connections.

• The DB instance was created using the default port of 3306, and your company has firewall rules blocking connections to that port from devices in your company network. To fix this failure, recreate the instance with a different port.

See here for more information:

https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_ConnectToInstance.html

Answer 2

One way to connect to an Aurora Serverless DB cluster is by using an Amazon EC2 instance. You cannot create publicly accessible Aurora Serverless DB clusters in the Preview. This task walks you through creating a publicly accessible Amazon EC2 instance in your VPC. You can use this Amazon EC2 instance to connect to an Aurora Serverless DB cluster.

This is directly from the docs provided upon preview signup. Please try creating an EC2 instance and using SSH Tunnel method in your MYSQL Workbench or SQL UI of choice. During the preview the Aurora Serverless is not allowed to be set to publicly accessible.