RDS Proxy raises InvalidParameterValue error

Question

Hi, I'm glad RDS Proxy was generally available.  
I'm applying RDS Proxy to my Aurora MySQL 5.7.12 cluster, referring to  .  
But I cannot register DB Proxy Targets as follows:

```
% aws rds register-db-proxy-targets --db-proxy-name my-rds-proxy --db-instance-identifier my-rds-cluster

An error occurred (InvalidParameterValue) when calling the RegisterDBProxyTargets operation: Database engine OSCAR 5.7.12 for DB Instance my-rds-cluster is not supported. Register the DB cluster instead of DB instance, or use another DB instance that is supported.
```

Document said, _"You can simplify connection management for your Amazon RDS DB instances and Amazon Aurora DB clusters by using RDS Proxy."_ My aurora can't though.  
Any solutions?

Accepted Answer

Hello,  
  
As per the command used by you, I can see that the AWS CLI command for registering target group of RDS Proxy uses --db-instance-identifiers option which needs a "instance identifier" and I suspect that the "Cluster Identifier" was mentioned.   
  
For cluster, you can use the option "--db-cluster-identifiers". The above information is mentioned in the below document.  
\[+] https://docs.aws.amazon.com/cli/latest/reference/rds/register-db-proxy-targets.html

RDS Proxy raises InvalidParameterValue error

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