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Although Execution Role is a required item when creating AWS MSK Connector, as follows:
and the Execution Role sample given in the official document: https://docs.aws.amazon.com/msk/latest/ In developerguide/msk-connect-service-execution-role.html, the operation authority for a certain MSK cluster is often configured. This will lead to a misunderstanding, that is, it will make people mistakenly think that: MSK Connector must configure permissions for a certain MSK cluster, and then use Execution Role to obtain these permissions to access this MSK cluster, but in fact The logic is this:
1. Execution Role is indeed mandatory for MSK Connector!
2. The permission configuration for a certain MSK cluster in Execution Role is not necessary! In fact, it is only valid when the MSK cluster uses IAM authentication.
3. For a non-IAM-authenticated MSK cluster, the Execution Role of the MSK Connector may not contain any real Policy