In the Nexus logs, there is a line about an unsuccessful connection to Docker Hub as an anonymous user for the proxy repository, even though the repository settings explicitly specify an account. Why does this happen? Is the first attempt always made as an anonymous user? Can this be disabled?
anonymous org.apache.http.impl.execchain.RetryExec - I/O exception (org.apache.http.NoHttpResponseException) caught when processing request to {s}->https://registry-1.docker.io:443: The target server failed to respond
anonymous org.apache.http.impl.execchain.RetryExec - Retrying request to {s}->https://registry-1.docker.io:443