Hi @mblascht, thank you for your report!
I suspect you use a Proxy within IntelliJ and your URI does not provide a port number. If that’s the root cause, it’s an issue on our side.
Edit: It seems that I identified an issue on our side regarding the proxy selector. I created those tickets 1 and 2 as a result. It should be part of the next release at the end of the month or within a patch depending on the impact.