Hi,
Welcome to the community!
FYI, I’ve edited your title to reflect the actual error in your logs, and edited your post to code-format the logs (``` on the line before and on the line after), which makes them much easier to read.
Your error:
Really boils down to
When we see this it is (999 out of 1000) something on the network between the analysis machine and the server (proxy, firewall, …) that is blocking the request. This error is not coming from SonarQube. You need to talk to your network folks.
HTH,
Ann