Receive "Confluence returned status code 429 for document xxxx" warning

[michaelnero-ingka]

I am receiving a "Confluence returned status code 429 for document xxxx" warning in the logs while trying to index a self-hosted Confluence instance, meaning that a lot of the pages in the space are skipped. I don't see any rate-limiting in the code, and I can't see a way around this either. Got any hints?