Fetch Workers API occurs 523 error

[adaptive]

I think this is the answer:

Issue With Worker-To-Worker HTTPS request

Hi @hero, @adaptive, Regarding @hero’s original problem statement: it’s not clear to me whether the workers in question are part of the same zone or not. If they’re on the same zone, then the first worker’s subrequest would go to the “origin”, which doesn’t exist for workers.dev, explaining the 522 error. If they’re on different zones, then the first worker’s subrequest would invoke the second worker, and so we’d need to know what that worker’s behavior is, and how its origin, if any, is config…