The Warning message
Upstream cannot be null is being printed in the APIcast logs for almost all requests from 3scale:
2020/09/03 23:55:57 [notify] 24 # 24: * 262729 [moon] apicast.lua: 69: api upstream for the service: 7 is invalid, error: Upstream cannot be null, ...
- Red Hat 3scale API Management
- 2.8 On-Premises
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