No. The only precondition to successfully querying the model serving endpoint was to have stored those secrets ahead of time, using databricks-cli, so I could use them to populate environment variables when configuring the endpoint. See https://learn...
I followed the example in dbdemos 02-Deploy-RAG-Chatbot to deploy a simple joke-generating chain, no RAG or anything. Querying the endpoint produced error "You haven\\'t configured the CLI yet!..." (screenshot 1.) The solution was to add 2 environmen...