spacewander commented on a change in pull request #3629:
URL: https://github.com/apache/apisix/pull/3629#discussion_r582764506
##########
File path: apisix/upstream.lua
##########
@@ -179,7 +179,12 @@ function _M.set_by_route(route, api_ctx)
if not dis then
return 500, "discovery " .. up_conf.discovery_type .. " is
uninitialized"
end
- local new_nodes = dis.nodes(up_conf.service_name)
+
+ local new_nodes, err = dis.nodes(up_conf.service_name)
+ if not new_nodes then
+ return http_code_upstream_unavailable, "no valid upstream node: "
.. (err or "nil")
Review comment:
I changed my idea and followed your suggestion.
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