spacewander commented on a change in pull request #3672:
URL: https://github.com/apache/apisix/pull/3672#discussion_r582810276
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File path: apisix/upstream.lua
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@@ -191,7 +191,7 @@ function _M.set_by_route(route, api_ctx)
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")
+ return HTTP_CODE_UPSTREAM_UNAVAILABLE, "no valid upstream node: "
.. (err or "nil")
Review comment:
I think it is because the status code for this has been changed from 500
to 503. So the original contributor use a variable instead.
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