membphis commented on a change in pull request #1361: check dns_addrs len
URL: https://github.com/apache/incubator-apisix/pull/1361#discussion_r399891051
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File path: bin/apisix
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@@ -702,7 +702,7 @@ local function init()
local dns_resolver = sys_conf["dns_resolver"]
if not dns_resolver or #dns_resolver == 0 then
local dns_addrs, err = local_dns_resolver("/etc/resolv.conf")
- if not dns_addrs then
+ if not dns_addrs and #dns_addrs == 0 then
error("failed to import local DNS: " .. err)
Review comment:
the `err` may be a `nil` value if the length of `dns_addrs` is `0`
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