membphis opened a new pull request #1835:
URL: https://github.com/apache/incubator-apisix/pull/1835
…S and proxy
the request to the new address.
We have fixed this bug in `master` branch, but we can get if we run this
test case in branch `v1.4`.
Add some test cases to confirm the `master` branch works fine for this case.
```
# 1.4 version
t/node/upstream-node-dns.t .. 7/?
# Failed test 'TEST 3: dns cached expired, reparse the domain in upstream
node - grep_error_log_out (req 0)'
# at /usr/local/share/perl5/5.30/Test/Nginx/Socket.pm line 1088.
# @@ -1,10 +1,14 @@
# call /hello
# dns resolver domain: test.com to 127.0.0.1
# proxy to 127.0.0.1:1980
# +proxy to 127.0.0.1:1980
# call /hello
# dns resolver domain: test.com to 127.0.0.2
# -proxy to 127.0.0.2:1980
# -proxy to 127.0.0.2:1980
# +proxy to 127.0.0.1:1980
# +proxy to 127.0.0.1:1980
# +proxy to 127.0.0.1:1980
# +proxy to 127.0.0.1:1980
# call /hello
# dns resolver domain: test.com to 127.0.0.3
# -proxy to 127.0.0.3:1980
# +proxy to 127.0.0.1:1980
# +proxy to 127.0.0.1:1980
# Looks like you failed 1 test of 8.
```
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