rogerogers opened a new issue #3407: URL: https://github.com/apache/apisix/issues/3407
### no cors header return sometimes ### Environment * apisix version: 2.2 * OS: Linux localhost.localdomain 5.9.13-200.fc33.x86_64 #1 SMP Tue Dec 8 15:42:52 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux fedora 33 * OpenResty / Nginx version: nginx version: openresty/1.19.3.1 built by gcc 10.2.1 20201016 (Red Hat 10.2.1-6) (GCC) built with OpenSSL 1.1.1h 22 Sep 2020 (running with OpenSSL 1.1.1i 8 Dec 2020) ### Minimal test code / Steps to reproduce the issue 1. wrong header  2. right header  my cors config in a service group `{ "allow_credential": true, "allow_headers": "DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization,Arg-Id", "allow_methods": "GET,POST,OPTIONS", "allow_origins": "http://m-local.guess.com,http://www-local.guess.com";, "disable": false, "expose_headers": "Authorization" }` ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
