nickva commented on issue #2369: Cluster to single node replication prints "Could not parse cookie from response headers cookie_format_invalid" URL: https://github.com/apache/couchdb/issues/2369#issuecomment-574272742 @m90 I couldn't reproduce the issue on Ubuntu 18.04 with distro default nginx version and a with this config: ``` # Default server configuration # server { listen 80 default_server; listen [::]:80 default_server; root /var/www/html; index index.html index.htm index.nginx-debian.html; server_name _; location / { proxy_pass http://localhost:15984; proxy_redirect off; #proxy_buffering off; proxy_set_header Host $host; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; } } ``` I had noticed in the code we would emit that error if we somehow got some other, non-CouchDB emitted cookie. So made PR to ignore those: https://github.com/apache/couchdb/pull/2454 Also noticed the issue @seigel mentioned that we did not parse some of the cookie bits like expiration time properly. That field is not used, as we use max-age, but does indicate that if nginx somehow re-writes the cookie in a certain way the same parsing error might trigger in a different way and the cookie would not be found anymore. The parsing issue should be fixed in https://github.com/apache/couchdb/pull/2452 with the new web server component update. Thought I am still curios, if you get a chance to capture the traffic between client and proxy and proxy and CouchDB as to what was causing the issue in your case. Another way to do it is to re-build from source and add a few debug lines to this module: ``` -spec parse_cookie(list()) -> {ok, age(), string()} | {error, term()}. parse_cookie(Headers0) -> + couch_log:error("***** Headers0:~p", [Headers0]), Headers = mochiweb_headers:make(Headers0), case mochiweb_headers:get_value("Set-Cookie", Headers) of undefined -> {error, cookie_not_found}; CookieHeader -> CookieKVs = mochiweb_cookies:parse_cookie(CookieHeader), + couch_log:error("****CookieKVs:~p", [CookieKVs]), CaseInsKVs = mochiweb_headers:make(CookieKVs), + couch_log:error("-----> AuthSession:~p", [ ```
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