*ngx.print()* is only valid for r*ewrite_by_lua*, access_by_lua* and
content_by_lua*.* Maybe your looking for* print()

ngx.log* should work though*.
*

*
*


2013/5/20 Ramesh Muraleedharan <ramesh1987@gmail.com>

> Hi all,
>
> I've been experimenting with rewriting 'Set Cookie' headers in a
> nginx-reverse-proxy effort.
>
> The Set-Cookie rewrite doesn't seem to work yet, and more importantly, my
> log/print statements don't print to error_log as directed, making it very
> difficult to debug.
>
> http {
>
> server {
> access_log /home/bhedia/access.log;
> #error_log /home/bhedia/errors.log debug;
> error_log /home/bhedia/errors.log notice;
>
> listen 80;
>
> root /usr/share/nginx/www;
> #index index.html index.htm;
>
> # Make site accessible from http://localhost:8080/
> server_name localhost;
>
> location / {
>
> proxy_pass http://10.45.17.85:50088/;
> proxy_set_header Host booga.booga.com;
> #proxy_cookie_domain test-sites.com booga.booga.com;
>
> header_filter_by_lua '
> ngx.log(ngx.NOTICE, "hello world")
> local cookies = ngx.header.set_cookie
> if not cookies then return end
> if type(cookies) ~= "table" then cookies = {cookies} end
> local newcookies = {}
> for i, val in ipairs(cookies) do
> local newval = string.gsub(val,
> "([dD]omain)=[%w_-\\\\.-]+",
> "%1=booga.booga.com")
> ngx.print(val)
> ngx.print(newval)
> table.insert(newcookies, newval)
> end
> ngx.header.set_cookie = newcookies
> ';
> }
> }
> }
>
> Any help would be appreciated.
>
> Thanks!
>
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>
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