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Re: So is "rewrite_by_lua" also evil?

agentzh
October 15, 2011 02:38AM
On Sat, Oct 15, 2011 at 4:41 AM, Nginx User <nginx@nginxuser.net> wrote:
> Everything seems to be working fine. However, a small configuration
> error showed a potential problem in that the rewrite_by_lua directive
> does not seem to take account of the rewrite module's "last" flag.
>
> Contrived example:
>
> # GET /sometext/xyz.html
> server {
>     ...
>     location @pretty_urls {
>              rewrite ^/sometext/xyz\.html$ /abc.html last;
>
>              # line below included by mistake and shouldn't have been there
>              # On the other hand, the hit above should mean it is not
> called anyway
>              rewrite_by_lua 'ngx.exec("@proxy");';
>     }
>     location @proxy {
>             include /etc/nginx/firewall.default;
>             proxy_pass http://127.0.0.1:8080;
>             ...
>     }
>     location ~ ^.+\.php$ {
>             content_by_lua 'ngx.exec("@proxy");';
>     }
>     location / {
>             try_files $uri $uri/ @pretty_urls;
>     }
> }
> ... generates an error along the lines of ...
> 2011/10/14 20:10:26 [error] 17325#0: *16 lua handler aborted: runtime
> error: attempt to call a nil value, blah, blah, blah".
>

Interesting. But I cannot reproduce this issue with the following
small example on my side:

location @pretty {
rewrite ^/main/xyz\.html$ /abc.html last;
rewrite_by_lua 'ngx.exec("@proxy")';
}
location @proxy {
echo hello;
}
location /abc.html {
echo abc;
}
location /main {
try_files $uri $uri/ @pretty;
}

Then GET /main/xyz.html yields the output "abc" as expected and I
don't see that ngx_lua error message in my error.log.

Could you show me the error.log with --with-debug + debug log level?

Regards,
-agentzh

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Subject Author Posted

So is "rewrite_by_lua" also evil?

Nginx User October 11, 2011 12:04PM

Re: So is "rewrite_by_lua" also evil?

agentzh October 11, 2011 08:18PM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 12, 2011 12:14AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 12, 2011 12:22AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 12, 2011 12:50AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 12, 2011 02:38PM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 12, 2011 05:36PM

Re: So is "rewrite_by_lua" also evil?

agentzh October 12, 2011 10:08PM

Re: So is "rewrite_by_lua" also evil?

agentzh October 12, 2011 11:58PM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 13, 2011 12:36AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 13, 2011 12:34AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 13, 2011 12:56AM

Re: So is "rewrite_by_lua" also evil?

Eugaia October 14, 2011 07:02AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 14, 2011 07:42AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 12, 2011 09:36PM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 13, 2011 12:32AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 13, 2011 12:54AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 13, 2011 02:02AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 13, 2011 12:12PM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 13, 2011 08:18PM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 14, 2011 09:28AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 14, 2011 03:26PM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 14, 2011 03:26PM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 14, 2011 04:42PM

Re: So is "rewrite_by_lua" also evil?

agentzh October 15, 2011 02:38AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 15, 2011 04:48AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 15, 2011 05:42AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 15, 2011 05:58AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 15, 2011 06:08AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 15, 2011 07:38AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 15, 2011 09:24AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 15, 2011 10:22AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 16, 2011 12:30AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 16, 2011 07:12AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 16, 2011 11:44AM

Re: So is "rewrite_by_lua" also evil?

Eugaia October 15, 2011 06:26AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 15, 2011 07:08AM

Re: So is "rewrite_by_lua" also evil?

Eugaia October 15, 2011 06:18AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 15, 2011 06:34AM

Re: So is "rewrite_by_lua" also evil?

Eugaia October 15, 2011 06:46AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 15, 2011 07:10AM

Re: So is "rewrite_by_lua" also evil?

Eugaia October 15, 2011 07:40AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 16, 2011 12:18AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 14, 2011 09:28PM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 15, 2011 04:34AM

Re: So is "rewrite_by_lua" also evil?

agentzh October 13, 2011 08:38PM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 14, 2011 04:32AM

Re: So is "rewrite_by_lua" also evil?

MyName October 12, 2011 06:23AM

Re: So is "rewrite_by_lua" also evil?

Nginx User October 12, 2011 06:32AM



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