$args getting cleared out when using memcached module. Bug?

We’re having some really weird issues when trying to pass $args to the

Here is a snippet.

set $memcached_key $uri$is_args$args;
error_page 404 = @fallback;

It will pass in $uri$is_args, which in our case is “/index.php?”

If we comment out the 3 lines with memcached stuff and do the following:

add_header “test” $uri$is_args$args;

You can see the entire value just fine. It seems to be a bug in the way
module interacts with Nginx but we can’t nail it down. We added a debug
line at
the very beginning of the memcached module and it seems to be empty as
soon as
it is called.

This seems to be a bug with all the extensive testing and configurations

Thank you,

We have messed with it some more and have more information.

Basically our 2 request might look like the following, we have
discovered the
first example works, while the second example does not.

Example 1:

This will get rewritten to:


This call works we found out, now for the next example (example 2) that
does not
work and results in the key being sent to memcached as “/index.php?”
missing the
$args portion:

Example 2: http://api.examplesite.com/1.0/bible/chapter.xml

This gets rewritten in Nginx as:


What we have deduced is that if the initial request entering Nginx has
args then
the $args are properly passed when we set $memcached_key
($uri$is_args$args) but
when the initial request (ie Example 2) does not have args, they are
empty, even
though we have rewritten the request.

One odd note though is that $is_args is set properly, so this seems to
exclusive to $args.

Hope this helps.

Thank you,

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