[Dancer-users] Memcached beginners problem

[Alex Knowles]

I was just about to submit a patch on github and found mvickers has
already put in a pull request:

https://github.com/sukria/Dancer-Session-Memcached/pull/1

if someone could get this out that would be awesome.

(and mean i don't have to have a patched copy lying around :) )

cheers
a


On Tue, 2011-09-27 at 09:14 +0100, Alex Knowles wrote:
> This is due to a bug in the session package - there's an RT ticket about it here:
> 
> https://rt.cpan.org/Public/Bug/Display.html?id=69075
> 
> basically the init method is overloaded without calling super::init.
> 
> you can either do as the patch in the RT ticket says, or rename the init method import - then the memcache config is run at startup (see attached patch)
> 
> alex
> 
> ________________________________________
> From: dancer-users-bounces at perldancer.org [dancer-users-bounces at perldancer.org] On Behalf Of Flavio Poletti [polettix at gmail.com]
> Sent: 26 September 2011 21:58
> To: dancer-users at perldancer.org
> Subject: Re: [Dancer-users] Memcached beginners problem
> 
> The "crash" depends on the fact that all warnings are promoted to fatal errors in the development environment.
> 
> It seems that you're getting a warning about a key that is not defined. It would help to see the code that you use to retrieve the stuff in the session, i.e. the calls to session().
> 
> Cheers,
> 
>    Flavio.
> 
> On Mon, Sep 26, 2011 at 4:59 PM, Niels Larsen <niels at genomics.dk<mailto:niels at genomics.dk>> wrote:
> Greetings,
> 
> I, a Dancer newcomer, have trouble getting Dancer::Session::Memcached
> to
> work. All works with session Simple, but with memcached I get the error
> below. The memcached server was started with ./memcached (responds on
> port
> 11211) and the Cache::Memcached module is installed. The application was
> started with just ./application.pl<http://application.pl> --environment development, and the
> development.yml file has in it
> 
> session: "memcached"
> memcached_servers: "127.0.0.1:11211<http://127.0.0.1:11211>"
> 
> I did not 'use Dancer::Session::Memcached' because documentation does
> not say so, and I'm sure its a dumb mistake by me. But the crash is not
> so informative, and the format of the listing could be also be improved:
> module names (not file names) and line numbers should be at the left so
> they line up, and the traceback should include application code. It only
> shows Dancer code.
> 
> And a wish: the Messagepack library is the fastest serialization method,
> I think, and I hope Dancer will support it some day. I use it already,
> and Kyoto Tycoon for permanent storage, works well. Unlike Membase/cache
> one can save pretty big strings, which reduces the number of times one
> must touch the storage, which again speeds the whole thing.
> 
> Niels Larsen
> 
> http://genomics.dk
> 
> ------------------------------------------------------------------------
> 
> Error 500
> runtime error
> 
> Warning caught during route execution: Use of uninitialized value $key
> in
> concatenation (.) or string at
> /home/donate/DONATE/Software/Package_installs/Perl_modules/lib/perl5/Cache/Memcached.pm line 521.
> 
> 518     $exptime = int($exptime || 0);
> 519
> 520     local $SIG{'PIPE'} = "IGNORE" unless $FLAG_NOSIGNAL;
> 521     my $line = "$cmdname $self->{namespace}$key $flags $exptime $len
> \r\n$val\r\n";
> 522
> 523     my $res = _write_and_read($self, $sock, $line);
> 524
> 
> ------------------------------------------------------------------------
> 
> 
> 
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