Dancer2::Session::Memcached with Tokyo Cabinet/Tyrant not working

8 Apr 2013

      Hi all

I converted my Dancer app to Dancer2 and have no issues when using
Dancer2::Session::Simple. Sessions persist across routes.

However, on switching to Dancer2::Session::Memcached, after setting the
session via the /login route, it's not accessible via another route. I know
that the Memcached instance is functional, having tested it using a regular
Perl script with Cache::Memcached.

Any ideas? I don't see any errors from Dancer.

Details:

Dancer2 (0.03)

  cd /srv/web/app1/core/
  setuidgid web1 ./bin/app.pl

Tokyo Cabinet 1.4.48
Tokyo Tyrant 1.1.41

  setuidgid web1 ttserver -host /srv/web/app1/sock/sessions.sock -port 0
/srv/web/app1/data/casket.tch

pertinent part of config.yml

logger: "console"
log: "core"
warnings: 1
show_errors: 1

session: Memcached

engines:
  session:
    Memcached:
      memcached_servers: /srv/web/app1/sock/sessions.sock

This works:

post '/login' => sub {
  if (authen(params->{'user'}, params->{'pass'}) {
    session 'user' => params->{'user'};
    return 'user = ' . session('user');
  }
  else {
    return redirect '/login';
  }
}

These 2 routes always end up back at /login:

post '/login' => sub {
  if (authen(params->{'user'},params->{'pass'}) {
    session 'user' => params->{'user'};
    return redirect '/dashboard';
  }
  else {
    return redirect '/login';
  }
}

get '/dashboard' => sub {
  if (not session('user')) {
    return redirect '/login';
  }
  # do something
}

Even replacing the last route with the following, leaves an empty session
(i.e. user is BLANK).

get '/dashboard' => sub {
  return 'user is ' . session('user');
}

Dale

Dale Gallagher

Dale Gallagher

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