HTTP::Engine::Middleware::DebugScreen - dump stack-trace when die

    my $mw = HTTP::Engine::Middleware->new;
    $mw->install(qw/ HTTP::Engine::Middleware::DebugScreen /);
    HTTP::Engine->new(
        interface => {
            module => 'YourFavoriteInterfaceHere',
            request_handler => $mw->handler( \&handler ),
        }
    )->run();

yappo

kan

and more?

Scope::Upper, CGI::ExceptionManager::StackTrace