AppserverIo\Appserver\ServletEngine\RequestHandler::run PHP Method

    public function run()
    {
        try {
            // register the default autoloader
            require SERVER_AUTOLOADER;
            // register shutdown handler
            set_error_handler(array(&$this, 'errorHandler'));
            register_shutdown_function(array(&$this, 'shutdown'));
            // initialize the array for the errors
            $this->errors = array();
            // synchronize the application instance and register the class loaders
            $application = $this->application;
            $application->registerClassLoaders();
            // synchronize the valves, servlet request/response
            $valves = $this->valves;
            $servletRequest = $this->servletRequest;
            $servletResponse = $this->servletResponse;
            // load the session and the authentication manager
            $sessionManager = $application->search(SessionManagerInterface::IDENTIFIER);
            $authenticationManager = $application->search(AuthenticationManagerInterface::IDENTIFIER);
            // inject the sapplication and servlet response
            $servletRequest->injectContext($application);
            $servletRequest->injectResponse($servletResponse);
            $servletRequest->injectSessionManager($sessionManager);
            $servletRequest->injectAuthenticationManager($authenticationManager);
            // prepare the request instance
            $servletRequest->prepare();
            // initialize static request and application context
            RequestHandler::$requestContext = $servletRequest;
            RequestHandler::$applicationContext = $application;
            // process the valves
            foreach ($valves as $valve) {
                $valve->invoke($servletRequest, $servletResponse);
                if ($servletRequest->isDispatched() === true) {
                    break;
                }
            }
            // profile the request if the profile logger is available
            if ($profileLogger = $application->getInitialContext()->getLogger(LoggerUtils::PROFILE)) {
                $profileLogger->appendThreadContext('request-handler');
                $profileLogger->debug($servletRequest->getUri());
            }
        } catch (\Exception $e) {
            $this->addError(ErrorUtil::singleton()->fromException($e));
        }
        // re-attach request and response instances
        $this->servletRequest = $servletRequest;
        $this->servletResponse = $servletResponse;
    }