Now create jobs directory if it doesn't exists

        self.commands = set()

        #: jobs manager (different from MainLoop.jobs_manager)

        try:

            os.makedirs(self.main.config.jobs_store_path, mode=0755)

        except OSError as e:

            if e.errno == 17:

                pass  # Ignore existing directory

            else:

                logger.critical('Cannot create jobs directory: %s', e)

                self.main.stop()

                raise

        except Exception as e:

            logger.critical('Cannot create jobs directory: %s', e)

            self.main.stop()

            raise

        try:

            self.jobs_manager = JobsManager(logger, NodeJobsManagerInterface(self),

                                           JobsStore(self.main.config.jobs_store_path))