diff --git a/synapse/app/synctl.py b/synapse/app/synctl.py index 822373484527..3bd7ef7bba87 100755 --- a/synapse/app/synctl.py +++ b/synapse/app/synctl.py @@ -234,6 +234,9 @@ def main(): if action == "start" or action == "restart": if start_stop_synapse: + # Check if synapse is already running + if os.path.exists(pidfile) and pid_running(int(open(pidfile).read())): + abort("synapse.app.homeserver already running") start(configfile) for worker in workers: