[bug] start the events server when reactor is running

otherwise, events are not correctly registered

- Resolves: #7149

1 files changed, 6 insertions, 1 deletions

diff --git a/src/leap/bitmask/backend_app.py b/src/leap/bitmask/backend_app.py
index 011f59fb..1040fbf8 100644
--- a/src/leap/bitmask/backend_app.py
+++ b/src/leap/bitmask/backend_app.py
@@ -86,7 +86,12 @@ def run_backend(bypass_checks=False, flags_dict=None, frontend_pid=None):
         # start the events server
         # This is not needed for the standalone bundle since the launcher takes
         # care of it.
-        event_server.ensure_server()
+        try:
+            from twisted.internet import reactor
+            reactor.callWhenRunning(reactor.callLater, 0,
+                                    event_server.ensure_server)
+        except Exception as e:
+            logger.error("Could not ensure server: %r" % (e,))
 
     backend = LeapBackend(bypass_checks=bypass_checks,
                           frontend_pid=frontend_pid)