3 files changed, 16 insertions, 1 deletions
diff --git a/synapse/push/httppusher.py b/synapse/push/httppusher.py
index 899a5253d8..e65f8c63d3 100644
--- a/synapse/push/httppusher.py
+++ b/synapse/push/httppusher.py
@@ -97,6 +97,11 @@ class HttpPusher(object):
             pusherdict['pushkey'],
         )
 
+        if self.data is None:
+            raise PusherConfigException(
+                "data can not be null for HTTP pusher"
+            )
+
         if 'url' not in self.data:
             raise PusherConfigException(
                 "'url' required in data for HTTP pusher"
diff --git a/synapse/push/pusher.py b/synapse/push/pusher.py
index 368d5094be..b33f2a357b 100644
--- a/synapse/push/pusher.py
+++ b/synapse/push/pusher.py
@@ -56,7 +56,7 @@ class PusherFactory(object):
         f = self.pusher_types.get(kind, None)
         if not f:
             return None
-        logger.info("creating %s pusher for %r", kind, pusherdict)
+        logger.debug("creating %s pusher for %r", kind, pusherdict)
         return f(self.hs, pusherdict)
 
     def _create_email_pusher(self, _hs, pusherdict):
diff --git a/synapse/push/pusherpool.py b/synapse/push/pusherpool.py
index b2c92ce683..abf1a1a9c1 100644
--- a/synapse/push/pusherpool.py
+++ b/synapse/push/pusherpool.py
@@ -19,6 +19,7 @@ import logging
 from twisted.internet import defer
 
 from synapse.metrics.background_process_metrics import run_as_background_process
+from synapse.push import PusherConfigException
 from synapse.push.pusher import PusherFactory
 
 logger = logging.getLogger(__name__)
@@ -222,6 +223,15 @@ class PusherPool:
         """
         try:
             p = self.pusher_factory.create_pusher(pusherdict)
+        except PusherConfigException as e:
+            logger.warning(
+                "Pusher incorrectly configured user=%s, appid=%s, pushkey=%s: %s",
+                pusherdict.get('user_name'),
+                pusherdict.get('app_id'),
+                pusherdict.get('pushkey'),
+                e,
+            )
+            return
         except Exception:
             logger.exception("Couldn't start a pusher: caught Exception")
             return