Handle exceptions when trying to start resolver thread

util/ipresolver/__init__.py

@@ -130,7 +130,10 @@ class IPResolver(IPResolverInterface):
 
   def _get_location_function(self):
     if not self.app.config.get('TESTING', False) and not self._worker.is_alive():
+      try:
         self._worker.start()
+      except:
+        logger.exception('Got exception try to start ip resolver thread')
     try:
       cache = CACHE
       sync_token = cache.get('sync_token', None)