This should fixed the problem with error.message #45

src/metadata_manager/MessagingClient.py

@@ -166,11 +166,11 @@ class StompClient():
                 except Exception as e:
                     # if the heartbeat failed we close the connection
                     # this put the client in the correct DISCONNECTED state
-                    self.LOG.warn("Missed a heartBeat. error=%s beamline=%s" % str(e.message, self.beamlineID))
                     try:
+                        self.LOG.warn("Missed a heartBeat. beamline=%s" % str(self.beamlineID))
                         self.client.close(True)
                     except:
-                        pass 
+                        pass
             else:
                 self.LOG.info("Heart beat changed, will disconnect")
                 self.client.disconnect()