subscription messages can also be filtered out because the sub is already registered internally and will be re-subscribed automatically after a recconnect. It's only a rare edge case anyway

Author: scottf

src/main/java/io/nats/client/impl/NatsConnection.java

@@ -1107,8 +1107,11 @@ void sendSubscriptionMessage(String sid, String subject, String queueName, boole
         }
         bab.append(SP).append(sid);
 
-        ProtocolMessage subMsg = new ProtocolMessage(bab, false);
-
+        // setting this to filter on stop.
+        // if it's an "internal" message, it won't be filtered
+        // if it's a normal message, the subscription will already be registered
+        // and therefore will be re-subscribed after a stop anyway
+        ProtocolMessage subMsg = new ProtocolMessage(bab, true);
         if (treatAsInternal) {
             queueInternalOutgoing(subMsg);
         } else {