src/java.rmi/share/classes/java/rmi/activation/ActivationGroup.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this

@@ -105,10 +105,11 @@
     private ActivationGroupID groupID;
 
     /**
      * @serial the group's monitor
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private ActivationMonitor monitor;
 
     /**
      * @serial the group's incarnation number
      */