src/java.base/share/classes/sun/security/ssl/DTLSOutputRecord.java

8167680 DTLS implementation bugs

*** 1,7 ****
  /*
!  * Copyright (c) 1996, 2014, 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
--- 1,7 ----
  /*
!  * Copyright (c) 1996, 2016, 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
*** 277,286 ****
--- 277,296 ----
      void initHandshaker() {
          // clean up
          fragmenter = null;
      }
  
+     @Override
+     void launchRetransmission() {
+         // Note: Please don't retransmit if there are handshake messages
+         // or alerts waiting in the queue.
+         if (((alertMemos == null) || alertMemos.isEmpty()) &&
+                 (fragmenter != null) && fragmenter.isRetransmittable()) {
+             fragmenter.setRetransmission();
+         }
+     }
+ 
      // buffered record fragment
      private static class RecordMemo {
          byte            contentType;
          byte            majorVersion;
          byte            minorVersion;