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

*** 1,7 ****
  /*
!  * Copyright (c) 1996, 2013, 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, 2018, 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
*** 54,68 ****
          if (size() < 4) {       // 4: handshake message header size
              // internal_error alert will be triggered
              throw new RuntimeException("handshake message is not available");
          }
  
!         // outputRecord cannot be null
          outputRecord.encodeHandshake(buf, 0, count);
  
          // reset the byte array output stream
          reset();
      }
  
      //
      // overridden ByteArrayOutputStream methods
      //
--- 54,69 ----
          if (size() < 4) {       // 4: handshake message header size
              // internal_error alert will be triggered
              throw new RuntimeException("handshake message is not available");
          }
  
!         if (outputRecord != null) {
              outputRecord.encodeHandshake(buf, 0, count);
  
              // reset the byte array output stream
              reset();
+         }   // otherwise, the handshake outstream is temporarily used only.
      }
  
      //
      // overridden ByteArrayOutputStream methods
      //
*** 74,85 ****
--- 75,88 ----
          super.write(b, off, len);
      }
  
      @Override
      public void flush() throws IOException {
+         if (outputRecord != null) {
              outputRecord.flush();
          }
+     }
  
      //
      // handshake output stream management functions
      //
  
*** 104,113 ****
--- 107,123 ----
          super.write(i >> 16);
          super.write(i >> 8);
          super.write(i);
      }
  
+     void putInt32(int i) throws IOException {
+         super.write(i >> 24);
+         super.write(i >> 16);
+         super.write(i >> 8);
+         super.write(i);
+     }
+ 
      /*
       * Put byte arrays with length encoded as 8, 16, 24 bit
       * integers in big-endian format.
       */
      void putBytes8(byte[] b) throws IOException {