--- old/src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/ResponseProcessors.java	2017-08-12 14:14:38.000000000 +0100
+++ new/src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/ResponseProcessors.java	2017-08-12 14:14:38.000000000 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2017, 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
@@ -72,10 +72,12 @@
         }
 
         @Override
-        public void onNext(ByteBuffer item) {
-            byte[] buf = new byte[item.remaining()];
-            item.get(buf);
-            consumer.accept(Optional.of(buf));
+        public void onNext(List<ByteBuffer> items) {
+            for (ByteBuffer item : items) {
+                byte[] buf = new byte[item.remaining()];
+                item.get(buf);
+                consumer.accept(Optional.of(buf));
+            }
             subscription.request(1);
         }
 
@@ -120,9 +122,9 @@
         }
 
         @Override
-        public void onNext(ByteBuffer item) {
+        public void onNext(List<ByteBuffer> items) {
             try {
-                out.write(item);
+                out.write(items.toArray(new ByteBuffer[0]));
             } catch (IOException ex) {
                 Utils.close(out);
                 subscription.cancel();
@@ -172,13 +174,12 @@
         }
 
         @Override
-        public void onNext(ByteBuffer item) {
+        public void onNext(List<ByteBuffer> items) {
             // incoming buffers are allocated by http client internally,
             // and won't be used anywhere except this place.
             // So it's free simply to store them for further processing.
-            if(item.hasRemaining()) {
-                received.add(item);
-            }
+            assert Utils.remaining(items) > 0;   // TODO: is this really necessary?
+            received.addAll(items);
         }
 
         @Override
@@ -304,9 +305,8 @@
         }
 
         @Override
-        public void onNext(ByteBuffer item) {
-            // TODO: check whether this should consume the buffer, as in:
-            item.position(item.limit());
+        public void onNext(List<ByteBuffer> items) {
+            // NO-OP
         }
 
         @Override