diff -r d40cc68d31b4 -r 4cc44dd9f14f jdk/src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/HttpRequestImpl.java
--- a/jdk/src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/HttpRequestImpl.java	Fri Feb 24 11:33:33 2017 +0000
+++ b/jdk/src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/HttpRequestImpl.java	Fri Feb 24 17:05:00 2017 +0000
@@ -81,6 +81,7 @@
         this.userHeaders = request.headers();
         if (request instanceof HttpRequestImpl) {
             this.systemHeaders = ((HttpRequestImpl) request).systemHeaders;
+            this.isWebSocket = ((HttpRequestImpl) request).isWebSocket;
         } else {
             this.systemHeaders = new HttpHeadersImpl();
         }
@@ -102,6 +103,7 @@
                            HttpRequestImpl other) {
         this.method = method == null? "GET" : method;
         this.userHeaders = other.userHeaders;
+        this.isWebSocket = other.isWebSocket;
         this.systemHeaders = other.systemHeaders;
         this.uri = uri;
         this.expectContinue = other.expectContinue;
@@ -115,6 +117,9 @@
     /* used for creating CONNECT requests  */
     HttpRequestImpl(String method, HttpClientImpl client,
                     InetSocketAddress authority) {
+        // TODO: isWebSocket flag is not specified, but the assumption is that
+        // such a request will never be made on a connection that will be returned
+        // to the connection pool (we might need to revisit this constructor later)
         this.method = method;
         this.systemHeaders = new HttpHeadersImpl();
         this.userHeaders = ImmutableHeaders.empty();