BodyDeferringAsyncHandler.onComplete should build response when no part, close AsyncHttpClient#113

Author: Stephane Landelle

api/src/main/java/org/asynchttpclient/BodyDeferringAsyncHandler.java

@@ -79,7 +79,7 @@ public class BodyDeferringAsyncHandler implements AsyncHandler<Response> {
 
     private final OutputStream output;
 
-    private volatile boolean responseSet;
+    private boolean responseSet;
 
     private volatile Response response;
 
@@ -150,6 +150,12 @@ protected void closeOut() throws IOException {
     }
 
     public Response onCompleted() throws IOException {
+
+        if (!responseSet) {
+            response = responseBuilder.build();
+            responseSet = true;
+        }
+
         // Counting down to handle error cases too.
         // In "normal" cases, latch is already at 0 here
         // But in other cases, for example when because of some error