--- a/test/jdk/java/net/httpclient/HttpResponseInputStreamTest.java	Fri Dec 01 19:25:34 2017 +0000
+++ b/test/jdk/java/net/httpclient/HttpResponseInputStreamTest.java	Sat Dec 02 17:40:57 2017 +0000
@@ -178,6 +178,7 @@
         try {
             return is.readAllBytes();
         } catch (IOException io) {
+            io.printStackTrace();
             throw new CompletionException(io);
         }
     }