--- a/src/java.management.rest/share/classes/com/oracle/jmx/remote/rest/http/HttpUtil.java	Wed Dec 27 18:39:52 2017 +0530
+++ b/src/java.management.rest/share/classes/com/oracle/jmx/remote/rest/http/HttpUtil.java	Thu Dec 28 14:43:14 2017 +0530
@@ -116,7 +116,8 @@
             int sp = auth.indexOf(' ');
             byte[] b = Base64.getDecoder().decode(auth.substring(sp + 1));
             String authCredentials = new String(b);
-            return authCredentials;
+            int colon = authCredentials.indexOf (':');
+            return authCredentials.substring(0,colon);
         }
         return "";
     }