--- a/src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/AuthenticationFilter.java	Tue Nov 21 17:17:37 2017 +0300
+++ b/src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/AuthenticationFilter.java	Tue Nov 21 16:39:20 2017 +0000
@@ -54,6 +54,9 @@
     static final int UNAUTHORIZED = 401;
     static final int PROXY_UNAUTHORIZED = 407;
 
+    // A public no-arg constructor is required by FilterFactory
+    public AuthenticationFilter() {}
+
     private PasswordAuthentication getCredentials(String header,
                                                   boolean proxy,
                                                   HttpRequestImpl req)