Allow the same Jersey client to be used for both authenticated and non-authenticated URLs

connectors/apache-connector/src/test/java/org/glassfish/jersey/apache/connector/AuthTest.java

@@ -168,6 +168,12 @@ public String getFilter(@Context HttpHeaders h) {
             return "GET";
         }
 
+        @GET
+        @Path("noauth")
+        public String get() {
+            return "GET";
+        }
+
         @POST
         public String post(@Context HttpHeaders h, String e) {
             requestCount++;
@@ -278,6 +284,17 @@ public void testAuthGetWithClientFilter() {
         assertEquals("GET", r.request().get(String.class));
     }
 
+    @Test
+    public void testAuthGetBasicNoChallenge() {
+        ClientConfig cc = new ClientConfig();
+        cc.connectorProvider(new ApacheConnectorProvider());
+        Client client = ClientBuilder.newClient(cc);
+        client.register(HttpAuthenticationFeature.basicBuilder().build());
+        WebTarget r = client.target(getBaseUri()).path("test/noauth");
+
+        assertEquals("GET", r.request().get(String.class));
+    }
+
     @Test
     @Ignore("JERSEY-1750: Cannot retry request with a non-repeatable request entity. How to buffer the entity?"
             + " Allow repeatable write in jersey?")

core-client/src/main/java/org/glassfish/jersey/client/authentication/BasicAuthenticator.java

@@ -92,15 +92,13 @@ private String calculateAuthentication(HttpAuthenticationFilter.Credentials cred
      * Adds authentication information to the request.
      *
      * @param request Request context.
-     * @throws RequestAuthenticationException in case that basic credentials missing or are in invalid format
      */
-    public void filterRequest(ClientRequestContext request) throws RequestAuthenticationException {
+    public void filterRequest(ClientRequestContext request) {
         HttpAuthenticationFilter.Credentials credentials = HttpAuthenticationFilter.getCredentials(request,
                 defaultCredentials, HttpAuthenticationFilter.Type.BASIC);
-        if (credentials == null) {
-            throw new RequestAuthenticationException(LocalizationMessages.AUTHENTICATION_CREDENTIALS_MISSING_BASIC());
+        if (credentials != null) {
+            request.getHeaders().add(HttpHeaders.AUTHORIZATION, calculateAuthentication(credentials));
         }
-        request.getHeaders().add(HttpHeaders.AUTHORIZATION, calculateAuthentication(credentials));
     }
 
     /**