From b9b2829f7cd2d42b26d79b6cc9725bab24b3a56d Mon Sep 17 00:00:00 2001
From: cgoldfeder <cgoldfeder@google.com>
Date: Mon, 12 Sep 2016 09:49:00 -0700
Subject: [PATCH] Log the class names of unimplemented extensions before
 throwing the generic user-visible error.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=132884249
---
 java/google/registry/flows/LoggedInFlow.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/java/google/registry/flows/LoggedInFlow.java b/java/google/registry/flows/LoggedInFlow.java
index f797d46f0..77a273c16 100644
--- a/java/google/registry/flows/LoggedInFlow.java
+++ b/java/google/registry/flows/LoggedInFlow.java
@@ -101,7 +101,10 @@ public abstract class LoggedInFlow extends Flow {
       allowedTlds = registrar.getAllowedTlds();
     }
     initLoggedInFlow();
-    if (!difference(extensionClasses, getValidRequestExtensions()).isEmpty()) {
+    Set<Class<? extends CommandExtension>> unimplementedExtensions =
+        difference(extensionClasses, getValidRequestExtensions());
+    if (!unimplementedExtensions.isEmpty()) {
+      logger.infofmt("Unimplemented extensions: %s", unimplementedExtensions);
       throw new UnimplementedExtensionException();
     }
   }