From 41557566b9b87b7f2acaad00fc54781e83210658 Mon Sep 17 00:00:00 2001
From: Nick Couchman <vnick@apache.org>
Date: Fri, 14 Jul 2017 16:53:39 -0400
Subject: [PATCH] GUACAMOLE-197: Log error if we reach an unexpected place in
 the RADIUS conversation.

---
 .../guacamole/auth/radius/AuthenticationProviderService.java  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/extensions/guacamole-auth-radius/src/main/java/org/apache/guacamole/auth/radius/AuthenticationProviderService.java b/extensions/guacamole-auth-radius/src/main/java/org/apache/guacamole/auth/radius/AuthenticationProviderService.java
index da0ae4e98..d4f3ed1f6 100644
--- a/extensions/guacamole-auth-radius/src/main/java/org/apache/guacamole/auth/radius/AuthenticationProviderService.java
+++ b/extensions/guacamole-auth-radius/src/main/java/org/apache/guacamole/auth/radius/AuthenticationProviderService.java
@@ -182,8 +182,10 @@ public class AuthenticationProviderService {
             }
 
             // Something unanticipated happened, so we panic
-            else
+            else {
+                logger.error("Unexpected authentication failure talking to RADIUS server.");
                 throw new GuacamoleInvalidCredentialsException("Unknown error trying to authenticate.", CredentialsInfo.USERNAME_PASSWORD);
+            }
         }
 
         // The user responded to the challenge, send that back to the server