From 30346a56de26a13379be9de9bab23df39bd931a8 Mon Sep 17 00:00:00 2001
From: Evgeny Khramtsov <ekhramtsov@process-one.net>
Date: Sun, 22 Sep 2019 11:30:20 +0300
Subject: [PATCH] Don't forget to log an error message on IDNA failure

---
 src/ejabberd_acme.erl | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/ejabberd_acme.erl b/src/ejabberd_acme.erl
index 9dbe22b58..3e6c2d239 100644
--- a/src/ejabberd_acme.erl
+++ b/src/ejabberd_acme.erl
@@ -208,7 +208,10 @@ issue_request(State, Domains) ->
 				format_error(Reason)]),
 		    {Err, State}
 	    end;
-	{error, _} = Err ->
+	{error, Reason} = Err ->
+	    ?ERROR_MSG("Failed to request certificate for ~s: ~s",
+		       [misc:format_hosts_list(Domains),
+			format_error(Reason)]),
 	    {Err, State}
     end.