From 006983308dd9300755cf992b2699d73744033a42 Mon Sep 17 00:00:00 2001
From: Kim Alvefur <zash@zash.se>
Date: Thu, 11 Jul 2019 23:27:01 +0200
Subject: mod_mam: Log query failure reason

The storage engine will usually make a lot of noise for serious errors,
but not always.
---
 plugins/mod_mam/mod_mam.lua | 1 +
 1 file changed, 1 insertion(+)

diff --git a/plugins/mod_mam/mod_mam.lua b/plugins/mod_mam/mod_mam.lua
index 613d045a..a3bf9c42 100644
--- a/plugins/mod_mam/mod_mam.lua
+++ b/plugins/mod_mam/mod_mam.lua
@@ -143,6 +143,7 @@ module:hook("iq-set/self/"..xmlns_mam..":query", function(event)
 	});
 
 	if not data then
+		module:log("debug", "Archive query id=%s failed: %s", qid or stanza.attr.id, err);
 		if err == "item-not-found" then
 			origin.send(st.error_reply(stanza, "modify", "item-not-found"));
 		else
-- 
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