diff -r b4bfa6cb3d83 -r de2ae849b0b3 net/connlisteners.lua
--- a/net/connlisteners.lua	Thu Nov 12 13:33:46 2009 +0500
+++ b/net/connlisteners.lua	Thu Nov 12 13:34:38 2009 +0500
@@ -38,7 +38,10 @@
 	local h = listeners[name];
 	if not h then
 		local ok, ret = pcall(dofile, listeners_dir..name:gsub("[^%w%-]", "_").."_listener.lua");
-		if not ok then return nil, ret; end
+		if not ok then
+			log("error", "Error while loading listener '%s': %s", tostring(name), tostring(ret));
+			return nil, ret;
+		end
 		h = listeners[name];
 	end
 	return h;