fix(cli) correct error message on missing Serf

Generating the error message concatenated a table by omitting a `tostring()` call. Fix Kong#2217
lineCode · Mar 21, 2017 · 3b7e02e · 3b7e02e
1 parent 92b00bd
commit 3b7e02e
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/kong/cmd/utils/serf_signals.lua b/kong/cmd/utils/serf_signals.lua
@@ -56,7 +56,8 @@ local function check_serf_bin(kong_config)
 
   if not found then
     return nil, "could not find 'serf' executable. Kong requires version " ..
-                serf_compatible .. " (you can tweak 'serf_path' to your needs)"
+                tostring(serf_compatible) ..
+                " (you can tweak 'serf_path' to your needs)"
   end
 
   return found