From d301d8b493d3087fb8ddf604f8d8418ab32097d3 Mon Sep 17 00:00:00 2001
From: thefosk <marco@mashape.com>
Date: Mon, 30 May 2016 17:42:35 -0700
Subject: [PATCH] Closes #1267

---
 kong/plugins/oauth2/daos.lua | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kong/plugins/oauth2/daos.lua b/kong/plugins/oauth2/daos.lua
index ad05ede6946..90e2a501277 100644
--- a/kong/plugins/oauth2/daos.lua
+++ b/kong/plugins/oauth2/daos.lua
@@ -11,6 +11,9 @@ end
 
 local function validate_uris(v, t, column)
   if v then
+    if #v < 1 then
+      return false, "at least one URI is required"
+    end
     for _, uri in ipairs(v) do
       local parsed_uri = url.parse(uri)
       if not (parsed_uri and parsed_uri.host and parsed_uri.scheme) then