From 771342989e5a5a3366a993c84fdebaaa5f5cd08b Mon Sep 17 00:00:00 2001
From: Nick O'Leary <nick.oleary@gmail.com>
Date: Sun, 26 Apr 2015 08:50:42 +0100
Subject: [PATCH] HTTP Request - handle null url Fixes #632

---
 nodes/core/io/21-httpin.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/nodes/core/io/21-httpin.js b/nodes/core/io/21-httpin.js
index e52a47599..1fd9f88fb 100644
--- a/nodes/core/io/21-httpin.js
+++ b/nodes/core/io/21-httpin.js
@@ -184,6 +184,10 @@ module.exports = function(RED) {
             if (isTemplatedUrl) {
                 url = mustache.render(nodeUrl,msg);
             }
+            if (!url) {
+                node.error("No url specified",msg);
+                return;
+            }
             // url must start http:// or https:// so assume http:// if not set
             if (!((url.indexOf("http://")===0) || (url.indexOf("https://")===0))) {
                 url = "http://"+url;