From e24ed46a084972c2d33223be84a3bc8fef25e735 Mon Sep 17 00:00:00 2001
From: Marcel Klehr <mklehr@gmx.net>
Date: Sat, 10 Nov 2012 10:47:12 +0100
Subject: [PATCH] PadMessageHandler: Make sure sessioninfos[session] still
 exists before pushing data to user.

---
 src/node/handler/PadMessageHandler.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/node/handler/PadMessageHandler.js b/src/node/handler/PadMessageHandler.js
index a30e4e81..a0bccfc5 100644
--- a/src/node/handler/PadMessageHandler.js
+++ b/src/node/handler/PadMessageHandler.js
@@ -619,7 +619,7 @@ exports.updatePadClients = function(pad, callback)
     //https://github.com/caolan/async#whilst
     //send them all new changesets
     async.whilst(
-      function (){ return sessioninfos[session].rev < pad.getHeadRevisionNumber()},
+      function (){ return sessioninfos[session] && sessioninfos[session].rev < pad.getHeadRevisionNumber()},
       function(callback)
       {      
         var author, revChangeset, currentTime;