From: Johannes Dahlström <johannes.dahlstrom@vaadin.com>
Date: Tue, 25 Sep 2012 11:25:04 +0000 (+0000)
Subject: Ensure the browser does not cache UIDL responses (#9732)
X-Git-Tag: 7.0.0.beta6~107
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=a930bbb16eeb7c8663c136b441ff44024c615447;p=vaadin-framework.git

Ensure the browser does not cache UIDL responses (#9732)

svn changeset:24575/svn branch:6.8

Conflicts:

	src/com/vaadin/terminal/gwt/server/CommunicationManager.java

Change-Id: I64a1a8300ab1d96e7a9b22c5ed53398cf0dd3f74
---

diff --git a/server/src/com/vaadin/server/VaadinServlet.java b/server/src/com/vaadin/server/VaadinServlet.java
index 9d1d79d8b1..0620035274 100644
--- a/server/src/com/vaadin/server/VaadinServlet.java
+++ b/server/src/com/vaadin/server/VaadinServlet.java
@@ -288,6 +288,11 @@ public class VaadinServlet extends HttpServlet implements Constants {
                 // Handles AJAX UIDL requests
                 communicationManager.handleUidlRequest(request, response,
                         servletWrapper, uI);
+
+                // Ensure that the browser does not cache UIDL responses.
+                // iOS 6 Safari requires this (#9732)
+                response.setHeader("Cache-Control", "no-cache");
+
                 return;
             } else if (requestType == RequestType.BROWSER_DETAILS) {
                 // Browser details - not related to a specific UI