From 5b5792364a41ab8de28d90e26f42bbbe01ac1dac Mon Sep 17 00:00:00 2001
From: Anastasia Smirnova <anasmi@utu.fi>
Date: Tue, 8 May 2018 10:46:37 +0300
Subject: Set no cache headers for unsupported browsers (#10899)

Fixes #10890
---
 server/src/main/java/com/vaadin/server/UnsupportedBrowserHandler.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/server/src/main/java/com/vaadin/server/UnsupportedBrowserHandler.java b/server/src/main/java/com/vaadin/server/UnsupportedBrowserHandler.java
index fd9edb42b8..eb99690611 100644
--- a/server/src/main/java/com/vaadin/server/UnsupportedBrowserHandler.java
+++ b/server/src/main/java/com/vaadin/server/UnsupportedBrowserHandler.java
@@ -44,6 +44,7 @@ public class UnsupportedBrowserHandler extends SynchronizedRequestHandler {
             // bypass if cookie set
             String c = request.getHeader("Cookie");
             if (c == null || !c.contains(FORCE_LOAD_COOKIE)) {
+                response.setNoCacheHeaders();
                 writeBrowserTooOldPage(request, response);
                 return true; // request handled
             }
-- 
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