From f1d8a30ecac3f5fe78a4a158a3d4c928213645ba Mon Sep 17 00:00:00 2001
From: Artur Signell <artur@vaadin.com>
Date: Wed, 24 Oct 2012 13:29:58 +0300
Subject: Return 404 if a resource cannot be found (#10053)

Change-Id: Iaf87eb7af6f89decb61b7fd2ac953ca6a6dac15a
---
 server/src/com/vaadin/server/DownloadStream.java | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'server')

diff --git a/server/src/com/vaadin/server/DownloadStream.java b/server/src/com/vaadin/server/DownloadStream.java
index 3ba8b3d39a..5757f7ca93 100644
--- a/server/src/com/vaadin/server/DownloadStream.java
+++ b/server/src/com/vaadin/server/DownloadStream.java
@@ -250,6 +250,11 @@ public class DownloadStream implements Serializable {
 
         // Download from given stream
         final InputStream data = getStream();
+        if (data == null) {
+            response.setStatus(HttpServletResponse.SC_NOT_FOUND);
+            return;
+        }
+
         if (data != null) {
 
             OutputStream out = null;
-- 
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