YARN-1703. Fixed ResourceManager web-proxy to close connections correctly. Contributed by Rohith Sharma.

(cherry picked from commit 198fb58776ec02397af5ad83259535b0291b745c)

hadoop-yarn-project/CHANGES.txt

@@ -69,6 +69,9 @@ Release 2.7.0 - UNRELEASED
     YARN-2432. RMStateStore should process the pending events before close.
     (Varun Saxena via jianhe)
 
+    YARN-1703. Fixed ResourceManager web-proxy to close connections correctly.
+    (Rohith Sharma via vinodkv)
+
 Release 2.6.0 - 2014-11-18
 
   INCOMPATIBLE CHANGES

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/src/main/java/org/apache/hadoop/yarn/server/webproxy/WebAppProxyServlet.java

@@ -166,6 +166,7 @@ public class WebAppProxyServlet extends HttpServlet {
     }
     config.setLocalAddress(localAddress);
     HttpMethod method = new GetMethod(uri.getEscapedURI());
+    method.setRequestHeader("Connection","close");
     @SuppressWarnings("unchecked")
     Enumeration<String> names = req.getHeaderNames();
     while(names.hasMoreElements()) {