From ee5e66bb0d440bf14c99aebc58040f3193ec50a5 Mon Sep 17 00:00:00 2001
From: Dimitrios Athanasiou <dimitris@elastic.co>
Date: Fri, 28 Apr 2017 17:58:55 +0100
Subject: [PATCH] [ML] Make updateDatafeed var in UpdateDatafeedAction volatile

Original commit: elastic/x-pack-elasticsearch@d8461d0960cde8383461007b79754e7db593ec8f
---
 .../org/elasticsearch/xpack/ml/action/UpdateDatafeedAction.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugin/src/main/java/org/elasticsearch/xpack/ml/action/UpdateDatafeedAction.java b/plugin/src/main/java/org/elasticsearch/xpack/ml/action/UpdateDatafeedAction.java
index 95d43ecb8b5..5d5c7a10a83 100644
--- a/plugin/src/main/java/org/elasticsearch/xpack/ml/action/UpdateDatafeedAction.java
+++ b/plugin/src/main/java/org/elasticsearch/xpack/ml/action/UpdateDatafeedAction.java
@@ -147,7 +147,7 @@ public class UpdateDatafeedAction extends Action<UpdateDatafeedAction.Request, P
                 throws Exception {
             clusterService.submitStateUpdateTask("update-datafeed-" + request.getUpdate().getId(),
                     new AckedClusterStateUpdateTask<PutDatafeedAction.Response>(request, listener) {
-                        private DatafeedConfig updatedDatafeed;
+                        private volatile DatafeedConfig updatedDatafeed;
 
                         @Override
                         protected PutDatafeedAction.Response newResponse(boolean acknowledged) {