From 282974215c00afa5dfad164a3c87499f71b6eb2e Mon Sep 17 00:00:00 2001
From: Robin Neatherway <robin.neatherway@gmail.com>
Date: Mon, 12 Feb 2018 23:55:17 +0000
Subject: [PATCH] MetaDataIndexAliasesService wrong get type (#28614)

A get of the wrong type would always have returned null so these
indices would have been inserted into the map repeatedly.
---
 .../cluster/metadata/MetaDataIndexAliasesService.java           | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/src/main/java/org/elasticsearch/cluster/metadata/MetaDataIndexAliasesService.java b/server/src/main/java/org/elasticsearch/cluster/metadata/MetaDataIndexAliasesService.java
index 37831f977ae..0c38371bdc9 100644
--- a/server/src/main/java/org/elasticsearch/cluster/metadata/MetaDataIndexAliasesService.java
+++ b/server/src/main/java/org/elasticsearch/cluster/metadata/MetaDataIndexAliasesService.java
@@ -133,7 +133,7 @@ public class MetaDataIndexAliasesService extends AbstractComponent {
                     Function<String, IndexMetaData> indexLookup = name -> metadata.get(name);
                     aliasValidator.validateAlias(alias, action.getIndex(), indexRouting, indexLookup);
                     if (Strings.hasLength(filter)) {
-                        IndexService indexService = indices.get(index.getIndex());
+                        IndexService indexService = indices.get(index.getIndex().getName());
                         if (indexService == null) {
                             indexService = indicesService.indexService(index.getIndex());
                             if (indexService == null) {