From 60af851e59bf29efc5b2e132c8b9aaa11b29e672 Mon Sep 17 00:00:00 2001
From: Giovanni Matteo Fumarola <gifuma@apache.org>
Date: Tue, 11 Dec 2018 11:22:32 -0800
Subject: [PATCH] HDFS-14137. TestMaintenanceState fails with
 ArrayIndexOutOfBound Exception. Contributed by Ayush Saxena.

---
 .../test/java/org/apache/hadoop/hdfs/TestMaintenanceState.java  | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestMaintenanceState.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestMaintenanceState.java
index 7c536e913b..092b5af2dd 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestMaintenanceState.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestMaintenanceState.java
@@ -665,6 +665,8 @@ public void testMultipleNodesMaintenance() throws Exception {
 
     int repl = 3;
     writeFile(fileSys, file, repl, 1);
+    DFSTestUtil.waitForReplication((DistributedFileSystem) fileSys, file,
+        (short) repl, 10000);
     final DatanodeInfo[] nodes = getFirstBlockReplicasDatanodeInfos(fileSys,
         file);