From 2e789eb2261fa607489d8ae630fb77e8147d0266 Mon Sep 17 00:00:00 2001
From: Jason Lowe <jlowe@apache.org>
Date: Tue, 7 Oct 2014 14:10:39 +0000
Subject: [PATCH] MAPREDUCE-6029. TestCommitterEventHandler fails in trunk.
 Contributed by Mit Desai

---
 hadoop-mapreduce-project/CHANGES.txt                     | 3 +++
 .../v2/app/commit/TestCommitterEventHandler.java         | 9 +++++++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/hadoop-mapreduce-project/CHANGES.txt b/hadoop-mapreduce-project/CHANGES.txt
index 8bc1e533ea..1adf7cf66c 100644
--- a/hadoop-mapreduce-project/CHANGES.txt
+++ b/hadoop-mapreduce-project/CHANGES.txt
@@ -411,6 +411,9 @@ Release 2.6.0 - UNRELEASED
     MAPREDUCE-6094. TestMRCJCFileInputFormat.testAddInputPath() fails on trunk
     (Akira AJISAKA via jlowe)
 
+    MAPREDUCE-6029. TestCommitterEventHandler fails in trunk (Mit Desai via
+    jlowe)
+
 Release 2.5.1 - 2014-09-05
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/commit/TestCommitterEventHandler.java b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/commit/TestCommitterEventHandler.java
index 83e43f5ffa..a553bbdab2 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/commit/TestCommitterEventHandler.java
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/commit/TestCommitterEventHandler.java
@@ -58,6 +58,7 @@
 import org.apache.hadoop.mapreduce.v2.app.job.event.JobCommitFailedEvent;
 import org.apache.hadoop.mapreduce.v2.util.MRApps;
 import org.apache.hadoop.security.UserGroupInformation;
+import org.apache.hadoop.util.Time;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.event.Event;
@@ -84,8 +85,12 @@ public synchronized void handle(Event event) {
     
     public synchronized Event getAndClearEvent() throws InterruptedException {
       if (event == null) {
-        //Wait for at most 10 ms
-        wait(100);
+        final long waitTime = 5000;
+        long waitStartTime = Time.monotonicNow();
+        while(event == null && Time.monotonicNow() - waitStartTime < waitTime) {
+          //Wait for at most 5 sec
+          wait(waitTime);
+        }
       }
       Event e = event;
       event = null;