From 9356cf8676fd18f78655e8a6f2e6c946997dbd40 Mon Sep 17 00:00:00 2001
From: Jason Lowe <jlowe@apache.org>
Date: Tue, 5 May 2015 13:42:32 +0000
Subject: [PATCH] YARN-3552. RM Web UI shows -1 running containers for
 completed apps. Contributed by Rohith

---
 hadoop-yarn-project/CHANGES.txt                                | 3 +++
 .../server/resourcemanager/webapp/FairSchedulerAppsBlock.java  | 3 ++-
 .../hadoop/yarn/server/resourcemanager/webapp/RMAppsBlock.java | 3 ++-
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/hadoop-yarn-project/CHANGES.txt b/hadoop-yarn-project/CHANGES.txt
index 287205df0ff..97d3208ecdb 100644
--- a/hadoop-yarn-project/CHANGES.txt
+++ b/hadoop-yarn-project/CHANGES.txt
@@ -305,6 +305,9 @@ Release 2.8.0 - UNRELEASED
     YARN-2725. Added test cases of retrying creating znode in ZKRMStateStore.
     (Tsuyoshi Ozawa via jianhe)
 
+    YARN-3552. RM Web UI shows -1 running containers for completed apps
+    (Rohith via jlowe)
+
 Release 2.7.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/FairSchedulerAppsBlock.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/FairSchedulerAppsBlock.java
index 9650dfe8b14..8f8ece06b9c 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/FairSchedulerAppsBlock.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/FairSchedulerAppsBlock.java
@@ -133,7 +133,8 @@ public class FairSchedulerAppsBlock extends HtmlBlock {
       .append(appInfo.getFinishTime()).append("\",\"")
       .append(appInfo.getState()).append("\",\"")
       .append(appInfo.getFinalStatus()).append("\",\"")
-      .append(appInfo.getRunningContainers()).append("\",\"")
+      .append(appInfo.getRunningContainers() == -1 ? "N/A" : String
+         .valueOf(appInfo.getRunningContainers())).append("\",\"")
       // Progress bar
       .append("<br title='").append(percent)
       .append("'> <div class='").append(C_PROGRESSBAR).append("' title='")
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RMAppsBlock.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RMAppsBlock.java
index 715d9d942f1..30541501c2e 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RMAppsBlock.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RMAppsBlock.java
@@ -110,7 +110,8 @@ public class RMAppsBlock extends AppsBlock {
         .append("\",\"")
         .append(app.getFinalAppStatus())
         .append("\",\"")
-        .append(String.valueOf(app.getRunningContainers()))
+        .append(app.getRunningContainers() == -1 ? "N/A" : String
+            .valueOf(app.getRunningContainers()))
         .append("\",\"")
         // Progress bar
         .append("<br title='").append(percent).append("'> <div class='")