From c6573562cbc43832e9332989996e5d07b8bce9b0 Mon Sep 17 00:00:00 2001
From: Haibo Chen <haibochen@apache.org>
Date: Mon, 6 May 2019 11:55:07 -0700
Subject: [PATCH] YARN-9529. Log correct cpu controller path on error while
 initializing CGroups. (Contributed by Jonathan Hung)

(cherry picked from commit 597fa47ad125c0871f5c4deb3a883e5b3341c67b)
---
 .../server/nodemanager/util/CgroupsLCEResourcesHandler.java     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/util/CgroupsLCEResourcesHandler.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/util/CgroupsLCEResourcesHandler.java
index 54b6e1c170b..a73dcbe9134 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/util/CgroupsLCEResourcesHandler.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/util/CgroupsLCEResourcesHandler.java
@@ -482,7 +482,7 @@ public class CgroupsLCEResourcesHandler implements LCEResourcesHandler {
         controllerPaths.put(CONTROLLER_CPU, controllerPath);
       } else {
         throw new IOException("Not able to enforce cpu weights; cannot write "
-            + "to cgroup at: " + controllerPath);
+            + "to cgroup at: " + f.getPath());
       }
     } else {
       throw new IOException("Not able to enforce cpu weights; cannot find "