[hadoop] 04/11: YARN-7396. NPE when accessing container logs due to null dirsHandler. Contributed by Jonathan Hung

[jhung]

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jhung pushed a commit to branch YARN-8200.branch3
in repository https://gitbox.apache.org/repos/asf/hadoop.git

commit 028a74bbaa41e55fa0a5986e33ca71432da0720a
Author: Jian He <jia...@apache.org>
AuthorDate: Wed Nov 1 17:00:32 2017 -0700

    YARN-7396. NPE when accessing container logs due to null dirsHandler. 
Contributed by Jonathan Hung
---
 .../java/org/apache/hadoop/yarn/server/nodemanager/NodeManager.java    | 3 ++-
 1 file changed, 2 insertions(+), 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/NodeManager.java
 
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/NodeManager.java
index c7edec2..54a235c 100644
--- 
a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/NodeManager.java
+++ 
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/NodeManager.java
@@ -368,6 +368,8 @@ public class NodeManager extends CompositeService
     
     this.aclsManager = new ApplicationACLsManager(conf);
 
+    this.dirsHandler = new LocalDirsHandlerService(metrics);
+
     boolean isDistSchedulingEnabled =
         conf.getBoolean(YarnConfiguration.DIST_SCHEDULING_ENABLED,
             YarnConfiguration.DEFAULT_DIST_SCHEDULING_ENABLED);
@@ -391,7 +393,6 @@ public class NodeManager extends CompositeService
     // NodeManager level dispatcher
     this.dispatcher = createNMDispatcher();
 
-    dirsHandler = new LocalDirsHandlerService(metrics);
     nodeHealthChecker =
         new NodeHealthCheckerService(
             getNodeHealthScriptRunner(conf), dirsHandler);


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