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Posted to common-commits@hadoop.apache.org by eb...@apache.org on 2021/03/18 18:14:35 UTC

[hadoop] 02/02: YARN-10703. Fix potential null pointer error of gpuNodeResourceUpdateHandler in NodeResourceMonitorImpl. Contributed by Qi Zhu.

This is an automated email from the ASF dual-hosted git repository.

ebadger pushed a commit to branch branch-3.3
in repository https://gitbox.apache.org/repos/asf/hadoop.git

commit 0e37da334b12da63013477ad86d618e33987b8dc
Author: Eric Badger <eb...@verizonmedia.com>
AuthorDate: Thu Mar 18 17:47:18 2021 +0000

    YARN-10703. Fix potential null pointer error of gpuNodeResourceUpdateHandler in NodeResourceMonitorImpl. Contributed by Qi Zhu.
    
    (cherry picked from commit 181b9ddc513c405a84feb4715fa6ed4fe1a3d629)
---
 .../hadoop/yarn/server/nodemanager/NodeResourceMonitorImpl.java     | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/NodeResourceMonitorImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/NodeResourceMonitorImpl.java
index 098e7c7..7577b55 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/NodeResourceMonitorImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/NodeResourceMonitorImpl.java
@@ -173,8 +173,10 @@ public class NodeResourceMonitorImpl extends AbstractService implements
 
         float nodeGpuUtilization = 0F;
         try {
-          nodeGpuUtilization =
-              gpuNodeResourceUpdateHandler.getNodeGpuUtilization();
+          if (gpuNodeResourceUpdateHandler != null) {
+            nodeGpuUtilization =
+                gpuNodeResourceUpdateHandler.getNodeGpuUtilization();
+          }
         } catch (Exception e) {
           LOG.error("Get Node GPU Utilization error: " + e);
         }

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