diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/RMContextImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/RMContextImpl.java
index 6231425a987..a10f44898b0 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/RMContextImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/RMContextImpl.java
@@ -683,9 +683,13 @@ public class RMContextImpl implements RMContext {
   }
 
   public Set<String> getExclusiveEnforcedPartitions() {
-    String[] configuredPartitions = getYarnConfiguration().getStrings(
-        YarnConfiguration.EXCLUSIVE_ENFORCED_PARTITIONS);
     Set<String> exclusiveEnforcedPartitions = new HashSet<>();
+    Configuration conf = getYarnConfiguration();
+    if (conf == null) {
+      return new HashSet<>();
+    }
+    String[] configuredPartitions = conf.getStrings(
+        YarnConfiguration.EXCLUSIVE_ENFORCED_PARTITIONS);
     if (configuredPartitions != null) {
       for (String partition : configuredPartitions) {
         exclusiveEnforcedPartitions.add(partition);