Index: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.java IDEA additional info: Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP <+>UTF-8 =================================================================== --- hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.java (date 1490228231000) +++ hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/UsersManager.java (revision ) @@ -729,7 +729,9 @@ + " resourceByLabel: " + partitionResource + " usageratio: " + getUsageRatio(nodePartition) + " Partition: " + nodePartition); } - getUser(userName).setUserResourceLimit(userLimitResource); + if(getUser(userName) != null) { + getUser(userName).setUserResourceLimit(userLimitResource); + } return userLimitResource; }