[ERROR] COMPILATION ERROR :
[INFO] -------------------------------------------------------------
[ERROR] /home/sunilg/hadoop/repo/branch-2/hadoop/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FSSchedulerNode.java:[183,18] cannot find symbol
symbol: method putIfAbsent(org.apache.hadoop.yarn.api.records.ApplicationAttemptId,org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt)
location: variable appIdToAppMap of type java.util.Map<org.apache.hadoop.yarn.api.records.ApplicationAttemptId,org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt>
[ERROR] /home/sunilg/hadoop/repo/branch-2/hadoop/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FSSchedulerNode.java:[184,29] cannot find symbol
symbol: method putIfAbsent(org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt,org.apache.hadoop.yarn.api.records.Resource)
location: variable resourcesPreemptedForApp of type java.util.Map<org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt,org.apache.hadoop.yarn.api.records.Resource>