John Zhuge created YARN-6501:
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Summary: FSSchedulerNode.java failed to build with JDK7
Key: YARN-6501
URL: https://issues.apache.org/jira/browse/YARN-6501
Project: Hadoop YARN
Issue Type: Bug
Components: resourcemanager
Affects Versions: 2.9.0
Reporter: John Zhuge
{noformat}
[ERROR]
/Users/jzhuge/hadoop-commit/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
[ERROR] symbol: method
putIfAbsent(org.apache.hadoop.yarn.api.records.ApplicationAttemptId,org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt)
[ERROR] 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]
/Users/jzhuge/hadoop-commit/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
[ERROR] symbol: method
putIfAbsent(org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt,org.apache.hadoop.yarn.api.records.Resource)
[ERROR] location: variable resourcesPreemptedForApp of type
java.util.Map<org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt,org.apache.hadoop.yarn.api.records.Resource>
{noformat}
{{Map#putIfAbsent}} is introduced in JDK8.
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