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From "John Zhuge (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-6501) FSSchedulerNode.java failed to build with JDK7
Date Thu, 20 Apr 2017 01:36:04 GMT
John Zhuge created YARN-6501:
--------------------------------

             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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