[YARN-4328] Findbugs warning in resourcemanager in branch-2.7 and branch-2.6

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.7.1, 2.6.2
• Fix Version/s: 2.7.4, 2.6.6
• Component/s: resourcemanager
• Labels: oct16-easy
• Target Version/s: 2.7.4
• Hadoop Flags: Reviewed
• Assignee: Akira Ajisaka
• Reporter: Varun Saxena
• Created: 03/Nov/15 16:58
• Updated: 15/Nov/16 13:30
• Resolved: 27/Oct/16 22:10

Description

This issue exists in both branch-2.7 and branch-2.6

<file classname='org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$ZKSyncOperationCallback'>
<BugInstance type='SIC_INNER_SHOULD_BE_STATIC' priority='Normal' category='PERFORMANCE' message='Should org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore$ZKSyncOperationCallback be a _static_ inner class?' lineNumber='118'/></file>

Below issue exists only in branch-2.6

<file classname='org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt'>
<BugInstance type='IS2_INCONSISTENT_SYNC' priority='Normal' category='MT_CORRECTNESS' message='Inconsistent synchronization of org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt.queue; locked 57% of time' lineNumber='261'/>

Issue Links

• is related to: YARN-2938 Fix new findbugs warnings in hadoop-yarn-resourcemanager and hadoop-yarn-applicationhistoryservice