[YARN-6520] Fix warnings from Spotbugs in hadoop-yarn-client

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.9.0, 3.0.0-alpha4
• Labels: findbugs
• Hadoop Flags: Reviewed
• Assignee: Weiwei Yang
• Reporter: Weiwei Yang
• Created: 24/Apr/17 07:59
• Updated: 01/May/17 13:45
• Resolved: 01/May/17 13:35

Description

There 2 findbugs warning in hadoop-yarn-client since switched to spotbugs

1. Possible exposure of partially initialized object in org.apache.hadoop.yarn.client.api.impl.YarnClientImpl.getTimelineDelegationToken()
2. Useless condition: it's known that isAppFinished == false at this point

See more info from https://builds.apache.org/job/PreCommit-HADOOP-Build/12157/artifact/patchprocess/branch-findbugs-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-client-warnings.html

Issue Links

• relates to: HADOOP-14336 Cleanup findbugs warnings found by Spotbugs