[HADOOP-14336] Cleanup findbugs warnings found by Spotbugs

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Done
• Assignee: Unassigned
• Reporter: Akira Ajisaka
• Created: 21/Apr/17 02:06
• Updated: 18/Jan/19 05:44
• Resolved: 18/Jan/19 05:44

Description

HADOOP-14316 switched from Findbugs to Spotbugs and there are now about 60 warnings. Let's fix them.

Issue Links

• is related to: HDFS-11783 Ozone: Fix spotbugs warnings
• is related to: HADOOP-14400 Fix warnings from spotbugs in hadoop-tools
• is related to: HDFS-11696 Fix warnings from Spotbugs in hadoop-hdfs
• is related to: MAPREDUCE-6881 Fix warnings from Spotbugs in hadoop-mapreduce
• is related to: YARN-6512 Fix for FindBugs getProcessList() possible NPE
• is related to: YARN-6513 Fix for FindBugs getPendingLogFilesToUpload() possible NPE
• is related to: YARN-6515 Fix warnings from Spotbugs in hadoop-yarn-server-nodemanager
• is related to: YARN-6517 Fix warnings from Spotbugs in hadoop-yarn-common
• is related to: YARN-6518 Fix warnings from Spotbugs in hadoop-yarn-server-timelineservice
• is related to: YARN-6519 Fix warnings from Spotbugs in hadoop-yarn-server-resourcemanager
• is related to: YARN-6520 Fix warnings from Spotbugs in hadoop-yarn-client
• relates to: HADOOP-14316 Switch from Findbugs to Spotbugs

Sub-Tasks

• Fix warnings from Spotbugs in hadoop-common: Resolved
• Fix warnings from Spotbugs in hadoop-yarn: Closed