[MAPREDUCE-6715] Fix Several Unsafe Practices

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.9.0
• Fix Version/s: 2.9.0, 3.0.0-alpha2
• Hadoop Flags: Reviewed
• Assignee: Yufei Gu
• Reporter: Yufei Gu
• Created: 15/Jun/16 22:03
• Updated: 06/Jan/17 17:38
• Resolved: 06/Jan/17 02:05

Description

Null Dereference        CleanupQueue.java:139
Weak SecurityManager Check: Overridable Method  LocalDistributedCacheManager.java:229
Null Dereference        TextOutputFormat.java:137
Null Dereference        ShuffleSchedulerImpl.java:422
Null Dereference        MapTask.java:415
Null Dereference        Pentomino.java:160
Unreleased Resource: Streams    TeraScheduler.java:77
Unreleased Resource: Streams    CLI.java:570
Null Dereference        CLI.java:370