[HDFS-4014] Fix warnings found by findbugs2

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.0-alpha
• Fix Version/s: 2.0.3-alpha
• Target Version/s: 2.0.3-alpha
• Assignee: Eli Collins
• Reporter: Eli Collins
• Created: 06/Oct/12 02:18
• Updated: 28/Sep/15 20:58
• Resolved: 05/Feb/15 00:19

Description

The HDFS side of HADOOP-8594. Ubrella jira for fixing the warnings found by findbugs 2.

Issue Links

• is related to: HADOOP-8594 Fix issues identified by findsbugs2

Sub-Tasks

• GenerationStamp should use an AtomicLong: Closed
• BlockManager excessBlocksCount and postponedMisreplicatedBlocksCount should be AtomicLongs: Closed
• Update findbugsExcludeFile.xml to include findbugs 2 exclusions: Closed
• Specify the charset explicitly rather than rely on the default: Closed
• Miscellaneous findbugs 2 fixes: Closed
• Remove redundant null checks: Closed
• LightWeightGSet and LightWeightHashSet increment a volatile without synchronization: Closed
• Fix all findbug security warings: Closed