[HDFS-6817] Fix findbugs and other warnings

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: fs-encryption (HADOOP-10150 and HDFS-6134)
• Component/s: security
• Target Version/s: fs-encryption (HADOOP-10150 and HDFS-6134)
• Hadoop Flags: Reviewed
• Assignee: Yi Liu
• Reporter: Yi Liu
• Created: 05/Aug/14 08:53
• Updated: 06/Aug/14 04:45
• Resolved: 06/Aug/14 04:44

Description

We need to fix the findbugs and other warnings before merge.