[HADOOP-14777] S3Guard premerge changes: java 7 build & test tuning

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: HADOOP-13345
• Fix Version/s: HADOOP-13345
• Component/s: fs/s3, test
• Target Version/s: HADOOP-13345
• Assignee: Steve Loughran
• Reporter: Steve Loughran
• Created: 16/Aug/17 12:29
• Updated: 22/Aug/17 11:59
• Resolved: 17/Aug/17 10:52

Description

Another set of changes for S3Guard in preparation for merging via HADOOP-13998

• checkstyle issues
• Made Java 7 friendly (indeed, tested applied to branch-2 with some POM changes & tested there)
• improve diagnostics on some test failure. This would address HADOOP-14750.

Issue Links

• is depended upon by: HADOOP-13998 Merge initial S3guard release into trunk