[HADOOP-8340] SNAPSHOT build versions should compare as less than their eventual final release

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.0.0-alpha
• Fix Version/s: 2.0.2-alpha
• Component/s: util
• Target Version/s: 2.0.0-alpha
• Hadoop Flags: Reviewed
• Assignee: Todd Lipcon
• Reporter: Todd Lipcon
• Created: 01/May/12 23:07
• Updated: 11/Oct/12 21:45
• Resolved: 10/May/12 04:45

Description

We recently added a utility function to compare two version strings, based on splitting on '.'s and comparing each component. However, it considers a version like 2.0.0-SNAPSHOT as being greater than 2.0.0. This isn't right, since SNAPSHOT builds come before the final release.

Issue Links

• incorporates: HDFS-3341 Change minimum RPC versions to 2.0.0-SNAPSHOT instead of 2.0.0