[HBASE-24169] Drop hadoop 2 support for hbase 3.x

• Type: Umbrella
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: 3.0.0-alpha-1
• Component/s: hadoop2, hadoop3, pom
• Hadoop Flags: Incompatible change

Release Note

The 'hadoop-2.0' profile has been removed. Now execute mvn command without '-Dhadoop.profile' will active the hadoop-3.0 profile.

The hbase-hadoop2-compat module has been removed, the code have all been moved to hbase-hadoop-compat module.

• Assignee: Duo Zhang
• Reporter: Duo Zhang
• Created: 11/Apr/20 06:18
• Updated: 05/May/20 11:50
• Resolved: 05/May/20 11:50

Description

As discussed several times on mailing list, I think it is time to do this.

Issue Links

• relates to: HBASE-24213 Backport the pre commit changes for HBASE-24169 to all branches

Sub-Tasks

• Remove hadoop-2.0 profile: Resolved
• Skip hadoop2 check for master branch: Resolved
• Merge the code in hbase-hadoop2-compat module to hbase-hadoop-compat: Resolved
• Remove hadoop-two-compat.xml in hbase-assembly: Resolved