[HBASE-18973] clean up maven warnings about pom well-formedness for master/branch-2

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha-1
• Fix Version/s: 2.0.0-alpha-4, 2.0.0
• Component/s: build
• Assignee: Sean Busbey
• Reporter: Sean Busbey
• Created: 09/Oct/17 13:31
• Updated: 01/Aug/18 06:23
• Resolved: 09/Oct/17 16:46

Description

on master, maybe others since I haven't checked yet:

[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective model for org.apache.hbase:hbase-it:jar:3.0.0-SNAPSHOT
[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: org.glassfish.jersey.core:jersey-client:jar -> version ${jersey.version} vs 2.25.1 @ org.apache.hbase:hbase-it:[unknown-version], /Users/busbey/tmp_projects/hbase/hbase-it/pom.xml, line 298, column 17
[WARNING]
[WARNING] Some problems were encountered while building the effective model for org.apache.hbase:hbase-rest:jar:3.0.0-SNAPSHOT
[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: javax.servlet:javax.servlet-api:jar -> version (?) vs ${servlet.api.version} @ org.apache.hbase:hbase-rest:[unknown-version], /Users/busbey/tmp_projects/hbase/hbase-rest/pom.xml, line 341, column 17
[WARNING]
[WARNING] It is highly recommended to fix these problems because they threaten the stability of your build.
[WARNING]
[WARNING] For this reason, future Maven versions might no longer support building such malformed projects.
[WARNING]
[INFO] ------------------------------------------------------------------------