[HBASE-22785] Reduce number of Checkstyle issues in client exceptions

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 3.0.0-alpha-1, 1.5.0, 2.3.0, 2.0.6, 2.2.1, 2.1.6, 1.3.6, 1.4.11
• Component/s: Client
• Hadoop Flags: Reviewed
• Assignee: Jan Hentschel
• Reporter: Jan Hentschel
• Created: 03/Aug/19 20:22
• Updated: 06/Aug/19 00:37
• Resolved: 05/Aug/19 15:56

Description

The exceptions in the client module have some Checkstyle issues. Also, the Javadocs should be extended and enhanced.

Issue Links

• links to: GitHub Pull Request #447