[REEF-907] Upgrade Maven checkstyle version and fix the code

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.14
• Component/s: All
• Assignee: Dongjoon Hyun
• Reporter: Dongjoon Hyun
• Created: 04/Nov/15 19:14
• Updated: 04/Nov/15 20:23
• Resolved: 04/Nov/15 20:23

Description

This issue proposes to upgrade both Maven checkstyle plugin and checkstyle to enforce more styles. Also, the code should be updated to pass the new checkstyle checking.

-        <maven-checkstyle-plugin.version>2.15</maven-checkstyle-plugin.version>
+        <maven-checkstyle-plugin.version>2.17</maven-checkstyle-plugin.version>
-        <checkstyle.version>6.6</checkstyle.version>
+        <checkstyle.version>6.12</checkstyle.version>

Issue Links

• links to: Link to PR