[SPARK-24490] Use WebUI.addStaticHandler in web UIs

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Affects Version/s: 2.3.0
• Fix Version/s: 2.4.0
• Component/s: Web UI
• Assignee: Jacek Laskowski
• Reporter: Jacek Laskowski
• Created: 07/Jun/18 21:55
• Updated: 15/Jun/18 16:59
• Resolved: 15/Jun/18 16:59

Description

WebUI defines addStaticHandler that web UIs don't use (and simply introduce duplication). Let's clean them up and remove duplications.

Issue Links

• links to: [Github] Pull Request #21510 (jaceklaskowski)