[HADOOP-9823] Make ReconfigurableServlet compatible with chrome/firefox

• Type: Bug
• Status: Patch Available
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 2.0.0-alpha
• Component/s: conf
• Labels: BB2015-05-TBR
• Target Version/s: 2.0.6-alpha
• Assignee: Unassigned
• Reporter: Zesheng Wu
• Created: 04/Aug/13 09:22
• Updated: 23/Nov/15 03:00

Description

The current implementation doesn't set the content type, the http server will return the default one 'text/plain', this will result in chrome/firefox displaying the servlet page as a plain text page.
This is a very simple change, doesn't need to add unit test.