[REEF-781] Fix NPE on receiving filename query without arguments

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.12
• Fix Version/s: 0.13
• Assignee: Dongjoon Hyun
• Reporter: Dongjoon Hyun
• Created: 23/Sep/15 08:39
• Updated: 07/Oct/15 10:19
• Resolved: 07/Oct/15 10:19

Description

This issue addresses the followings:

• HttpServerReefEventHandler makes NullPointerException on `filename` query without arguments.
• Use typed list to avoid dynamic type-casting
• Remove mixed use of both `getWriter()` and `getOutputStream()'

Issue Links

• links to: Link to PR