[REEF-1858] Pin Travis builds to use Ubuntu `precise`

• Type: Task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.17
• Assignee: Markus Weimer
• Reporter: Markus Weimer
• Created: 07/Aug/17 22:25
• Updated: 08/Aug/17 17:54
• Resolved: 08/Aug/17 17:27

Description

Travis has updated their Ubuntu installation in a way that no longer supports Oracle's JDK in version 7. The easiest way out for us seems to be to use openjdk7 instead.