[TILES-384] Throw more significant exception when a ListAttribute is not found in AddAttributeModel

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.2.0
• Fix Version/s: 2.2.0
• Component/s: tiles-template
• Assignee: Antonio Petrelli
• Reporter: Antonio Petrelli
• Created: 24/Mar/09 22:57
• Updated: 24/Mar/09 22:58
• Resolved: 24/Mar/09 22:58

Description

If AddAttributeModel class does not find a ListAttribute, it throws a NPE with a not-so-significant message.
A better message should be thrown.