[WICKET-2861] getConvertedInput() returns null and selectedValues.addAll tries adding it

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.4.7
• Fix Version/s: 1.4.9, 1.5-M1
• Component/s: wicket
• Assignee: Igor Vaynberg
• Reporter: Nathan Collette
• Created: 07/May/10 16:02
• Updated: 19/May/10 00:05
• Resolved: 18/May/10 22:22

Description

Came across this bug when upgrading from wicket 1.3 to 1.4.7. It occurred when we were clearing a form.

Add a null check to
selectedValues.addAll(getConvertedInput());
in ListMultipChoice:updateModel(),
because getConvertedInput() can conceivably be null in normal situations.