[FLEX-33745] Null error in the PopupManagerImpl if accessibility is deactivated

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Apache Flex 4.10.0
• Fix Version/s: Apache Flex 4.12.0
• Component/s: PopUp Manager
• Labels: easyfix easytest nullpointerexception popupmanager
• Assignee: Justin Mclean
• Reporter: Benjamin Chalupka
• Created: 19/Sep/13 13:36
• Updated: 23/Dec/13 22:56
• Resolved: 23/Dec/13 22:56

Description

During the removal of a popup this error appears:

TypeError: Error #1009: Cannot access a property or method of a null object reference.
at mx.managers::PopUpManagerImpl/removeModalPopUpAccessibility()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/framework/src/mx/managers/PopUpManagerImpl.as:1513]
at mx.managers::PopUpManagerImpl/popupRemovedHandler()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/framework/src/mx/managers/PopUpManagerImpl.as:1251]
at flash.display::DisplayObjectContainer/removeChild()
at mx.managers::SystemManager/http://www.adobe.com/2006/flex/mx/internal::rawChildren_removeChild()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/framework/src/mx/managers/SystemManager.as:2152]
at mx.managers::SystemManager/removeChild()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/framework/src/mx/managers/SystemManager.as:1795]
at mx.managers::PopUpManagerImpl/removePopUp()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/framework/src/mx/managers/PopUpManagerImpl.as:662]
at mx.managers::PopUpManager$/removePopUp()[/Users/justinmclean/Documents/ApacheFlex4.10/frameworks/projects/framework/src/mx/managers/PopUpManager.as:238]

The fix should be to simply add a check if the accessibilityProperties property is null or expand the try catch block around it.