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https://issues.apache.org/jira/browse/FLEX-33745?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Justin Mclean resolved FLEX-33745.
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Resolution: Fixed
Fix Version/s: Apache Flex 4.12.0
Fixed and checked into develop branch.
> Null error in the PopupManagerImpl if accessibility is deactivated
> ------------------------------------------------------------------
>
> Key: FLEX-33745
> URL: https://issues.apache.org/jira/browse/FLEX-33745
> Project: Apache Flex
> Issue Type: Bug
> Components: PopUp Manager
> Affects Versions: Apache Flex 4.10.0
> Reporter: Benjamin Chalupka
> Assignee: Justin Mclean
> Labels: easyfix, easytest, nullpointerexception, popupmanager
> Fix For: Apache Flex 4.12.0
>
> Original Estimate: 10m
> Remaining Estimate: 10m
>
> 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.
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