[FLEX-20767] HBox / HGroup and IncludeIn (states) within TabNavigator gives an error

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: Adobe Flex SDK Previous
• Component/s: mx: Tab Navigator
• Environment: Affected OS(s): All OS Platforms; Affected OS(s): All OS Platforms; Language Found: English
• Assignee: Unassigned
• Reporter: Adobe JIRA
• Created: 26/Aug/09 06:47
• Updated: 24/May/11 03:47

Description

Steps to reproduce:
1. Create 2 states
2. Create a small layout with a 2 HBox or 2 HGroups
3. Set each state on the IncludeIn on the 2 Hbox or 2 HGroup

Actual Results:
Gives this error when loading
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at mx.states::AddItems/addItemsToArray()[E:\dev\trunk\frameworks\projects\framework\src\mx\states\AddItems.as:697]
at mx.states::AddItems/apply()[E:\dev\trunk\frameworks\projects\framework\src\mx\states\AddItems.as:535]
at mx.core::UIComponent/applyState()[E:\dev\trunk\frameworks\projects\framework\src\mx\core\UIComponent.as:9334]
at mx.core::UIComponent/commitCurrentState()[E:\dev\trunk\frameworks\projects\framework\src\mx\core\UIComponent.as:9103]
at mx.core::UIComponent/creationCompleteHandler()[E:\dev\trunk\frameworks\projects\framework\src\mx\core\UIComponent.as:10604]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()[E:\dev\trunk\frameworks\projects\framework\src\mx\core\UIComponent.as:11449]
at mx.core::UIComponent/set initialized()[E:\dev\trunk\frameworks\projects\framework\src\mx\core\UIComponent.as:1522]
at mx.managers::LayoutManager/doPhasedInstantiation()[E:\dev\trunk\frameworks\projects\framework\src\mx\managers\LayoutManager.as:759]
at mx.managers::LayoutManager/doPhasedInstantiationCallback()[E:\dev\trunk\frameworks\projects\framework\src\mx\managers\LayoutManager.as:1067]

Expected Results:
It should show one of the Hbox or Hgroup

Workaround (if any):
None