[FLEX-26047] RTE #1034 cannot convert mx.managers::WindowedSystemManager to mx.managers.SystemManager when Alert show on Window component

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: Adobe Flex SDK 4.1 (Release)
• Fix Version/s: Adobe Flex SDK Previous
• Component/s: mx: WindowedApplication
• Environment: Affected OS(s): All OS Platforms; Language Found: English
• Assignee: Adobe JIRA
• Reporter: Adobe JIRA
• Created: 26/Nov/10 01:20
• Updated: 27/Sep/11 11:48
• Resolved: 08/Feb/11 20:00

Description

Steps to reproduce:
1. Run the attached main.mxml
2. Click "Open WinA"
3. On the popup window, click "Open WinA"

Actual Results:
RTE as below:
TypeError: Error #1034: Type Coercion failed: cannot convert mx.managers::WindowedSystemManager@2255dd1 to mx.managers.SystemManager.
at mx.accessibility::AlertAccImpl/eventHandler()[E:\dev\4.x\frameworks\projects\framework\src\mx\accessibility\AlertAccImpl.as:187]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()[E:\dev\4.x\frameworks\projects\framework\src\mx\core\UIComponent.as:12528]
at mx.core::UIComponent/set initialized()[E:\dev\4.x\frameworks\projects\framework\src\mx\core\UIComponent.as:1627]
at mx.managers::LayoutManager/doPhasedInstantiation()[E:\dev\4.x\frameworks\projects\framework\src\mx\managers\LayoutManager.as:759]
at mx.managers::LayoutManager/doPhasedInstantiationCallback()[E:\dev\4.x\frameworks\projects\framework\src\mx\managers\LayoutManager.as:1072]

Expected Results:
No RTE

Workaround (if any):