[FLEX-15344] Alert or any popup is showing a "Type Coercion failed: cannot convert mx.managers::PopUpManagerImpl@b37fa01 to mx.managers.IPopUpManager" error when the screen is called from the resultevent function.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Not A Problem
• Affects Version/s: Adobe Flex SDK Previous
• Component/s: mx: Alert
• Environment: Affected OS(s): All OS Platforms; Affected OS(s): All OS Platforms; Language Found: English
• Assignee: Adobe JIRA
• Reporter: Adobe JIRA
• Created: 14/Aug/08 02:32
• Updated: 24/May/11 21:17
• Resolved: 05/Feb/10 16:07

Description

Steps to reproduce:
1.Create a first page with only swf loader a swf loader and load a login page.
2.Write a function with resultevent argument and using <mx:httpservice>. call a screen2 from the resultevent event function, and place a alert on the screen2.
3.Showing teh below error fopr alert, date picker and popupbutton

Actual Results:

TypeError: Error #1034: Type Coercion failed: cannot convert mx.managers::PopUpManagerImpl@b37fa01 to mx.managers.IPopUpManager.
at mx.managers::PopUpManager$/get impl()[E:\dev\3.0.x\frameworks\projects\framework\src\mx\managers\PopUpManager.as:68]
at mx.managers::PopUpManager$/addPopUp()[E:\dev\3.0.x\frameworks\projects\framework\src\mx\managers\PopUpManager.as:169]
at mx.controls::Alert$/show()[E:\dev\3.0.x\frameworks\projects\framework\src\mx\controls\Alert.as:507]
at UserRegistration/show()[C:\Documents and Settings\sumo\My Documents\Flex Builder 3\OD\src\UserRegistration.mxml:18]
at UserRegistration/__btn_click()[C:\Documents and Settings\sumo\My Documents\Flex Builder 3\OD\src\UserRegistration.mxml:79]

Expected Results:
Should show athe aler date picker and other popups.

Workaround (if any):
I have attached the mxml source files.