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https://issues.apache.org/jira/browse/FLEX-14181?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Justin Mclean updated FLEX-14181:
---------------------------------
Labels: easyfix easytest (was: )
> DividedBox call to getDividerAt(num) encounters null reference when no
> dividers are present
> -------------------------------------------------------------------------------------------
>
> Key: FLEX-14181
> URL: https://issues.apache.org/jira/browse/FLEX-14181
> Project: Apache Flex
> Issue Type: Bug
> Components: mx: DividedBox
> Affects Versions: Adobe Flex SDK 3.0 (Release)
> Environment: Affected OS(s): Windows
> Affected OS(s): Windows XP
> Browser: Firefox 2.x
> Language Found: English
> Reporter: Adobe JIRA
> Labels: easyfix, easytest
>
> What I am doing is programatically adding items to an HDividedBox. There may
> or may not be any components added to the dividerbox. Then later when I make
> a call to getDividerAt(i) I get the exception. I believe the member
> dividedLayer of DividedBox is null since nothing was added to it.
> Steps to reproduce:
> 1. Create a DividedBox, or in my case an HDividedBox
> 2. Make a call to the divider.getDividerAt(some number)
> 3. It blows up with a null reference. The null reference actually being the
> dividerLayer.
>
> Actual Results:
> TypeError: Error #1009: Cannot access a property or method of a null object
> reference.
> at
> mx.containers::DividedBox/getDividerAt()[E:\dev\3.0.x\frameworks\projects\framework\src\mx\containers\DividedBox.as:697]
> at
> components::DataContainer/commitProperties()[C:\development\workspace\Components\src\components\DataContainerHelper.as:111]
> at
> mx.core::UIComponent/validateProperties()[E:\dev\3.0.x\frameworks\projects\framework\src\mx\core\UIComponent.as:5670]
> at
> mx.managers::LayoutManager/validateProperties()[E:\dev\3.0.x\frameworks\projects\framework\src\mx\managers\LayoutManager.as:519]
> at
> mx.managers::LayoutManager/doPhasedInstantiation()[E:\dev\3.0.x\frameworks\projects\framework\src\mx\managers\LayoutManager.as:639]
> at Function/http://adobe.com/AS3/2006/builtin::apply()
> at
> mx.core::UIComponent/callLaterDispatcher2()[E:\dev\3.0.x\frameworks\projects\framework\src\mx\core\UIComponent.as:8460]
> at
> mx.core::UIComponent/callLaterDispatcher()[E:\dev\3.0.x\frameworks\projects\framework\src\mx\core\UIComponent.as:8403]
>
> Expected Results:
> I would expect to get a null value returned to me if either there was no
> dividerLayer or the item at the index was null.
>
> Workaround (if any):
> From what I can tell there is no getDividerCount method to check before
> making the call.
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