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https://issues.apache.org/jira/browse/FLEX-33156?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Carol Frampton resolved FLEX-33156.
-----------------------------------
Resolution: Fixed
Author: cframpton
Date: Tue Dec 4 15:30:50 2012
New Revision: 1416993
URL: http://svn.apache.org/viewvc?rev=1416993&view=rev
Log:
Fix RTE in focusInHandler when focusManager is null.
Modified:
incubator/flex/sdk/branches/develop/frameworks/projects/spark/src/spark/components/Scroller.as
> focusInHandler() in spark Scroller doesn't null check focusManager property
> before using
> ----------------------------------------------------------------------------------------
>
> Key: FLEX-33156
> URL: https://issues.apache.org/jira/browse/FLEX-33156
> Project: Apache Flex
> Issue Type: Bug
> Components: Spark: Scroller
> Affects Versions: Adobe Flex SDK 4.6 (Release)
> Reporter: Roland Zwaga
> Assignee: Carol Frampton
> Fix For: Adobe Flex SDK Next
>
> Attachments: Scroller.as.patch
>
>
> the focusHandler() method wrongfully assumes that the focusManager is always
> a valid instance. When checking the focusManager property in UIComponent it
> is clear that in certain cases this property can return a null value.
> So in some cases this can lead to an RTE. I have encountered this once in my
> current project but find it very hard to reproduce. Basically a Scroller
> instance that was displayed in a popup window gave this RTE after the popup
> was removed.
> Reproducable or not, I believe the null check should be added seeing the fact
> that the focusManager property explicitly returns null in some cases.
> I have attached a patch file which adds the null check.
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