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https://issues.apache.org/jira/browse/FLEX-33165?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Justin Mclean resolved FLEX-33165.
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Resolution: Fixed
Fix Version/s: Apache Flex 4.11.0
> RTE on Scroller when rotating device in mobile simulator
> --------------------------------------------------------
>
> Key: FLEX-33165
> URL: https://issues.apache.org/jira/browse/FLEX-33165
> Project: Apache Flex
> Issue Type: Bug
> Components: Spark: Scroller
> Affects Versions: Adobe Flex SDK 4.6 (Release)
> Reporter: Maurice Amsellem
> Priority: Minor
> Labels: EasyFix
> Fix For: Apache Flex 4.11.0
>
>
> When rotating the mobile simulator (Menu Device>Rotate left or right), I get
> the following error:
> {code}
> Error #1056: Cannot create property null on spark.components.DataGroup.
> at
> spark.components::Scroller/http://www.adobe.com/2006/flex/mx/internal::snapElement()[E:\dev\4.y\frameworks\projects\spark\src\spark\components\Scroller.as:1571]
> at
> spark.components::Scroller/checkScrollPosition()[E:\dev\4.y\frameworks\projects\spark\src\spark\components\Scroller.as:1750]
> at
> spark.components::Scroller/handleSizeChange()[E:\dev\4.y\frameworks\projects\spark\src\spark\components\Scroller.as:1766]
> at
> spark.components::Scroller/handleSizeChangeOnUpdateComplete()[E:\dev\4.y\frameworks\projects\spark\src\spark\components\Scroller.as:2048]
> {code}
> In Scroller:1571 viewport[scrollProperty] = snapScrollPosition;
> scrollProperty is null, which trigger the RTE.
> Scroller belongs to a spark:List with HorizontalLayout and
> verticalScrollPolicy style is set to ScrollPolicy.OFF.
> also, the RTE does not seem to occur on the real device, but maybe it is just
> swallowed...
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