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https://issues.apache.org/jira/browse/FLEX-34188?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mihai Chira updated FLEX-34188:
-------------------------------
Attachment: FLEX-34188.patch
> RTE in ToolTipManagerImpl after focus set, grid cleared and then removed from
> stage.
> ------------------------------------------------------------------------------------
>
> Key: FLEX-34188
> URL: https://issues.apache.org/jira/browse/FLEX-34188
> Project: Apache Flex
> Issue Type: Bug
> Components: Focus Manager, Tooltip Manager
> Affects Versions: Apache Flex 4.11.0
> Reporter: Mihai Chira
> Labels: easytest
> Fix For: Apache Flex 4.13.0
>
> Attachments: FLEX-34188.patch, _ToolTipManager1009.fxp
>
>
> Steps to reproduce:
> 1. Run the attached AIR project
> 2. Move your mouse over one of the item renderers in the second row (and
> don't move it for a bit)
> Current behaviour: the RTE below.
> Expected behaviour: a tooltip should appear next to the renderer.
> NOTES:
> -this is most likely caused by FLEX-34187.
> -just like in FLEX-34187, we can reproduce this no matter to whom we give
> focus before removing the grid.
> -in our application this is causing many similar runtime errors when
> transitioning from complex views which contain DataGrids.
> -UIFTETextField (the default renderer) seems to be the only component left
> whose systemManager value depends on whether it's on stage or not. If the
> effects range beyond interfering with ToolTipManager, maybe we can make it
> implement a caching method similar to UIComponent?
> RTE:
> TypeError: Error #1009: Cannot access a property or method of a null object
> reference.
> at
> mx.managers::ToolTipManagerImpl/http://www.adobe.com/2006/flex/mx/internal::createTip()[/Users/justinmclean/Documents/ApacheFlex4.11.0/frameworks/projects/framework/src/mx/managers/ToolTipManagerImpl.as:947]
> at
> mx.managers::ToolTipManagerImpl/http://www.adobe.com/2006/flex/mx/internal::showTimer_timerHandler()[/Users/justinmclean/Documents/ApacheFlex4.11.0/frameworks/projects/framework/src/mx/managers/ToolTipManagerImpl.as:1634]
> at flash.utils::Timer/_timerDispatch()
> at flash.utils::Timer/tick()
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