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https://issues.apache.org/jira/browse/FLEX-27924?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Justin Mclean updated FLEX-27924:
---------------------------------
Labels: easytest (was: )
> Under specific conditions (detailed inside), mx:Text will hang or throw an
> exception
> ------------------------------------------------------------------------------------
>
> Key: FLEX-27924
> URL: https://issues.apache.org/jira/browse/FLEX-27924
> Project: Apache Flex
> Issue Type: Bug
> Components: mx: Text
> Affects Versions: Adobe Flex SDK 4.5.1 (Release)
> Environment: Affected OS(s): All OS Platforms
> Affected OS(s): All OS Platforms
> Browser: Other (specify version)
> Language Found: English
> Reporter: Adobe JIRA
> Labels: easytest
>
> Steps to reproduce:
> <?xml version="1.0" encoding="utf-8"?>
> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml";>
>
> <mx:HBox>
>
> <mx:VBox>
> <mx:Label text="test"/>
> </mx:VBox>
>
> <mx:VBox>
> <mx:Text>
> <mx:htmlText>
> <![CDATA[1
> 2
> 3
> 4
> 5
> 6
> 7
> 8
> 9]]
> >
> </mx:htmlText>
> </mx:Text>
> </mx:VBox>
> </mx:HBox>
>
> </mx:Application>
> In order to fail, you must build this with Flash Builder 4.5.1 (I did not
> test with earlier versions) and check the
> "Use Flash Text Engine in MX components" check box in the Flex Compiler
> options. If this option is not set (i.e., without FTE),
> the code above works fine.
> There must be two non-empty VBoxes (the order is not important) and the
> htmlText must display more than 8 lines.
> The same can be achieved by programmatically setting the htmlText to contain
> more than 8 lines, either
> with explicit newlines or with <br> tags. The contents of the lines is
> immaterial. 8 lines or fewer will not cause this bug.
> If the other VBox is empty, the bug will not manifest itself.
>
> Actual Results:
>
> This either hangs the browser (sometimes permanently, sometimes for a few
> minutes), or it throws a null pointer exception with
> this stack trace:
> at
> flashx.textLayout.compose::SimpleCompose/finalParcelAdjustment()[C:\Vellum\branches\v2\2.0\dev\output\openSource\textLayout\src\flashx\textLayout\compose\SimpleCompose.as:298]
> at
> flashx.textLayout.compose::BaseCompose/finishParcel()[C:\Vellum\branches\v2\2.0\dev\output\openSource\textLayout\src\flashx\textLayout\compose\BaseCompose.as:2078]
> at
> flashx.textLayout.compose::BaseCompose/parcelHasChanged()[C:\Vellum\branches\v2\2.0\dev\output\openSource\textLayout\src\flashx\textLayout\compose\BaseCompose.as:2247]
> at
> flashx.textLayout.compose::BaseCompose/advanceToNextParcel()[C:\Vellum\branches\v2\2.0\dev\output\openSource\textLayout\src\flashx\textLayout\compose\BaseCompose.as:2220]
> at
> flashx.textLayout.compose::BaseCompose/composeTextFlow()[C:\Vellum\branches\v2\2.0\dev\output\openSource\textLayout\src\flashx\textLayout\compose\BaseCompose.as:467]
> at
> flashx.textLayout.compose::SimpleCompose/composeTextFlow()[C:\Vellum\branches\v2\2.0\dev\output\openSource\textLayout\src\flashx\textLayout\compose\SimpleCompose.as:109]
> at
> TCMFactoryDisplayComposer/http://ns.adobe.com/textLayout/internal/2008::callTheComposer()[C:\Vellum\branches\v2\2.0\dev\output\openSource\textLayout\src\flashx\textLayout\container\TextContainerManager.as:2640]
> at
> flashx.textLayout.compose::StandardFlowComposer/internalCompose()[C:\Vellum\branches\v2\2.0\dev\output\openSource\textLayout\src\flashx\textLayout\compose\StandardFlowComposer.as:760]
> at
> flashx.textLayout.compose::StandardFlowComposer/compose()[C:\Vellum\branches\v2\2.0\dev\output\openSource\textLayout\src\flashx\textLayout\compose\StandardFlowComposer.as:824]
> at
> flashx.textLayout.factory::TextFlowTextLineFactory/createTextLinesInternal()[C:\Vellum\branches\v2\2.0\dev\output\openSource\textLayout\src\flashx\textLayout\factory\TextFlowTextLineFactory.as:140]
> at
> flashx.textLayout.factory::TextFlowTextLineFactory/createTextLines()[C:\Vellum\branches\v2\2.0\dev\output\openSource\textLayout\src\flashx\textLayout\factory\TextFlowTextLineFactory.as:104]
> at
> flashx.textLayout.container::TextContainerManager/compose()[C:\Vellum\branches\v2\2.0\dev\output\openSource\textLayout\src\flashx\textLayout\container\TextContainerManager.as:1306]
> at
> flashx.textLayout.container::TextContainerManager/updateContainer()[C:\Vellum\branches\v2\2.0\dev\output\openSource\textLayout\src\flashx\textLayout\container\TextContainerManager.as:1345]
> at
> HTMLHelper/composeHTMLText()[E:\dev\4.5.1\frameworks\projects\spark\src\mx\core\FTETextField.as:3683]
> at
> mx.core::FTETextField/validateNow()[E:\dev\4.5.1\frameworks\projects\spark\src\mx\core\FTETextField.as:2524]
> at mx.core::FTETextField/get
> textWidth()[E:\dev\4.5.1\frameworks\projects\spark\src\mx\core\FTETextField.as:1651]
> at
> mx.controls::Text/measureUsingWidth()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\controls\Text.as:493]
> at
> mx.controls::Text/measure()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\controls\Text.as:375]
> at
> mx.core::UIComponent/measureSizes()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\core\UIComponent.as:8496]
> at
> mx.core::UIComponent/validateSize()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\core\UIComponent.as:8420]
> at
> mx.managers::LayoutManager/validateSize()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\managers\LayoutManager.as:665]
> at
> mx.managers::LayoutManager/doPhasedInstantiation()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\managers\LayoutManager.as:792]
> at
> mx.managers::LayoutManager/doPhasedInstantiationCallback()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\managers\LayoutManager.as:1180]
> The last line that I can debug is line 112 of TextFlowTextLineFactory.as
> which contains:
> TextLineFactoryBase.endFactoryCompose(saved);
> The variable 'saved' is null at this point.
>
> Expected Results:
> A two column display with the string "test" in one column and a vertical
> sequence of numbers in the other.
>
> Workaround (if any):
>
> Using s:Application, s:VGroup, and s:HGroup instead of their mx equivalents
> eliminates (or hides) the problem.
>
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