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Date: Mon, 2 Sep 2013 07:02:51 +0000 (UTC)
From: "Vitali Kabak (JIRA)" <jira@apache.org>
To: issues@flex.apache.org
Message-ID: <JIRA.12593926.1322669231000.67351.1378105371579@arcas>
In-Reply-To: <JIRA.12593926.1322669231000@arcas>
References: <JIRA.12593926.1322669231000@arcas>
Subject: [jira] [Commented] (FLEX-33052) Runtime error when using a chart in
 a module in an app that is also using charts
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    [ https://issues.apache.org/jira/browse/FLEX-33052?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13755934#comment-13755934 ] 

Vitali Kabak commented on FLEX-33052:
-------------------------------------

I also found a workaround for my application, but "workaround" approach is not always acceptable.
For example my "parent" app is a kind of dashboard, which loads other apps as children. These children are sometimes third-party apps (which met some simple requirements), but I can't put a requirement "If you use charts, please insert this block of code somewhere in your app..."

This is definitely a bug and I believe it should be fixed in Flex SDK.

If SDK (or compiler, since this happens in auto-generated code) has a good reason not to create duplicate styles in child app, then chart framework should be modified. As I mentioned before, only chart classes use result of styleManager.getStyleDeclaration without checking whether it null or not.
                
> Runtime error when using a chart in a module in an app that is also using charts
> --------------------------------------------------------------------------------
>
>                 Key: FLEX-33052
>                 URL: https://issues.apache.org/jira/browse/FLEX-33052
>             Project: Apache Flex
>          Issue Type: Bug
>          Components: Charts
>    Affects Versions: Adobe Flex SDK Previous
>         Environment: Affected OS(s): All OS Platforms
> Language Found: English
>            Reporter: Adobe JIRA
>            Assignee: Alex Harui
>         Attachments: chartsNoMerge.css
>
>
> This is a regression in 4.6. It doesn't matter if the modules are Spark or not. Works fine in 4.5.1 and below.
> See attached FB project.
> Steps to reproduce:
> 1. Create an app that uses a chart and create a module that also uses a chart.
>  
>  Actual Results:
>  
> TypeError: Error #1009: Cannot access a property or method of a null object reference.
> 	at mx.charts.chartClasses::ChartBase/initStyles()[E:\dev\4.y\frameworks\projects\charts\src\mx\charts\chartClasses\ChartBase.as:1862]
>  
>  Expected Results:
>  
> No error and chart loads fine.
>  
>  Workaround (if any):
>  
>  Copy chart styles from module's parent styleManager into the module's own styleManager.

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