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https://issues.apache.org/jira/browse/FLEX-16857?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Justin Mclean resolved FLEX-16857.
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Resolution: Fixed
Fix Version/s: Apache Flex 4.10.0
Checked into develop branch
> Value is not a function on null ArrayCollection Sort
> ----------------------------------------------------
>
> Key: FLEX-16857
> URL: https://issues.apache.org/jira/browse/FLEX-16857
> Project: Apache Flex
> Issue Type: Bug
> Components: mx: List
> Affects Versions: Adobe Flex SDK Previous
> Environment: Affected OS(s): All OS Platforms
> Language Found: English
> Reporter: Adobe JIRA
> Labels: easytest
> Fix For: Apache Flex 4.10.0
>
>
> Steps to reproduce:
> var a:ArrayCollection = new ArrayCollection([{a: 1}, {a: 2}]);
> var s:Sort = new Sort();
> var sf:SortField = new SortField();
> sf.name = "a";
> a.sort = s;
> a.refresh();
> a.sort = null;
> a.addItem({a: 3}); // blows up here
> Actual Results:
> TypeError: Error #1006: value is not a function.
> at
> mx.collections::ListCollectionView/getFilteredItemIndex()[E:\dev\3.1.0\frameworks\projects\framework\src\mx\collections\ListCollectionView.as:564]
> at
> mx.collections::ListCollectionView/addItemsToView()[E:\dev\3.1.0\frameworks\projects\framework\src\mx\collections\ListCollectionView.as:896]
> at
> mx.collections::ListCollectionView/listChangeHandler()[E:\dev\3.1.0\frameworks\projects\framework\src\mx\collections\ListCollectionView.as:1051]
> at flash.events::EventDispatcher/dispatchEventFunction()
> at flash.events::EventDispatcher/dispatchEvent()
> at
> mx.collections::ArrayList/internalDispatchEvent()[E:\dev\3.1.0\frameworks\projects\framework\src\mx\collections\ArrayList.as:510]
> at
> mx.collections::ArrayList/addItemAt()[E:\dev\3.1.0\frameworks\projects\framework\src\mx\collections\ArrayList.as:311]
> at
> mx.collections::ListCollectionView/addItemAt()[E:\dev\3.1.0\frameworks\projects\framework\src\mx\collections\ListCollectionView.as:501]
> at
> mx.collections::ListCollectionView/addItem()[E:\dev\3.1.0\frameworks\projects\framework\src\mx\collections\ListCollectionView.as:470]
>
>
> Expected Results:
>
> A new object added at the end of the collection source
>
> Workaround (if any):
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