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From "Alex Harui (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLEX-33987) FocusManager NPE
Date Wed, 11 Dec 2013 17:23:19 GMT

    [ https://issues.apache.org/jira/browse/FLEX-33987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13845550#comment-13845550
] 

Alex Harui commented on FLEX-33987:
-----------------------------------

Interesting.  Looks like an issue with DataGridEditors.  Do the other stack traces all mention
DataGrid?  Are you using custom editors?  It may have to do with the way you've set up focus-related
properties in a custom editor.

> FocusManager NPE
> ----------------
>
>                 Key: FLEX-33987
>                 URL: https://issues.apache.org/jira/browse/FLEX-33987
>             Project: Apache Flex
>          Issue Type: Bug
>    Affects Versions: Adobe Flex SDK 4.5.1 (Release), Apache Flex 4.11.0
>            Reporter: Alexander Mazuruk
>            Priority: Critical
>
> FocusManager Null pointer exception occurs.
> This:
>     public function getNextFocusManagerComponent(
>                             backward:Boolean = false):IFocusManagerComponent
> 	{
> 		return getNextFocusManagerComponent2(backward, fauxFocus).displayObject as IFocusManagerComponent;
> 	}
> Must be rewritten as:
> public function getNextFocusManagerComponent(
>                             backward:Boolean = false):IFocusManagerComponent
> 	{
>         const focusInfo:FocusInfo = getNextFocusManagerComponent2(backward, fauxFocus);
>         return focusInfo ? focusInfo.displayObject as IFocusManagerComponent : null;
> 	}



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