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Editorial Team
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Asked: 2026-06-01T09:05:31+00:00

Starting with a blank project, when I load a SWF which has a dependence

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Starting with a blank project, when I load a SWF which has a dependence on ISomeInterface defined in a swc which is compiled into my blank project

var lc:LoaderContext = new LoaderContext( true, ApplicationDomain.currentDomain );
var loader:Loader = new Loader();                       
loader.load( new URLRequest( "Some.swf"), lc );

Not too surpisingly all is good as the interface it requires is already in the application domain into which it has been loaded.

However, when I load the same file from a remote url

loader.load( new URLRequest( "http://127.0.0.1/Some.swf"), lc );

I get the evil 

[Fault] exception, information=VerifyError: Error #1014: Class ISomeInterface could 
not be found

What am I missing that makes these different?

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1 Answer

  1. Editorial Team

    My issue appears to have been 2 fold

    1) When loading the asset locally, it will by default be loaded into the correct security domain. However, when loading from a web site, I need ensure that I set the security domain correctly

    new LoaderContext( true, ApplicationDomain.currentDomain, SecurityDomain.currentDomain )

    2) However, you can only use the SecurityDomain when the swf you are doing the loading from was actually itself loaded remotely : 

    Security.sandboxType == Security.REMOTE

    So no mix mode of local and remote.
    In the end it was a matter of simply loading the first SWF from a website, and adding the correct SecurityDomain.

    In my searching, this was the best discorse I found on the topic of Security Domains and Applciation Domains http://www.senocular.com/flash/tutorials/contentdomains/

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