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AIR Bugs and Performance Issues

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SecurityError: fileWriteResource

Feb 26, 2009 1:24 PM

Hello all, I'm having a little difficulty reading, then writing to a XML file in the applicationDirectory. I can read from it fine, parse the results, close the stream. However, when it comes time to write to the file, I get this error thrown:

SecurityError: fileWriteResource
at runtime::SecurityManager$/checkPrivilegeForCaller()
at flash.filestream::FileStream/open()
... (the rest is my stuff)

12625 Views 10 Replies Latest reply: Derils, Sep 6, 2011 3:48 AM

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1. Damon Edwards,

Feb 26, 2009 2:02 PM in reply to Damon Edwards

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ahh, the application directory is read only. so, i'm assuming that goes for any child directories as well? The file I'm trying to read-write to is a file I've included in the packaging of the application. It's not in the same directory as the application, but one folder down, in a folder call "security". I must be assuming correctly that these are read only as well, and that I should be using applicationStorageDirectory instead?

That'll work, but sucks because being able to include a default file saves time coding since I don't have to write the logic to check if it exists first, then create if doesn't, and so on.

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2. tzeng,

Feb 26, 2009 2:30 PM in reply to Damon Edwards

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You should not write the application directory.

-ted

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3. Damon Edwards,

Feb 26, 2009 2:41 PM in reply to Damon Edwards

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As I expected. Thanks Ted.

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4. ,

Mar 3, 2009 11:32 AM in reply to Damon Edwards

I am trying to do the same thing. I see now that is it read-only. However, when an AIR application is uninstalled the applicationStorageDirectory is not cleared or removed. I am trying to create a screen that thanks the user upon install, meaning when the app is uninstalled I would need to clear out the memory of it ever being installed. The applicationDirectory is removed, but it isn't writable. HMM, any suggestions guys?

Thanks!

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5. Andreiut,

Jul 3, 2009 12:17 AM in reply to Damon Edwards

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The solution is to use a line like
myFile = new File(pathAsString);
so use the File(path) constructor. Then you will be able to write files in the application directory. Solution found at http://exaflood.de/syrotech/air-securityerror-filewriteresource/.

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6. losing,

Aug 16, 2010 8:03 PM in reply to Andreiut

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This does not seem to be working in AIR 2. Can anyone else confirm this?

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May 4, 2010

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7. Chris Campbell,

Aug 18, 2010 11:54 AM in reply to losing

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Hi losing,
Is it possible to get some sample code describing the problem you're running into? What platforms are you having issues with?

Moved discussion to the Problems and bugs forum.

Thanks,
Chris

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8. yurtasmail,

Feb 21, 2011 3:55 AM in reply to Andreiut

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Thanks.

It works fine.

Quim

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9. sobeit735,

May 30, 2011 4:19 PM in reply to tzeng

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...

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10. Derils,

Sep 6, 2011 3:48 AM in reply to Damon Edwards

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Hi, this is how I solved/hacked the problem.

var filePath:String = "app:/" + FileNames.DATA_COMMENTS_DIR + "/" + fileName;

var appDirFile:File = new File(filePath);
var xmlFile:File = new File(appDirFile.nativePath);

var fileStream:FileStream = new FileStream();
fileStream.open(xmlFile, FileMode.WRITE);
fileStream.writeUTFBytes(newXMLStr);
fileStream.close();

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