Using FileUpload component in Internationalized application (Bug?)

Good part of a day, community.
Is there bug in the component?
Page Encoding is UTF-8
Locale Encoding is Windows-1251
Browser is Mozilla FireFox 1.5.0.7
If I have page without FileUpload component everything works ok.
But when I place on page FileUpload component character encoding become corrupted.
I have made test page.
Place on page TextArea, FileUpload, button components.
Enter into TextArea any text in locale encoding different from English. I have used Cyrilic Windows-1251
Push the button and you will see text in text will be corrupted.
Delete FileUpload component. Everything will be ok
Does anybody deal with tis issue?

I believe this is bug: 6453360. It has been fixed but only in Netbeans Visual Web Pack version. This fix has not been backported yet.
Lark

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