Very unusual problem with DataProvider

Hi everyone
I followed this tutorial
http://developers.sun.com/jscreator/learning/tutorials/2/inserts_updates_deletes.html
to create a somewhat similar page, using a MySQL data source.
Everything worked fine, until I tested the application with Hebrew and Russian text. It stores the text in the database as question marks ("hello" becomes "?????").
First I made sure the MySQL db accepts the strings, and from the console I could insert and select text in both languages just fine. All tables were defined with utf8 charset.
Next I tried to read hebrew text from the db thru the application, and I got weird characters.
I looked for every locale/lang/language/encoding property I could find and they were all set to UTF-8.
Anyone knows how can I fix this or where should I start looking?

Update: When I right-click my table in the Servers view, select "view data" and get to the Query window it also displays hebrew and russian text incorrectly.
So maybe there's something that needs to be configured in the MySQL driver?
Any suggestions/thoughts very appreciated.

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