Hi all! I'm trying to do perform web app with php on server side and
gwt-ext on client.

I have this code:

        HttpProxy dataProxy = new HttpProxy("http://localhost/quienes/
query.php");

        final RecordDef recordDef = new RecordDef(new FieldDef[]{
                new StringFieldDef("abbr", "abbr")
        });
        JsonReader reader = new JsonReader(recordDef);
        reader.setRoot("data");
        reader.setTotalProperty("totalCount");

        final Store store = new Store(dataProxy, reader, true);
        store.load();

and this final call to load() makes this error

"com.google.gwt.core.client.JavaScriptException: (String): Permission
denied to call method XMLHttpRequest.open"

i've searching and reading without success.... because all refer to a
javascript configuration on ff browser. But i didn't find out how to
enable that permission.

I'm using gwt 1.7.1 with eclipse and firefox 3

query.php returns a json string value by making a select to db. Do you
know any other better way to solve this???

I would be really glad if someone can help me...thanks for advance!!!

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