Shaselai,
There should be no "racing" condition, the only thing I can guess is
that you're trying to use the result from the server call in your code
to initialize the page. The data from a server RPC call is highly
unlikely to be available a that time. The correct method is for the
asynchronous callback to fill in the previously created listbox, which
ensures that there is no race. For example:
public class MyPage extends Composite {
ListBox lbox;
public MyPage() {
lbox = new ListBox();
//add listbox to page
rpcservice.getListBoxItems(args, lboxCb);
...
}
AsyncCallback<List<String>> lboxCb = new
AsyncCallback<List<String>>() {
public void onSuccess(List<String> result) {
lbox.clear();
for (String item : result) {lbox.addItem(item);}
}
public void onFailure(Exception ex) {}
};
}
Remember, GWT builds everything dynamically, so there is no real
"refresh" concept like you mention.
jk
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