Hi everyone, I just started using GWT a couple days ago, and currently 
trying to download an Excel file from a different domain onto the GWT 
servers and then parse it later on. I seen suggestions on doing it through 
Request builder and RPCs but so far haven't gotten any of them to work. 
Also I have read about the same origin policy and hence resorted to using 
JsonpRequestBuilder. However, I'm not too sure what I'm missing here, 
because I keep getting a Time out exception every time I try to access the 
file. Any guidance and help would be much appreciated :) Thanks.

Error:

SEVERE: com.google.gwt.jsonp.client.TimeoutException: Timeout while calling 
ftp://webftp.vancouver.ca/OpenData/xls/new_food_vendor_locations.xls

private final String url = 
"ftp://webftp.vancouver.ca/OpenData/xls/new_food_vendor_locations.xls";;

private Logger logger = Logger.getLogger("DataRequest.java");

public void retrieveFile() {
    JsonpRequestBuilder builder = new JsonpRequestBuilder();

    builder.requestObject(url,
            new AsyncCallback<ExcelFileJavascriptObject>() {

                @Override
                public void onFailure(Throwable caught) {
                    // TODO Auto-generated method stub
                    logger.severe(caught.getMessage());
                    logger.severe(caught.toString());
                }

                @Override
                public void onSuccess(ExcelFileJavascriptObject result) {
                    // TODO Auto-generated method stub
                    Window.alert(result.toString());
                }
            });
}

public void onModuleLoad() {
    retrieveFile();
}

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