m_IOThread = new Thread() {
public void run() {
try {
m_Log.statusMessage("Reading from URL...");
AbstractFileLoader loader = ConverterUtils.getURLLoaderForFile(u.toString());
if (loader == null)
throw new Exception("No suitable URLSourcedLoader found for URL!\n" + u);
((URLSourcedLoader) loader).setURL(u.toString());
setInstances(loader.getDataSet());
} catch (Exception ex) {
ex.printStackTrace();
m_Log.statusMessage("Problem reading " + u);
JOptionPane.showMessageDialog(PreprocessPanel.this,
"Couldn't read from URL:\n"