// we set the URL in the AvatarConfigInfo to null, that should do
// the trick. (Note that since we manually obtained the
// AvatarLoaderFactorySPI, we don't need to update the factory
// class name in the AvatarConfigInfo object, but we do anyway).
String defaultClassName = factory.getClass().getName();
AvatarConfigInfo defaultInfo =
new AvatarConfigInfo(null, defaultClassName);
// Go ahead and load the default avatar
ret = factory.getAvatarLoader().getAvatarCharacter(cell, username,
defaultInfo);
}