}
if(!StringUtils.isEmpty(getTrackbackUrl())) {
RollerMessages results = null;
try {
Trackback trackback = new Trackback(getEntry(), getTrackbackUrl());
results = trackback.send();
} catch(TrackbackNotAllowedException ex) {
addError("error.trackbackNotAllowed");
} catch(Throwable t) {
log.error("Error sending trackback", t);
// TODO: error handling