} catch (InvalidIdException e) {
LOG.warning("Invalid id in open", e);
controller.setFailed(e.getMessage());
return;
}
IdFilter waveletIdFilter =
IdFilter.of(Collections.<WaveletId>emptySet(), request.getWaveletIdPrefixList());
ParticipantId loggedInUser = asBoxController(controller).getLoggedInUser();
frontend.openRequest(loggedInUser, waveId, waveletIdFilter, request.getKnownWaveletList(),
new ClientFrontend.OpenListener() {