public ListAccess<User> findUsersByGroupId(String groupId) throws Exception
{
if (log.isDebugEnabled())
log.debug("+++++++++++FIND USER BY GROUP_ID " + groupId);
PortalContainer manager = PortalContainer.getInstance();
OrganizationService service = (OrganizationService)manager.getComponentInstanceOfType(OrganizationService.class);
MembershipHandler membershipHandler = service.getMembershipHandler();
GroupHandler groupHandler = service.getGroupHandler();
Group group = groupHandler.findGroupById(groupId);
@SuppressWarnings("unchecked")
List<Membership> members = (List<Membership>)membershipHandler.findMembershipsByGroup(group);