if (group == null) {
group = new Disciplines();
group.setDisciplineId(groupId);
em.persist(group);
}
MctUsers user = new MctUsers();
user.setUserId(userId);
user.setDisciplineId(group);
em.persist(user);
ComponentSpec mysandboxComponentSpec = new ComponentSpec();
updateComponentSpec(mysandbox, mysandboxComponentSpec, em, true);
em.persist(mysandboxComponentSpec);