@PostConstruct
private void init() {
try {
userTransaction.begin();
initData();
userTransaction.commit();
} catch (NotSupportedException e) {
e.printStackTrace();
} catch (SystemException e) {
e.printStackTrace();
} catch (HeuristicRollbackException e) {
e.printStackTrace();
} catch (javax.transaction.RollbackException e) {
e.printStackTrace();
} catch (HeuristicMixedException e) {
e.printStackTrace();
}
}
