Exception Description: The primary key read from the row [DatabaseRecord(
	INTOX.INTOX => null
	INTOX.ID => null
	INTOX.ID_SLUCH => null
	INTOX.ID_USL => null
	INTOX.ID_PAK => null)] during the execution of the query was detected to be null.  Primary keys must not contain null.
Query: ReportQuery(referenceClass=Schet sql="SELECT t0..[много_полей], t1..[много_полей], t2..[много_полей], t3.[много_полей] FROM SCHET t0 LEFT OUTER JOIN SLUCH t1 ON (t1.ID_PAK = t0.ID_PAK) LEFT OUTER JOIN USL t2 ON ((t2.ID_PAK = t1.ID_PAK) AND (t2.ID_SLUCH = t1.ID_SLUCH)) LEFT OUTER JOIN INTOX t3 ON ((t3.ID_PAK = t2.ID_PAK) AND ((t3.ID_USL = t2.ID_USL) AND (t3.ID_SLUCH = t2.ID_SLUCH))) LEFT OUTER JOIN EXPERT t4 ON ((t4.ID_PAK = t2.ID_PAK) AND ((t4.ID_USL = t2.ID_USL) AND (t4.ID_SLUCH = t2.ID_SLUCH)))")

            try {
                CriteriaBuilder criteriaBuilder = em.getCriteriaBuilder();
                CriteriaQuery<Object> criteriaQuery = criteriaBuilder.createQuery();
                Root<Schet> schet = criteriaQuery.from(Schet.class);
                Join sluch = schet.join("sluchCollection", JoinType.LEFT);
                Join usl = sluch.join("uslCollection", JoinType.LEFT);
                Join intox = usl.join("intoxCollection", JoinType.LEFT);
                Join expert = usl.join("expertCollection", JoinType.LEFT);
                CriteriaQuery<Object> select = criteriaQuery.multiselect(schet, sluch, usl, intox);

                TypedQuery<Object> typedQuery = em.createQuery(select);
                Object some_ret = typedQuery.getResultList();

                String gg = "";

            } catch (Exception e) {
                String er = e.getMessage();
                String gh = "";
            }

            try {
                String query_string = "SELECT schet,sluch,usl,intox FROM Schet schet"
                        + " LEFT OUTER JOIN schet.sluchCollection sluch"
                        + " LEFT OUTER JOIN sluch.uslCollection usl"
                        + " LEFT OUTER JOIN usl.intoxCollection intox";
                Query q = em.createQuery(query_string);
                List<Object[]> resList = q.getResultList();
                String gg = "";
            } catch (Exception e) {
                String er = e.getMessage();
                String gh = "";
            }