 2 | ").getSingleResult(); e.increaseValue(); e = (MyEntity)em.createQuery("select m from MyEntity m").getSingleResult(); em.remove(e); em.getTransaction().commit |
2 | -server protocol prefix (error 523)
at com.objectdb.jpa.JpaQuery.getSingleResult(JpaQuery ... )
at com.objectdb.jpa.JpaQuery.getSingleResult(JpaQuery.java:716)
... 27 more I |
2 | )
at com.objectdb.jpa.JpaQuery.getSingleResult(JpaQuery.java:754)
at tutorial.Main.main(Main ... .getSingleResult(JpaQuery.java:747)
... 1 more As the error message indicates you have two different |
2 | )
at com.objectdb.o.OBC.onObjectDBError(OBC.java:1485)
at com.objectdb.jpa.JpaQuery.getSingleResult ... .jpa.JpaQuery.getSingleResult(JpaQuery.java:695) any idea??? Alex Even this simple code causes |
2 | Point p");
System.out.println("Total Points: " + q1. getSingleResult());
// 2
Query q2 ... . getSingleResult());
// 3 get all points
TypedQuery query =
em.createQuery("SELECT p FROM |
2 | .objectdb.o.QRR.f(QRR.java:153)
at com.objectdb.jpa.JpaQuery.getSingleResult(JpaQuery.java:750)
at com.querydsl.jpa.impl.AbstractJPAQuery.getSingleResult(AbstractJPAQuery.java:183)
at com.querydsl.jpa |
1 | :
boolean isActivated =
em.createQuery("objectdb activation", boolean.class).getSingleResult(); Perfect! Thank you. CK1000 zmirc |
1 | .createQuery("SELECT e FROM Child e", Child.class).getSingleResult(); because Main.CHILD_ID |
1 | )
at com.objectdb.jpa.JpaQuery.getSingleResult(JpaQuery.java:654)
at rbccm.felix.objectdb.messaging |
1 | I try to create a factory that creates new objects just in case it doesn't find the relevant one in the DB. but because query.getSingleResult() fires NoResultException in that case it marks the transaction as one that need to be rolled back. I understood that I can overcome it in several ways |