169 | Attempt to begin a new transaction when a transaction is active.getTransaction().begin(); em.persist(r); em.getTransaction().commit(); System.out.println("Entity ... ._PersistenceException: Attempt to begin a new transaction when a transaction is active root cause com.objectdb.o._PersistenceException: Attempt to begin a new transaction when a transaction is active root cause |
98 | begin()Method javax.persistence.EntityTransaction void begin() Start a resource transaction. Throws: IllegalStateException - if isActive() is true Since: JPA 1.0 |
35 | objectdb-2.6.9_06: Extended Persistence Context fails: 'Attempt to begin a new transaction when a transaction is active'._PersistenceException: Attempt to begin a new transaction when a transaction is active at com.sun.ejb ... : Attempt to begin a new transaction when a transaction is active Again, this used not to happen ... ) //'com.objectdb.o.UserException: Attempt to begin a new transaction |
19 | Storing JPA Entity Objects", "Joseph", "Wurzelbacher"); em.getTransaction().begin(); em.persist(employee); em ... .setAddress(address); em.getTransaction().begin(); em.persist(employee); em.getTransaction ... can be used to save memory in large transactions: em.getTransaction().begin(); for (int i = 1; i |
17 | CRUD Database Operations with JPA code fragment stores 1,000 Point objects in the database: em.getTransaction().begin(); for (int ... of an active transaction: em.getTransaction().begin(); em.remove(p); // delete entity em ... .getTransaction().begin(); p.setX(p.getX() + 100); // update entity em.getTransaction().commit |
12 | Setting and Tuning of JPA Queries). The setFirstResult method is used to specify where the result window begins, i.e. how many results at the beginning of the complete result list should be skipped and ignored. The setMaxResults method |
9 | begin()Method javax.jdo.Transaction void begin() Begin a transaction. The type of transaction is determined by the setting of the Optimistic flag. Throws: JDOUserException - if transactions are managed by a container in the managed environment, or if the transaction is already active. Since: JDO 1.0 See Also: setOptimistic getOptimistic |
2 | [ODB1] Chapter 6 - Persistent Objects the following code: pm.currentTransaction().begin(); Person person = new Person("George", "Bush ... ); pm.currentTransaction().begin(); pm.makePersistent(person); pm.currentTransaction ... ().begin(); Person person = new Person("George", "Bush"); pm.makePersistent(person); Object oid = pm |
1 | [ODB1] Chapter 2 - A Quick Tour[] args) { 10 11 // Create or open a database and begin a transaction: 12 ... pm.currentTransaction().begin(); 15 16 // Obtain a persistent list: 17 ... .getPersistenceManager(); 29 30 try { 31 // Begin the transaction: 32 |
1 | [ODB1] Chapter 5 - JDO Connections.currentTransaction().begin(); // Operations that modify the database should come here. pm ... transactions. A transaction is started by a call to begin() and ended by a call to commit() or rollback ... .getPersistenceManager(); Transaction tr = pm.currentTransaction(); try { tr.begin |
