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objectdb-2.6.9_02 (with "objectdb.temp.no-enhancement-crc-check") vs. generic classes with interfaces: detailed investigation

there are now obsolete): - Issue #1924 - ObjectDB-2.6.9: Failed to commit transaction: Failed to set numeric ... .RollbackException Failed to commit transaction: Failed to locate set method for field property com.greensoft ... .commit(EMImpl.java:290) at com.greensoft.objectdb.test.console.Main.createProject(Main.java:129

Merge Issue: Attempt to reuse an existing primary key value

("child1"));         em.merge(e1);         em.getTransaction().commit();         em.clear ... (e2);         em.getTransaction().commit();         em.clear();         em.close ... managed B instance         em.getTransaction().commit();         a = em.createQuery

Soft Reference Object Cache Recommendation

to write updates to the database (until commit). Your test (at #9 above) does not show strong references from ObjectDB to your Data instances after committing a transaction. Note that we got much smaller ... instances in the Java VisualVM heap dump after commit, clicking right and selecting "Show nearest GC

Date field Index is corrupted due to time change

) to the DB [ObjectDB 2.5.5_14] javax.persistence.RollbackException Failed to commit transaction: (error 613) at com.objectdb.jpa.EMImpl.commit(EMImpl.java:302) at com.arunta.base.db.RecordingMetaDataDAO ... .commit(EMImpl.java:299) ... 17 more It will be beneficial to us to know if time change, in


is invoked, or the EntityExistsException or another PersistenceException may be thrown at flush or commit


at flush or commit time.) IllegalArgumentException - if the instance is not an entity


at commit time. The current transaction, if one is active, will be not be marked for rollback


. This exception may be thrown as part of an API call, a flush or at commit time. The current transaction


Method javax.jdo.Transaction boolean getRetainValues() If true, at commit time instances retain their field values. Returns: the value of the retainValues property Since: JDO 1.0


-uncommitted javax.jdo.option.TransactionIsolationLevel.read-committed javax.jdo.option

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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