104 | Server connection management and manager closed at the end of each action. Is there anything further which needs to be done in |
104 | Internal objectdb error when open a database or open an entity managerwe get following exception when we open a database or open an entity manager Exception in thread "ODB IndexActivation" [ObjectDB 2.6.6_06] Unexpected exception (Error 990) Generated by Java HotSpot(TM) 64-Bit Server VM 1.8.0_51 (on Windows 7 6.1). Please report this error on http://www |
104 | NPE when getting Persistence managerHi, on 1 of our databases we get this exception upon trying to get the Persistence Manager. We use there ODB version 2.8.3.b05 in embedded mode. java.lang.NullPointerException: Cannot invoke "com.objectdb.o.MMM.y()" because "<local13>" is null at com.objectdb.o.TYS.f(TYS.java:750 |
104 | Cascading merge() leading to "Attempt to persist a reference to a non managed instance" error.UserException: Attempt to persist a reference to a non managed ObjectDbCascadingMergeTest$Parent |
104 | Managing software release cycles.How do you manage software release cycles with objectDB? For example we might have different installation of a given web application, and we might need to introduce new fields with default values or to change something in the database "structure". How can we apply the update script |
104 | Is ObjectDB suitable for DMS (Document Management System)?Is ObjectDB suitable for DMS (Document Management System) like application that requires to store attachments in database? I specificaly mean the ability to store and handle file attachments(MS Office, OpenOffice files, PDF files etc.) properly. Are there any limits on database size or attachment |
101 | ObjectDB Project ManagementObjectDB Project Management |
20 | OutOfMemoryError, if close the entity managerHello, why this error occurs during close the entity manager? Caused by: java.lang.OutOfMemoryError: Java heap space at com.objectdb.o.PageCacheFile.m(PageCacheFile.java:173) ~[na:na] at com.objectdb.o.PAG.N(PAG.java:498) ~[na:na] at com.objectdb.o.PAG.y(PAG.java:282) ~[na:na] at com.objectdb |
20 | SELECT clause (JPQL / Criteria API)The ability to retrieve managed entity objects is a major advantage of JPQL. For example, the following query returns Country objects that become managed by the EntityManager em: TypedQuery ... > results = query.getResultList(); Because the results are managed entity objects they have all the support |
20 | Error during closing an entity managerError during closing an entity manager |
