About Object Database

101-110 of 200Refresh
Issue
17

Cannot insert more than about 2^20 objects

Hi I have a DB with 4 entities and a total of 4 index. Once I reach 1048565 total objects in the whole DB, i am unable to insert more object, although i get NO error message nor exceptions. Doctor said Db is fine (see below) I notice that 1048565 objects + 4 entities + 4 ID indexes + 4
Forum
17

Question: remove and recreate an object, do the references survive ?

We want to move unused objects to a second database. We want to copy the objects and delete them in the production database. If we then recreate the objects with the same primary key as ... of objects between the databases consistent We hope to release a version with this option next week
Forum
17

Open several objectdb databases the same time

We tried to open objectdb databases from application and got following error: Attempt to open a database file 'D:\tmp\PAT-707\TC_9_2_3_1_8b@2015-09-17_12.08.15\TC_9_2_3_1_8b@2015-09-17_12.08.15.pa3 ... ) Caused by: com.objectdb.o.UserException: Attempt to open a database file 'D:\tmp\PAT-707\TC_9_2_3_1_8b
Forum
17

ObjectDB's Database Doctor Incorrect Error Report

to the object and the existence of the object. There is indeed a problem with this database file ... Am I reading this correctly?  It seems that Doctor is telling me that one of my objects is missing.  Looking at the database with ObjectDB's Database Explorer though seems to show that the reference
Forum
17

Storing objects problem

I want to save this object to database: @Entity public class Device {     private String name ... for that children devices and they don't have their children devices. I'm new to this object database so I ... > children; } An object contains a list of other devices which are also type Device. My root device
Forum
17

object creation during pmf.getPersistenceManager()

Hi   We have observed that during pmf.getPersistenceManager(), objectdb is creating object ... that transaction we will create instances for all classes. The number of objects created during this invocation is really huge, that causes OutOfMemory during commit (memory for jvm 1,4GB). The object
Forum
17

can't get HashMap out of the database

I'm trying to persist an Entity containing a HashMap. It stores the data in the database OK, but the map is always empty when I get the entity out of the database again. I've reproduced this problem ... and it is still not working. It involves nested embeddable objects. I've modified the test code
Forum
17

How force always recreate database on redeployment.

Is there some easy way to force recreation/deletion of the current database on deployment of a web ... . Currently, to avoid multiple models in the database, I have to undeploy from Glassfish, stop the server, delete the database file, re-start the objectdb server, re-run the web app, which is tedious
Forum
17

Delete object from collection versus delete from JPQL

between memory and database objects. See these manual pages for more details: DELETE queries UPDATE ... relationship between the objects in memory and ObjectDB.  I know I can modify the objects and use persist() to write them to the database.  But does running a JPQL update or delete alter the in-memory
Forum
17

Refresh data in application after database data has changed

Hi, I have a Java program that can manage and create some Person objects. When I start my application and I want to add a person with the same national number as a person already in the database, my program has to block the creation. So far so good. Now... I have a person in my database