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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

can't get HashMap out of the database

" nested object in the same test case is not returned, even though it gets stored in 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

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

ObjectDB 2.6.9_06 (embedded): Cascading merge resulting in duplicate objects

this class. If I load a NaturalPerson entity from the database, then add a new address to the object's "addresses" list and use EntityManager.merge(object) to persist it along with the new address ... This issue maybe related to issue #110 (http://www.objectdb.com/database/issue/110

object creation during pmf.getPersistenceManager()

Hi We have observed that during pmf.getPersistenceManager(), objectdb is creating object instances ... 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

Delete object from collection versus delete from JPQL

the synchronization between memory and database objects. See these manual pages for more details: DELETE ... 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

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

EntityManagerFactory objects being locked during EntityManager creation

objects are being locked during EntityManager object creation. Please refer the below stacktrace ... .cap.consumerframework.database.ReprintCacheDatabase.createDao(ReprintCacheDatabase.java:60) "https ... .database.ReprintCacheDatabase.createDao(ReprintCacheDatabase.java:60) at com.adheris.cap

Database size is much larger than expected (x2)

images. The database size should be larger than the size of the image files on the file ... >>The database size should be larger than the size of the image files on the file system, but more than 100 ...     } } The result database size is about 3GB as expected. support Support Another thing to check in your code

Sort of very large objects - out of memory

the following actions: 1) Create 5 persist threads which create and persist a large object in a loop 100 times each 2) Create 5 get threads which read 100 objects each in a loop based on object ... of "live" data in play at any time. The objectdb cache settings are low in the config - database

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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