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ObjectDB is opening too many sockets

started ObjectDB Server it did not opened single one. The results written bellow are steps done on 1 ... the size of the connection pool (the default in ObjectDB is currently 50), by using the JDO method ... (the default in ObjectDB is currently 50), by using the JDO method setMaxPool How can I

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

setup: - The diagnostics here have been recorded carefully at every step, including Git tracking ... .console.Main.main(Main.java:274) Caused by: javax.persistence.PersistenceException: com.objectdb.o ... more Caused by: com.objectdb.o.UserException: Failed to locate set method for field property com.greensoft

Persist & remove in same transaction

the number of simple entity objects in the database Retrieve the simple entity object using find by id ... the number of simple entity objects in the database Commit the transaction The count operations in step 3 & 6 both return 1 but I would've expected step 6 to return 0. Could you let me know if this is a bug

Locking in JPA

update collisions resulting from simultaneous updates to the same data by two concurrent users. Locking ... by another transaction. When using ObjectDB, optimistic locking is enabled by default and fully ... is automatically increased by one. Version numbers are managed internally but can be exposed by defining a version

JPA / JDO Class Enhancer

ObjectDB Enhancer is a post compilation tool that improves performance by modifying the byte code ... (and actually required by JPA but not enforced by ObjectDB) to avoid accessing persistent fields ... . by using the get and set methods). If you follow this practice only user defined persistable classes

JPA Persistable Types

are represented in queries by entity names. By default, the entity name is the unqualified name ... can be set explicitly by using the name attribute of the Entity annotation: @Entity(name="MyName") public ... superclasses are treated by ObjectDB as ordinary entity classes. Mapped superclasses are really

Eclipse Public License - v 1.0

additions to the Program originate from and are distributed by that particular Contributor. A Contribution 'originates' from a Contributor if it was added to the Program by such Contributor itself or ... entity that distributes the Program. "Licensed Patents" mean patent claims licensable by

Once served to JSF page via @EJB query bean, many list fields are null (but same query ok after fresh persist in @PostConstruct)

showing the query result in indexTest.xhtml. The problems is illustrated by running the attached JavaEE ... either empty or populated are served as null (!). The query is performed by an @EJB: @Stateless public class ... this fixed and to having a robust ObjectDB working on my problem, as I am greatly encouraged by

Server out of memory exceptions

] Database 'F:\calculationservice\objectdb\db-files\WorkflowHistory.odb' is closed by 14140@SE101924 [2011-07-30 19:54:36 #23 server] [ObjectDB 2.2.8] Unexpected exception (Error 990) Generated by ... :39:59 #18 server] [ObjectDB 2.2.8] Unexpected exception (Error 990) Generated by Java HotSpot(TM

ObjectDB Object Database Features

Databases are also supported by ObjectDB. The combination of Object Database features ... only by operating system resources). Unlimited CPUs and cores. Reliability and Stability Recovery from failure by using a recovery file and double writing. Additional recovery layer - supports

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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