About ObjectDB

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Manual
16

Database Management Settings

="128mb" /> When enabled, a recovery file is created by ObjectDB when a database is opened and deleted by ObjectDB when the database is closed. The name of the recovery file is based on the name ... ObjectDB when a database is opened and a recovery file exists, indicating that it has not been closed
Manual
15

Database Connection using JPA

defines classes that implement these interfaces. When you use ObjectDB you work with instances of ObjectDB classes that implement these interfaces, and because standard JPA interfaces are used ... emf = Persistence.createEntityManagerFactory(     "objectdb://localhost:6136/myDbFile.odb
Manual
15

General Settings and Logging

The configuration element specifies ObjectDB settings that are relevant ... :   
Manual
14

Obtaining a JPA Database Connection

to manipulate an ObjectDB database we need an EntityManager instance. Operations that modify database ... to be able to generate an EntityManagerFactory. But when using ObjectDB you can either define a standard persistence unit in an XML file or you can simply provide the file path of the ObjectDB database
Forum
14

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

objectdb-2.6.9_02 (with "objectdb.temp.no-enhancement-crc-check" system property) The following ... there are now obsolete): - Issue #282 - ObjectDB-2.6.9: Failed to commit transaction: Failed to set numeric ... with ObjectDB that the others do not.   Some important remarks about the analysis, diagnostics, and the testing
Manual
13

Database Replication and Clustering

ObjectDB supports master-slave replication (cluster). When replication (or clustering) is used ... database. Setting a Master Database A master ObjectDB database is an ordinary database, which is managed on an ordinary ObjectDB database server. Any ObjectDB database on any server (but not in
Manual
13

JPA Entity Fields

of one of the supported persistable types. ObjectDB supports persistent fields with any declared ... while the other annotations above are required when applicable. ObjectDB, however, does not enforce using any ... is embeddable may optionally be marked with the @Embedded annotation, requiring ObjectDB to verify that the type
Manual
13

JPA Persistable Types

. ObjectDB supports all the JPA persistable types, which are: User defined classes - Entity classes ... constructor. cannot be final and cannot have final methods or final instance variables. ObjectDB ... most cases ObjectDB can overcome a missing no-arg constructor. Aside from these constraints
Manual
13

Server Configuration

The configuration element specifies settings for running an ObjectDB Server. The server ... :  
Issue
12

again merger missing logs + objectdb exception

... missing + an objectdb exception. Some objects in the system behave strange. This is a part of the log ... {2->merger[3309]-missing:1} [2017-09-29 06:18:10 #1225 *] [ObjectDB 2.7.1_01] Unexpected ... 6.3). Please report this error on http://www.objectdb.com/database/issue/new com.objectdb.o