About ObjectDB

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Manual
14

Online Backup

An ObjectDB database can be backed up by simply copying or archiving the database file while the database is offline (i.e. when it is not open in an ObjectDB server and not in use by any application), since an ObjectDB database is stored as an ordinary file in the file system.  ObjectDB 2.1
Manual
12

Database Transaction Replayer

ObjectDB can record its internal engine operations in special binary recording (journal) files. Recording is enabled by default and can be disabled in the configuration. The ObjectDB Replayer tool ... & Recording Files When recording is enabled, ObjectDB maintains for every database file a recording
Manual
12

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
Forum
12

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
12

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 ... = Persistence.createEntityManagerFactory(     "objectdb://localhost:6136/myDbFile.odb", properties
Manual
11

General Settings and Logging

The configuration element specifies ObjectDB settings that are relevant ... :   
Issue
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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
Manual
10

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
10

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
Forum
10

com.objectdb.o.NLV cannot be cast to com.objectdb.o.CMV

We are using ObjectDB 2.5.1_04. The following JPQL query causes an internal exception: SELECT ... '\')) The exception: Caused by: java.lang.IllegalStateException: com.objectdb.o.InternalException: Unexpected ... more                                                                                           Caused by: com.objectdb.o.InternalException