About ObjectDB

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Issue
8

Unexpected exception (Error 990) com.objectdb.o.InternalException

. [ObjectDB 2.6.0_04] Unexpected exception (Error 990) Generated by Java HotSpot(TM) 64-Bit Server VM 1.7.0_71 (on Windows 7 6.1). Please report this error on http://www.objectdb.com/database/issue/new com.objectdb.o.InternalException: java.lang.NullPointerException: null java.lang
Issue
8

ObjectDB-ObjectDB Replication

ObjectDB Replication will enable managing the same ObjectDB database using multiple ObjectDB nodes or servers. This could be useful for distributed applications (e.g. in cloud computing), for load balancing, for improving durability, for backup, etc. Master-Slave replication (clustering) is now implemented in ObjectDB 2.1. psartini
Forum
8

Dependency from enhanced classes to the objectDB library

) to the objectDB library. Our Business Objects are the JPA entities. We developed  our product domain driven ... and to the central DataAccess Layer. The Central DataAccess Layer has a dependency on JPA & ObjectDB ... the entities. java.lang.NoClassDefFoundError: com/objectdb/spi/TrackableUserType at java.lang.ClassLoader
Manual
8

Setting and Tuning of JPA Queries

ObjectDB the default is COMMIT (which is more efficient). The default mode can be changed by ... . Therefore, when performance is important, this issue has to be considered. Lock Mode (setLockMode) ObjectDB ... Hints ObjectDB supports the following query hints: "javax.persistence.query.timeout" - sets maximum
Manual
8

Locking in JPA

in ObjectDB (and in JPA) is always at the database object level, i.e. each database object is locked ... by another transaction. When using ObjectDB, optimistic locking is enabled by default and fully ... , are detected earlier. Optimistic Locking ObjectDB maintains a version number for every entity
Result
8

Activation completed successfully!

of the element in the ObjectDB configuration file (objectdb.conf): ... ObjectDB configuration file on multiple machines by specifying a sequence of elements, one per licensed machine. Any non matching activation code is quietly ignored by ObjectDB
Result
8

Consulting and Training [2015-06-02]

: consulting@objectdb.com Training Let the experts of JPA train your staff! We currently offer ... and EclipseLink and pure Object Oriented DBMS such as ObjectDB. ObjectDB for Professionals This course is aimed for companies working, or about to work, with ObjectDB, who wish to enhance and broaden
Result
8

Consulting and Training

: consulting@objectdb.com Training Let the experts of JPA train your staff! We currently offer ... and EclipseLink and pure Object Oriented DBMS such as ObjectDB. ObjectDB for Professionals This course is aimed for companies working, or about to work, with ObjectDB, who wish to enhance and broaden
Issue
8

stress test -> com.objectdb.o.InternalException: null

storage ObjectDB) each 50 milliseconds. An API call might have between 1-4 db calls ... ] with root cause [ObjectDB 2.5.5] Unexpected exception (Error 990) Generated by Java HotSpot(TM) Client VM 1.8.0_05 (on Windows 8.1 6.3). Please report this error on http://www.objectdb.com
Issue
8

[ObjectDB 2.6.9] Unexpected exception (Error 990)

[2017-03-29 14:04:44 #1 client] [ObjectDB 2.6.9] Unexpected exception (Error 990)   Generated by ... ://www.objectdb.com/database/issue/new com.objectdb.o.InternalException: null com.objectdb.o.InternalException at com.objectdb.o.BYR.o(BYR.java:113) at com.objectdb.o.BYR.w(BYR.java:206) at com.objectdb.o