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Manual
9

JPA Persistence Unit

is optional when using ObjectDB, but required by JPA. persistence.xml Persistence units are defined in ... ="my-pu"> My Persistence Unit com.objectdb.jpa.Provider ... >
Tutorial
9

Step 1: Create a Maven Web Project

project. To add dependency on the Spring MVC Framework and ObjectDB and to automatically download ... .0.0 com.objectdb.tutorial.spring Guestbook ... >      objectdb    ObjectDB Repository
Issue
9

[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
Forum
9

ObjectDB Enhancer Tool in Java 9

be addressed by a Java 9 compatible ObjectDB future release, but while waiting for that release, perhaps you could give some advice for my current issues. Firstly, I created my own ObjectDB module.  I try to run com.objectdb.Enhancer from that module, but ObjectDB gives the error below.  My guess
Forum
9

Internal exception in objectdb-2.4.4_17.jar

by: com.objectdb.o.InternalException at com.objectdb.o.BYR.s(BYR.java:113) at com.objectdb.o.BYR.A(BYR.java:206) at com.objectdb.o.STT.m(STT.java:111) at com.objectdb.o.TYR.readStringValue(TYR ... ) at com.objectdb.o.MMM.ag(MMM.java:1059) at com.objectdb.o.UTY.aJ(UTY.java:1382) at com.objectdb.o.UTY
Forum
9

Failure after ObjectDB 2.4.5_07 upgrade from 2.4.4_06

by: com.objectdb.o.InternalException at com.objectdb.o.BYR.s(BYR.java:113) at com.objectdb.o.BYR.A(BYR.java:206) at com.objectdb.o.SIT.m(SIT.java:108) at com.objectdb.o.TYR.readSInt32Value(TYR ... .objectdb.o.MMM.ag(MMM.java:1059) at com.objectdb.o.UTY.aI(UTY.java:1382) at com.objectdb.o.UTY
Result
9

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
9

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
Manual
9

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
Manual
9

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