About ObjectDB

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Tutorial
13

Step 1: Create a Maven Web Project

Name (e.g. Guestbook) and select Java EE 5. Enter Maven Group Id (e.g. com.objectdb.tutorial.spring ... under Project Files in the [Project] window: To add dependency on the Spring MVC Framework and ObjectDB ... "> 4.0.0 com.objectdb.tutorial.spring Guestbook
Result
13

Company

ObjectDB Software develops, markets and supports the ObjectDB Object-Oriented Database Management System (ODBMS). ObjectDB Software is the market leader in providing a very high performance ... ) standards, since ObjectDB is the first object oriented database with built in support of JPA and JDO
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
Manual
12

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
12

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
Manual
12

Database Explorer

ObjectDB Database Explorer is a visual GUI tool for managing ObjectDB databases. It can be used to view data in ObjectDB databases, execute JPQL and JDOQL queries and edit the content of databases. Running the Explorer The ObjectDB Explorer is contained in the explorer.jar executable jar file
Forum
12

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
Issue
11

java.lang.ClassCastException: com.objectdb.o.SCU cannot be cast to com.objectdb.o.PRU

.objectdb.o.SCU cannot be cast to com.objectdb.o.PRU at com.objectdb.o.PPW.an(PPW.java:74) at com.objectdb.o.PGW.aj(PGW.java:220) at com.objectdb.o.UPT.C(UPT.java:134) at com.objectdb.o.URT.l(URT.java:171) at com.objectdb.o.TSK.i(TSK.java:145) at com.objectdb.o.TSK.f(TSK.java:95) at com.objectdb.o.TSM.e
Manual
11

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
Result
11

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