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78

NegativeArraySizeException on commiting a transaction

Hi, we started to get a java.lang.NegativeArraySizeException from ObjectDB upon changing an object in the DB and committing the transaction. I tried to repair the DB file with Database Doctor ... and since then my changing transactions are working fine on that original object which was failing
77

Querys without Transaction

Hello, are querys faster, if we use the entity manager without transaction, since we need only read-only entities. btc_es BTC EmbeddedSystems There is no much difference, but report queries, i.e. queries that return simple value fields rather than entity objects are more efficient as they eliminate
77

Query problem after transaction commit

I have a machine running the objectdb server and the client on another machine connect to it. The client program can connect to the server and query to get all the records. However, after transaction.begin ... persist(p) .. commit of a new object, my client program can no longer retrieve the old
77

CM Transaction Implementation

Hi All, How to implement Container Managed Transaction using Glassfish / Weblogic server. Please provide us the step by step instruction, how ti achieve it umesh umesh Please check the following tutorial: http://www.objectdb.com/tutorial/jpa/ee support Support
77

Failed to commit transaction: Java heap space (error 613)

.RollbackException Failed to commit transaction: Java heap space (error 613) We are using ObjectDB 2.4.6_10
77

Failed to commit transaction: Attempt to reuse an existing primary key value (613)

.RollbackException Failed to commit transaction: Attempt to reuse an existing primary key value (domain
77

Max transaction size

What’s the max transaction size, or how is it determined? Trianglehead Json Error The main limit is the available memory in the JVM. There is no hard limit. support Support
77

com.objectdb.o._RollbackException: Failed to commit transaction

Check the Exception below: (occurs sometimes, ObjectDB 2.3.6_14) com.objectdb.o._RollbackException: Failed to commit transaction: at com.objectdb.o.JPE.g(JPE.java:89) ~[JPE.class:na] at com.objectdb.o.ERR.f(ERR.java:59) ~[ERR.class:na] at com.objectdb.o.OBC
15

ObjectDB-2.6.9: Failed to commit transaction: Failed to set numeric value of field property Element.id using reflection

The following error is reported for objectdb-2.6.9.jar: Failed to commit transaction: Failed to set numeric value of field property com.greensoft.objectdb.test.entity.Element.id using reflection ... .9] javax.persistence.RollbackException Failed to commit transaction: Failed to set numeric value
14

Database Explorer

the Edit > Move Element commands. Saving Changes The Explorer manages an active transaction for every open database file. All the editing operations are associated with the active transaction. The File > Save menu command commits the transaction (applying all the changes to the database). The File

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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