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Optimistic lock failed : object has version .. instead of ..

I do basic storage and retrieval of Record class. When I stress the retrieval/storage with Apache JMeter sometimes (at some requests) I get this exception. [ObjectDB 2.5.0] javax.persistence.OptimisticLockException Optimistic lock failed for object entities.Record#'1405/838/2011/121' (object

How to deploy an Objectdb project with Jboss AS 7?

thread 1-2) JBoss Web Services - Stack CXF Server 4.0.2.GA 04:56:02,445 INFO [org.apache.coyote

JPA 2.0 Criteria API: (When) Fully supported ?

'" is supported: org.apache.openjpa.persistence.ArgumentException: The filter listener "matches" requires

What role is the JDO in ObjectDB?

.annotations.Index    // EclipseLink     @org.apache.openjpa.persistence.jdbc.Index    // OpenJPA

Opensource ObjectDB

I know you have answered this question some years ago, but I think about the databases that have recently "triumphed" like MySQL, MongoDB or SQLite and they are free databases. Also in the Java world we have the example of Hibernate (ORM) and Apache Hadoop (framework for Big Data). In my opinion

"No Persistence provider for EntityManager" in OSGI bundle.

Good Day. I seem to have gotten a bit stuck while developing an OSGI bundle with ObjectDB. Essentially it builds an OSGI bundle with an embedded instance of ObjectDB and then tries to deploy the bundle inside an application running an embedded OSGI server (Apache Felix). The STARTING phase

Field in Generic Class not persisted?

.Persistence; import javax.persistence.TypedQuery; import org.apache.commons.lang3.SerializationUtils

objectdb:2.8.4 - Error occurred during initialization of boot layer

.transaction.xa to module org.apache.commons.collections4 Harman Alexander Golyshkin It looks like a conflict

WeakRef Purge ObjectDb threads not stopping with Tomcat (in application container)

message from our tomcat server log – 11-Feb-2020 08:46:54.741 WARNING [http-nio-8080-exec-9] org.apache

Full Text Indexing and Query

, as provided by separate tools such as Apache Luncene. support Support This feature would be useful

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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