Fast Object Database for Java - with JPA/JDO support

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23

Eclipse/JPA Java EE Tutorial

Step by step tutorial that demonstrates how to build a simple Java EE web application (with Servlet, JSP and an EJB Session Bean) in Eclipse using JPA.
23

NetBeans/JPA Java EE Tutorial

Step by step tutorial that demonstrates how to build a simple Java EE web application (with Servlet, JSP and an EJB Session Bean) in NetBeans using JPA.
21

objectdb-2.6.9_06: Extended Persistence Context fails: 'Attempt to begin a new transaction when a transaction is active'

.1 and then: Set DO_FORCE_COMMIT_AFTER_BUILD = false in com.greensoft.objectdb.test.mini.ejb ... class ExtConfigBean extends All_ { @EJB private ExtProjectBuilder builder ... { ... Warning: A system exception occurred during an invocation on EJB ExtProjectBuilder, method
21

JPA Tutorials

with a Servlet and a JSP: JPA Web Application Tutorial This web application does not use EJB ... Since this web application uses Java EE 6 EJB (session beans) it requires a full Java EE 6 application server
17

Glassfish 4 AbstractMethodError: com.objectdb.jpa.EMF.createEntityManager

). Thanks! WARNING:   EJB5184:A system exception occurred during an invocation on EJB UserC, method: public void com.mirq.controller.UserC.findUser(java.lang.Long) WARNING:   javax.ejb ... /EntityManager; at com.sun.ejb.containers.EJBContainerTransactionManager.checkExceptionClientTx
15

Step 2: Entity Class and Persistence Unit

provider with the specified database url. The next step is adding an EJB Session Bean that will manage Guest entity objects.
15

Step 2: Entity Class and Persistence Unit

database url. The next step is adding an EJB Session Bean that will manage Guest entity objects.
10

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

.objectdb.test.mini.ejb; import com.greensoft.objectdb.test.mini.entity.Source; import com.greensoft ... ; ... @Singleton @Startup public class ConfigBean extends All_ { @EJB private Builder ... (EntityManagerWrapper.java:437) at com.greensoft.objectdb.test.mini.ejb.BuilderCommon.persist(BuilderCommon
10

newbie - lots of exeptions

.invoke(Method.java:601) at org.glassfish.ejb.security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:1052) at org.glassfish.ejb.security.application.EJBSecurityManager.invoke(EJBSecurityManager.java:1124) at com.sun.ejb.containers.BaseContainer
10

Guessbook tutorial: Java EE 6 JPA Tutorial - Maven Project

on EJB GuestDao, method: public void guest.GuestDao.persist(guest.Guest) WARNING: javax.ejb.EJBException at com.sun.ejb.containers.BaseContainer.processSystemException(BaseContainer.java:5215) at com.sun.ejb.containers.BaseContainer.completeNewTx(BaseContainer.java:5113) at com.sun.ejb

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.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support