ObjectDB ObjectDB

Internal Website Search

41-50 of 200 resultsRefresh

system exception occurred during an invocation on EJB GuestDao

() 2014-09-01T19:09:01.324+0200|Avertissement: javax.ejb.EJBException at com.sun.ejb.containers ... .ejb.containers.EJBContainerTransactionManager.completeNewTx(EJBContainerTransactionManager.java:698) at com.sun.ejb.containers.EJBContainerTransactionManager.postInvokeTx(EJBContainerTransactionManager

Working with JPA Entity Objects

soft references instead of weak references. The contains method can check if a specified entity object is in the persistence context: boolean isManaged = em.contains(employee); The persistence

General Settings and Logging

The <general> configuration element specifies ObjectDB settings that are relevant to both the server side and the client side. The default configuration file contains the following <general> element ... data, such as query results that contain millions of objects. The <temp> element specifies temporary

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

.containers.BaseContainer.preInvoke(BaseContainer.java:2004) at com.sun.ejb.containers.EJBLocalObjectInvocationHandler.invoke(EJBLocalObjectInvocationHandler.java:210) at com.sun.ejb.containers ... .ejb.containers.EJBContainerTransactionManager.completeNewTx(EJBContainerTransactionManager.java:723

Database Management Settings

The <database> configuration element specifies back end (database engine) settings that are relevant on the server side and in embedded mode. The default configuration file contains the following <database> element: <database> <size initial="256kb" resize="256kb" page="2kb" /> <recovery

Apache License, Version 2.0, January 2004

of the attribution notices contained within such NOTICE file, excluding those notices that do not

Step 5: Add a JSP Page

> </html> The JSP generates the guestbook page output, which contains a simple form for signing

JPA Web App Tutorial - Maven Project

The current directory should be guestbook-web (containing the pom.xml file) and port 8080 has to be available

Report Generation with BIRT and JPA

tutorial. The database file contains 1,000 Point entity objects, which represent points on the line y

ObjectDB 1.0 Manual

basic database programming using ObjectDB. Subsequent chapters contain detailed instructions

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