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Tutorial
12

Java EE 6 JPA Tutorial - Maven Project

The Java EE 6 Web Application tutorial provides step by step instructions on how to build a simple Java/JPA database driven web application (for GlassFish 3/ JBoss 6) in Eclipse or NetBeans. Building a new application step by step is an effective way to learn - but if you prefer, you may download
Forum
12

How to have a distribuited GWT application with ObjectDB and Spring?

Hello to everyone! I've been developing a GwT application as a project for my computer science faculty. It consists in 2 or 3 hosts running it, each of one has a client and a server ... has got its own client/server in the same host. The problems comes out when point A has finished
Forum
12

Problem undeploying Glassfish3.1.1 web application cleanly

objectdb-2.3.7_18 When I undeploy a Glassfish3.1.1 web application when using @PersistenceContext EntityManager injection, using the undeploy feature under the Glassfish server node  of Netbeans7.1 ... ObjectDB in embedded mode. What is the correct procedure for undeploying such a web application
Forum
12

Unable to run NetBeans/JPA Web Application Tutorial

I followed each and every step of NetBeans/JPA Web Application Tutorial but when i am trying to run the web application the following error is prompted on the run console: Start is in progress... start?path=/GuestBook FAIL - Application at context path /GuestBook could not be started C:\GuestBook
Forum
11

How to connect to an embedded ObjectDB in a JPA/JEE application?

It is easy to change the properties in persistence.xml file to connect to an ObjectDB server. But I could not find any reference who to connet to an embedded objectdb in a JEE/JPA application through changing persistence.xml file. Can any one please help ? Just replace the client-server connection
Forum
11

Integrating the ObjectDB logging into the application logging based on slf4j

We would like to write the logs of ObjectDB with into the log of our application. What do you use ... to other specific logging libraries, and explain in details how you expect it to work (e.g. in client server mode on the client side and on the server side). btc_es
Forum
11

Pessimestic Locking doesn't release when application unexpectedly terminates.

.    Is there anyway the server can detect that a client (lock owner is no longer connected ... of a failed connection by the client. Currently in case of a failed connection the server can still accept ... with the performance and stability of objectdb server. We've tried various in-memory solutions and Objectdb
Forum
11

Server vs embedded mode in multi-instance scenario

have a user base of about 2,000 to 60,000 users that could possibly be using their application at any given ... concerns as well as auto scale during peak usage, at least for the benefit of our web application ... there will only be one active instance of the app, use embedded mode inside the web application
Issue
11

Server out of memory exceptions

I've started to get memory exceptions on objectdb instances running as a server. The objectdb log reports this as: [2011-07-29 23:28:41 #20 server] java.lang.OutOfMemoryError: Java heap space [2011-07-29 23:28:41 #21 server] java.lang.OutOfMemoryError: Java heap space at java.net
FAQ
11

What is the Java Persistence API (JPA)?

applications. The main advantage of JPA over JDBC (the older Java API for interacting with databases ... to interact with a relational database such as Oracle, DB2, SQL Server or MySQL. The popular JPA ... the relational database (as tables and records) and the representation in the Java application (as classes