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manual

Database Doctor

Explains how to use the ObjectDB object database Doctor tool to diagnose and repair database files and damaged Java/JPA/JDO objects.... by two instances of the ObjectDB engine (not using one server process), thus bypassing ObjectDB internal file lock protection. ...

 
forum_thread

ObjectDB Privacy

What privacy does ObjectDB have to offer? I'm watching my firewall and it looks like ObjectDB is pushing my data out? Are there any guarantees that I will retain my privacy when using ObjectDB? ... Data is transferred out only between your client and server, if they are not located on the same machine. Check your firewall again, ...

 
issue

NPE when doing a find()

I added a simple User entity during Tomcat startup: class User {  @Id @GeneratedValue private long id; @Basic(optional = false) private String firstName; private String middleName; @Basic(optional = false) private String lastName; } Everything works fine until I restart the server, which does a em.find(User.class, 1).  Then this happens: ... } Everything works fine until I restart the server, which does a em.find(User.class, 1).  Then this happens: ...

 
forum_thread

in-memory and on-disk support?

I've had a quick read through the features/FAQ and haven't been able to find a clear answer. I'm looking at replacing a setup of H2 where I have 40GB in-memory backed by 800GB on-disk, the 40GB in memory represents the first 40GB of the 800GB on-disk for super-fast recent entry searching, the records at the end continuously purge as the new ones come in(duplicate write, one to in-memory and one to on-disk). ... without the need for TCP/IP as it's all on the one server. Thanks in advance. Ben ...

 
forum_thread

app.jelastic.eapps.com and objectdb

It seems that this web hosting service doesn't support objectdb and that is frustrating. Does anyone know a way around this? pls help a brother... ... Hi! Jelastic is a Java server Container enviroment. ...

 
tutorial

Step 3: Add a Context Listener Class

Explains how to add a servlet context listener (to manage an application scope EntityManagerFactory) in a NetBeans Web Application.... be closed when the web application stops (or when the web server shuts down), by closing that EntityManagerFactory . To ...

 
tutorial

JPA Web App Tutorial - NetBeans Project

Opening a JPA Maven web application project in the NetBeans IDE.... Main Project... (or F6 ). Choose or define the server and click OK . If  a browser is not opened - open ...

 
page

What is the Java Persistence API (JPA)?

... with a relational database such as Oracle, DB2, SQL Server or MySQL. The popular JPA implementations are Hibernate, TopLink, ...

 
issue

NPE on em.createQuery(query).getResultList()

(JPA2 support getting better but still not quite there, excellent progress regardless). Difficult to see what's going on because of obfuscation, but it didn't look like this exact issue was reported yet (seemed to differ from the other reported and fixed NPEs): ... 990)   Generated by Java HotSpot(TM) 64-Bit Server VM 1.6.0_25 (on Windows 7 6.1). Please report this error on ...

 
forum_thread

Closed EntityManagerFactory after upgrading glassfish 3.1.1 to 3.1.2

Hi. I have faced a very serious issue. After upgrading the GlassFish server from 3.1.1 to 3.1.2 this error appears:   ... faced a very serious issue. After upgrading the GlassFish server from 3.1.1 to 3.1.2 this error appears: WARNING: EJB5184:A system ...