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release

2.0.1

... it will be fixed within 48 hours. You should start by following the tutorial or reading the manual . For ... JPA 1 jar in the classpath. Changed server start avoiding new process creation. Added logging for class ...

 
forum_thread

Deadlock in objectdb code

Running multi-threaded access to an embedded database using JDO, I'm getting a deadlock in objectdb code.  Thread dump attached. ... a convenient way to introduce classes to objectdb at the start of a run, so they aren't first encountered later?  Also, is ... a convenient way to introduce classes to objectdb at the start of a run, so they aren't first encountered later? You can ...

 
forum_thread

Working with a cleared cache

I'm working on trying to improve the performance of our database processing class and I'm attempting to keep the L1 cache within the PersistenceManager cleared in an effort to reduce its memory footprint. The code snippet below is part of a Callable task that is run repeatedly with a given list of commands. When I run the code as written I start getting the stack traces that are listed.  However, if I comment out the calls to makeTransactionalAll() and evictAll() everything works.... a given list of commands. When I run the code as written I start getting the stack traces that are listed.  However, if I comment out ...   try { // Start the transaction m_persistenceManager. currentTransaction ...

 
forum_thread

Java 6/7 Performance Comparison

Hey, I've been using ObjectDB for a small scale home project to gain some familiarity before proposing it in a commercial project at work. What I've noticed though is that when using objectdb in embedded mode based on the console tutorial, there seems to be a bit of a performance gap running the same code between Java 6 & 7 Tracing it through I can see the bottle neck seems to be at the creation of the entity manager and I was wondering if there are any additional configuration options I may have missed while running under java 7. ... have missed while running under java 7. long start = System. currentTimeMillis ( ) ; ... ( "Load Time %s ms \n " , ( end - start ) ) ; Java 1.7.0_51-b13 (MacOS X) ...

 
forum_thread

Nexus proxy repository with ObjectDB

I'm trying to setup a proxy repository in my local Nexus to retrieve artifacts from objectdb. Unfortunately I'm not able to get it configured properly and I'm not sure what is wrong. My repository config: #1 2014-03-27 16:45 I'm trying to setup a proxy repository in my local Nexus to retrieve artifacts from objectdb. Unfortunately I ...

 
forum_thread

Using the wrong class to access a database

Hello, just starting to test ObjectDB and ran into a problem. I've created a small program to test the Point database described in the Getting Started section: #1 2013-06-27 16:00 Hello, just starting to test ObjectDB and ran into a problem. I've created a small program to ...

 
api-jpa

javax.persistence.EntityTransaction

Interface used to control transactions on resource-local entity managers.(Interface of JPA)

 
api-jpa

substring(x, from, len)

Create an expression for substring extraction.(Method of javax.persistence.criteria.CriteriaBuilder)

 
api-jpa

substring(x, from, len)

Create an expression for substring extraction.(Method of javax.persistence.criteria.CriteriaBuilder)

 
forum_thread

Listing large number of complicated objects with paging.

Hi, For last few hours I was working on a problem with bad performance and memory problems with such a simple query: select prod from Product prod order by prod.id ASC Right now I have 55541 'Product' (attached to this post) entities in database and I'm trying to speed listing them with paging. The problem is, that running code that looks like this: ... ; prodList = icQuery. setFirstResult ( start ) . setMaxResults ( count ) . getResultList ... DEBUG pl.hplxtool.dao.impl.ProductDAOImpl - Start: 250, count: 50 2011-11-15 19:31:03.219 [http-bio-8080-exec-3] DEBUG ...