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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

SSL Problem

Hello, I have a problem to use the server with ssl. I have created the certificate using this command: keytool-genkeypair-dname "cn = Mark Jones, ou = JavaSoft, o = Sun, c = U.S."-alias business-keypass kpi135-keystore-storepass mykeystore ab987c-validity 180 Then I put in the configuration file objectdb: ... "ab987c" /> </ssl > When I start the server I get only the word null and the server will not start. What's wrong?   Thanks ...

 
forum_thread

Optimistic lock

Hello When I get an optimistic lock on an object, refresh(), start trans and persist?  Will the changes made to the object before the violation be retained or must they be duplicated in the retry code?  Assuming it affects only one object.  tia. ... When I get an optimistic lock on an object, refresh(), start trans and persist?  Will the changes made to the object before the ... the object?  Or do I need to refresh() the object start a transaction, reapply the changes,persist and commit? ...

 
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

problems using the explorer

we are currently evaluating objectDB. Environment OSX 10.9.2, JavaSE-1.7 Version: Kepler Service Release 2 Build id: 20140224-0627 ObjectDB 2.5.5 Maven project, objectDB relevant sections: ... ... writes and retrieves an entity, everything works fine (start several times, run...) as soon as we open the database wit ...

 
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

Schema Update: class hierarchy change

Hello, we try to change the class hierarchy of an Entity. You wrote www.objectdb.com/database/forum/899 that ObjectDB support automatic schema evolution for adding and removing fields and for class hierarchy change.   But our small test failed: At first create a DataBase with one Object of MyEntity ... ) { System. out . println ( "start" ) ; EntityManagerFactory emf = Persistence ... ) { System. out . println ( "start" ) ; EntityManagerFactory emf = Persistence ...

 
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

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 ...