About FROM

forum_thread

Eclipse4 RCP - No Persistence provider for EntityManager

Hello, I'm developing an Eclipse4 RCP application which uses ObjectDB and have the following problem after calling Persistence.createEntityManagerFactory("test.odb") : javax.persistence.PersistenceException: No Persistence provider for EntityManager I'm using the latest ObjectDB 2.6.2.b03. It is integrated in our target platform. It is noticed that since 2.6.2.b02 there is no more integrated javax.persistence & javax.transaction. ... avoid changing the context class loader by following ideas from the forum thread mentioned above. Particularly, for ObjectDB to be able to ...

 
forum_thread

OEM Enhancer causing Jenkins job to freeze

Hi all, We are using ODB enhancer in one of our jobs on jenkins, built via ant. Recently we started to encounter situation, where this job's execution gets stuck for ever on Jenkins. This is causing us a lot of problems with our CI. ... Problem occurs during logging class initialization from static block(variable) when there are multiple logging frameworks present ...

 
issue

Unexpected exception (Error 990) com.objectdb.o.InternalException

Hello, we get an exception if we use Enhanced Entities. With not enhanced Entities we get no error. ... interesting: If we change the loggingLevel   from "fatal" to "warning", we get other exceptions.  (We do excactly the ...

 
forum_thread

Degrading performance overtime

hi, We have an application that uses embedded odb database. We have configured odb to start at 50meg chunks and grow at 50 megs a time. as the files become larger between 1 and 2 gigs we start to see considerable degrade in performance caused internal objectdb locking: ... the new file space may contain garbage (such as data from old deleted files). This should not affect ObjectDB activity and ...

 
forum_thread

Error 613 - i cant put a list<Athlete> into a Squad object

hey guys Im a swiss student and my english is not that good and ive never posted in your forum, so thats why im sorry if im doing any mistakes, but i have big trouble, because ive to get this straight till end of week. i uploaded also all classes but if u see the problem in the main problem field the classes are copied after the problem description. the structure: ... sure that on commit all the objects that are reachable from objects that you persist are also persistent. Any of the following ...

 
issue

Server crash - Mismatch client-server protocol prefix

We've been having a problem where our ObjectDB server goes unresponsive every 2 days or so.  I've reviewed the server-side logs, and there are no events logged shortly before the crash.  Once the server gets in this state, it is unresponsive to bin/server.sh restart; I have had to reboot the entire server on which it's running.  The only recorded symptom is a client-side error (which fortunately gets auto-mailed to me): ... had upgraded my production server to 2.5.2 on 8/15 (from 2.3.something).  The issue I reported as #206 started within a few ...

 
issue

Error on commit

I get the following on commit:  (v2.3.7_15) Let me know if you need more info. ... have fixed it. (possible index issue?) This is from the original odbYYYYMMDD.log file: (*** = Employer public forum ...

 
forum_thread

Running ObjectDB on a node that does not have internet connectivity

Upon initializing our ObjectDB database on a node that does not have a connection to the outside internet, we get the following exception. Any idea what would be causing this?... I ran into a similar issue. After rolling back from version 2.5.7_06 to 2.3.7_02 I got this error: jdo.dtd (No such ...

 
issue

Negative snapshot user count exception

I found the following stack trace in my log files; it's cropped up a number of times: ... possible factors may be relevant: Your move from ObjectDB 2.3.x to 2.5.2. Corruption of the database that ...

 
forum_thread

disabling JDO in objectdb embedded mode

Hi, i am using objectdb (version 2.6.8) in embedded mode. I deployed an .ear project in glassfish. When I attempt to call the database I get several exceptions. As an example consider the following short example: ... It seems to me that a "component" orders glassfish to load from my .ear file a resource X.jdo where X is the name of an entity class. ...