About Application Server

forum_thread

Problem with distinct select, order by and equivalent alias/attribute path

Hi, while working with a (standard-)JPA-query generating framework we run into an exception when ordering the results of some projection when the order by expression is different (though logically equivalent) to the projection expression. Here is the example: ... quite uncomfortable to write these queries by hand in our application which makes intensive use of the dsl library generating the ... an EntityManager) and as a run argument for the wildfly server instance. Nothing really worked so far but I'll try it again the ...

 
forum_thread

Multi-tenant setup

Hi, does anybody have experience with multi tenant setup of objectDB. For example using multiple schema or multiple database. How to handle connections between app (Jboss Wildfly) and pass query request to appropriate database, how to dynamically add new database or schema. There are lot of discussions on how to do it with hibernate Thanks     ... path). It is more tricky when using ObjectDB within an application server as automatic injection of entity managers in Java EE and JPA is static. ...

 
forum_thread

SelfTest and com.objectdb.Doctor

Dear Objectdb-Team We're really pleased with objectdb. Nevertheless we would like to ask for an 'extra' feature. The class 'com.objectdb.Doctor' enables a self-test for a given Database. We would like to make a self-test before every start of the database (i.e. the server). In case of fails or errors we would like to repair the database and/or inform the customer. ... a self-test before every start of the database (i.e. the server). In case of fails or errors we would like to repair the database ... of the self-test will be available directly from the application. best regards Arne Stocker (Advolux GmbH) ...

 
release

2.0.2

... Fixed a bug in automatic byte code enhancement in Java EE server. Fixed a bug in multi variable queries. ... with JPA 1 jar in the classpath. Changed server start avoiding new process creation. Added logging for ...

 
issue

Integration with Java EE (JPA 1.0)

ObjectDB can be used in both Java EE and Java SE by using application managed EntityManager. Support of container managed EntityManager and integration with the JTA (Java Transaction API) is not implemented yet.... ObjectDB can be used in both Java EE and Java SE by using application managed EntityManager javax.persistence.EntityManager ... API (JTA) and running ObjectDB in Java EE containers (application servers) has been added in version 2.0.4. ...

 
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. ... would be as usual, as demonstrated in the ObjectDB web application tutorials. Note that in embedded mode using ObjectDB is like using ...

 
issue

Exception in thread "ODB-StoreHandler-5094" java.lang.NullPointerException

Hi, ... being thrown from ObjectDb on our production server.  These are being written to a log by a server wrapper which runs ObjectDb as a service.  It looks like ObjectDb ... are terminating abnormally, I'm not sure how our application is reacting to these failures, as there are no timestamps that I ...

 
issue

Can't open replicated database

I have a database running in server mode on port 6136 on server1 and server2. Each server has a replicated copy of the other servers database. I try to open the replicated on one database for a query (just read, no update) but it fails with the error below. The code I'm using is (user & password has been deliberately removed): ... I have a database running in server mode on port 6136 on server1 and server2. Each server has a replicated ... error but when I restarted the objectdb servers and the application clients it seems to be working ok. ...

 
forum_thread

using objectdb.jar in writing data to mariadb or mysql db

Hello All, ... All, I am trying to develop an ICT-Issue-Tracking application. The front end is to be java (for desktop version) and python or ... java and reduce the use of regular sql patterns. Can my application use the objectdb.jar to write to mariadb or mysql using native java ... environment is this? Can objectdb handle client - server connections from over 200 users? Can it be efficiently used in ...

 
forum_thread

"No Persistence provider for EntityManager" in OSGI bundle.

Good Day. I seem to have gotten a bit stuck while developing an OSGI bundle with ObjectDB. Essentially it builds an OSGI bundle with an embedded instance of ObjectDB and then tries to deploy the bundle inside an application running an embedded OSGI server (Apache Felix). The STARTING phase seems to fail due to the below error. ... of ObjectDB and then tries to deploy the bundle inside an application running an embedded OSGI server (Apache Felix). The STARTING phase seems to fail due to the below ...