anonymous wrote : Yes. It is partially true. It is only needed to change the hibernate.cfg.xml to include something like: That's what I said. You need to create a hibernate.cfg.xml with an additional mapping to your own queries xml. anonymous wrote : I just don't understand how to add my own jbpm.cfg.xml file. If i do this, what will happen to the existing configuration items in the original jbpm.cfg.xml file? You can create your own configuration file (default name is "jbpm.cfg.xml" but you can specify another name if you want to in JbpmConfiguration.getInstance() call). This will overwrite the configurations in default.jbpm.cfg.xml. So you just need to add the configuration settings you would like to change in your configuration file. anonymous wrote : After going through the source code, i found that all the Sessions like GraphSession, TaskMgntSession etc are obtained from JbpmContext which use the DBPersistenceService. And DBPersistenceService hardcode these sessions there. | | What i can do is to create my own class like XXXSessioin and initialize it manually because it cannot be availalbe from JbpmContext. | | Is this right? | | comments? You can create your own persistenceService and use this one by adding your own DbPersistenceServiceFactory in your configuration file. There you can do whatever your want. Best is to subclass the existing DbPersistenceService and start from there I guess. Olivier View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3965220#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...