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Hi HuiSheng Xu,

Thank you very much for replying to my post.

The way in which it works is described below.

I added the jbpm mappings to my persistence.xml. Please see the configuration below. So that my persistence unit contains the jbpm tables also. So I can use jbpm objects along with my domain objects in JPA.

The query is given below

entityManager.createQuery("SELECT new com.imagitek.prodagioap.workflow.invoice.InvoiceTask(task, invoice) from org.jbpm.api.task.Task task, org.jbpm.pvm.internal.type.Variable var, com.imagitek.prodagioap.entity.ImInvoice invoice  where var.execution=task.execution and invoice.id=var.l").getResultList();

This works because I know my variable will be a long data type.

? Right now I have a separate jbpm.hibernate.cfg.xml which is supplied by jbpm4. I am using this configuration also. Ultimately I want to use only the JPA configuration for everything. I want to get rid of the jbpm.hibernate.cfg.xml file. While creating the process engine I was able to supply hibernateSessionFactory which is provided by jpa/seam to the process engine. Then I was able to get rid of the jbpm.hibernate.cfg.xml. but the problem was that no data was persisted to the database. But all the rules, events etc were getting fired. I assume I am missing some transaction related stuff. Can please tell me what are the things I need to do to persist the data.

Thanks & Regards

Thomas Victor