Hello Elise,
following persistence config works for me expected:
https://github.com/apache/openmeetings/blob/master/openmeetings-web/src/main/webapp/WEB-INF/classes/META-INF/postgresql_persistence.xml
I can't see significant differences
Maybe you can share some simple example project demonstrating the issue?
On Sat, 14 Jan 2023 at 05:31, Elise Atkins <elise.atk...@tavve.com> wrote:
>
> I am just starting the process to migrate a project from 2.3.0 to 3.2.2 and
> I am getting the following error
> message: javax.persistence.PersistenceException: No persistence providers
> available for "PersistenceMgr" after trying the following discovered
> implementations: NONE
>
> The call that causes the error is:
> _factory =
> Persistence.createEntityManagerFactory("PersistenceMgr",
> OpenJpaPersistence.getDbConnectionProperties());
>
> The relevant part of the stack trace:
> Caused by: javax.persistence.PersistenceException: No persistence providers
> available for "PersistenceMgr" after trying the following discovered
> implementations: NONE
> at
> javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:136)
> at
> com.tavve.services.persistence.PersistenceMgr$OpenJpaSessionFactory.<init>(PersistenceMgr.java:89)
> at
> com.tavve.services.persistence.PersistenceMgr.startService(PersistenceMgr.java:60)
>
>
> The persistence.xml file is unchanged:
> <persistence xmlns="http://java.sun.com/xml/ns/persistence";
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
> version="1.0">
>
> <persistence-unit name="PersistenceMgr"
> transaction-type="RESOURCE_LOCAL">
>
> <provider>org.apache.openjpa.persistence.PersistenceProviderImpl</provider>
>
> <class>com.tavve.services.persistence.openjpa.PersistentAudit</class>
> </persistence-unit>
> </persistence>
>
> I am using postgresql version 9.2.24.
>
> I did not see any documentation in the 3.2.2 Appendix 3 indications that
> there was anything I needed to update.
>
> Thanks for any help.
>
> Elise
--
Best regards,
Maxim
