6:20 p.m.
Hello Edwin,
Keycloak does support stateful EJBs as extensions:
https://www.keycloak.org/docs/latest/server_development/index.html#levera...
These EJBs are able to obtain an EntityManager as follows, without specifying unitName:
@PersistenceContext
protected EntityManager em;
Could you try the same in your MDB? If that doesn't work, I think you could create a
dummy stateful EJB whose sole purpose would be to propagate EntityManager, KeycloakSession
etc. to your MDB (via e.g. JNDI).
Good luck!
Dmitry Telegin
CTO, Acutus s.r.o.
Keycloak Consulting and Training
Pod lipami street 339/52, 130 00 Prague 3, Czech Republic
+42 (022) 888-30-71
E-mail: info(a)acutus.pro
On Sun, 2018-08-26 at 16:19 +0200, Edwin Steiner wrote:
Hello All
We would like to extended our Keycloak instance with a MessageDrivenBean for user
synchronization. Inside the MessageDrivenBean we need access to the EntityManager for
storing the imported users in the database.
@MessageDriven(name = "ImportUserMessageHandler", activationConfig = {
@ActivationConfigProperty(propertyName = "destinationType",
propertyValue = "javax.jms.Queue"),
@ActivationConfigProperty(propertyName = "destination", propertyValue =
“ImportQueue"),
@ActivationConfigProperty(propertyName = "acknowledgeMode",
propertyValue = "Auto-acknowledge") })
@ApplicationScoped
public class ImportUserMessageHandler extends AbstractMessageDrivenBean {
@PersistenceContext(unitName="keycloak-default")
private EntityManager entityManager;
}
But the above code results in the following error message:
————————
Caused by: org.jboss.as.server.deployment.DeploymentUnitProcessingException: WFLYEE0041:
Component class com.inventage.iam.import.ImportUserMessageHandler for component
ImportUserMessageHandler has errors:
WFLYJPA0033: Can't find a persistence unit named keycloak-default in deployment
"keycloak-spi.jar"
at
org.jboss.as.ee.component.deployers.ModuleJndiBindingProcessor$1.handle(ModuleJndiBindingProcessor.java:157)
at
org.jboss.as.ee.component.ClassDescriptionTraversal.run(ClassDescriptionTraversal.java:54)
at
org.jboss.as.ee.component.deployers.ModuleJndiBindingProcessor.processClassConfigurations(ModuleJndiBindingProcessor.java:186)
at
org.jboss.as.ee.component.deployers.ModuleJndiBindingProcessor.deploy(ModuleJndiBindingProcessor.java:143)
at
org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:165)
... 5 more
————————
Normally the EntityManager is gotten via
keycloakSession.getProvider(JpaConnectionProvider.class).getEntityManager(), but in the
MessageDrivenBean we have no access a KeycloakSession instance.
Is there an other way to get the EntityManager? Or can we get somehow a KeycloakSession
instance inside the MessageDrivenBean?
Thanks
Edwin
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