4:02 a.m.
Hi,
it seems that it is Hibernate, which is not able to find your classes. I
guess that you are trying to configure JDBC URL, user and password
directly in persistence.xml and that's maybe an issue.
I suggest to rather configure the datasource in standalone.xml and then
use the property "jta-data-source" in your persistence.xml pointing to
that. Besides classloading issues, another advantage is, that you will
automatically have connection-pooling, connection liveness checks
(optional) etc. See our example "providers/user-storage-jpa" for
inspiration, which is doing the same.
Marek
On 02/03/17 10:42, Danny Trunk wrote:
Hello,
I've implemented a custom User Storage Provider to connect to a
configurable (external) database through Hibernate/JDBC:
public class MyUserStorageProviderFactory implements
UserStorageProviderFactory<MyUserStorageProvider> {
// ...
public MyUserStorageProvider create(KeycloakSession session,
ComponentModel model) {
logger.info(">>>>>> Creating factory");
PersistenceConfig config = new
PersistenceConfig(model.getConfig());
entityManagerFactory = new
HibernatePersistenceProvider().createContainerEntityManagerFactory(getPersistenceUnitInfo(),
config.asProperties());
entityManager = entityManagerFactory.createEntityManager();
return new MyUserStorageProvider(entityManager, session, model);
}
// ...
}
In src/main/resources/META-INF I've placed a file named
jboss-deployment-structure.xml:
<?xml version="1.0" ?>
<jboss-deployment-structure>
<deployment>
<dependencies>
<module name="org.hibernate" />
<module name="org.jboss.logging" />
<module name="org.keycloak.keycloak-core" />
<module name="org.keycloak.keycloak-server-spi" />
<module name="org.postgresql" />
</dependencies>
</deployment>
</jboss-deployment-structure>
Although there's a dependency for org.postgresql I'm getting a
ClassNotFoundException when trying to authenticate:
WARN [org.keycloak.services] (default task-6) KC-SERVICES0013: Failed
authentication: org.hibernate.service.spi.ServiceException: Unable to
create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment]
...
Caused by:
org.hibernate.boot.registry.classloading.spi.ClassLoadingException:
Unable to load class [org.postgresql.Driver]
...
Caused by: java.lang.ClassNotFoundException: Could not load requested
class : org.postgresql.Driver
PostgreSQL is deployed as module as described here:
https://keycloak.gitbooks.io/server-installation-and-configuration/conten...
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