<div dir="ltr">It's not very easy to get Persistence to pick-up the persistence.xml file from a module. We've got a fix for this coming in 1.9.2, but you can just copy/paste the lines from <a href="https://github.com/keycloak/keycloak/blob/master/model/jpa/src/main/java/org/keycloak/connections/jpa/util/JpaUtils.java#L43">https://github.com/keycloak/keycloak/blob/master/model/jpa/src/main/java/org/keycloak/connections/jpa/util/JpaUtils.java#L43</a>. It uses Hibernate classes directly to create the EntityManagerFactory which allows specifying the classloader. Just use the classloader for your <span style="font-size:12.8px">UserFederationProviderFactory implementation.</span></div><div class="gmail_extra"><br><div class="gmail_quote">On 6 April 2016 at 05:12, Anthony Fryer <span dir="ltr"><<a href="mailto:Anthony.Fryer@virginaustralia.com" target="_blank">Anthony.Fryer@virginaustralia.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal">Hi All,<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">I’m implementing a UserFederationProviderFactory and want to create an EntityManagerFactory from one of its methods. I have packaged up a persistence.xml in the META-INF folder of the SPI jar file and deployed this as a module to the keycloak
standalone server. <u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">My module.xml looks like this…<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><module xmlns="urn:jboss:module:1.3" name="acme.keycloak-acme-user-federation"><u></u><u></u></p>
<p class="MsoNormal"> <resources><u></u><u></u></p>
<p class="MsoNormal"> <resource-root path="keycloak-acme-user-federation-1.0.0.jar"><u></u><u></u></p>
<p class="MsoNormal"> <filter><u></u><u></u></p>
<p class="MsoNormal"> <include path="META-INF/**"/><u></u><u></u></p>
<p class="MsoNormal"> </filter><u></u><u></u></p>
<p class="MsoNormal"> </resource-root><u></u><u></u></p>
<p class="MsoNormal"> </resources><u></u><u></u></p>
<p class="MsoNormal"> <dependencies><u></u><u></u></p>
<p class="MsoNormal"> <module name="org.keycloak.keycloak-core"/><u></u><u></u></p>
<p class="MsoNormal"> <module name="org.keycloak.keycloak-server-spi"/><u></u><u></u></p>
<p class="MsoNormal"> <module name="javax.api"/><u></u><u></u></p>
<p class="MsoNormal"> <module name="javaee.api"/><u></u><u></u></p>
<p class="MsoNormal"> <module name="org.hibernate" /><u></u><u></u></p>
<p class="MsoNormal"> <module name="org.jboss.ws.cxf.jbossws-cxf-client"/><u></u><u></u></p>
<p class="MsoNormal"> </dependencies><u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"></module><u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">In my UserFederationProviderFactory I have a method like this…<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"> private EntityManagerFactory getEntityManagerFactory(UserFederationProviderModel model) {<u></u><u></u></p>
<p class="MsoNormal"> if (emf == null) {<u></u><u></u></p>
<p class="MsoNormal"> logger.trace("Creating entityManagerFactory...");<u></u><u></u></p>
<p class="MsoNormal"> Map<String, String> config = model.getConfig();<u></u><u></u></p>
<p class="MsoNormal"> Properties p = new Properties();<u></u><u></u></p>
<p class="MsoNormal"> // for now just use hibernate built in connection factory<u></u><u></u></p>
<p class="MsoNormal"> p.put("hibernate.connection.driver_class", config.get(DATABASE_DRIVER_CLASS_NAME));<u></u><u></u></p>
<p class="MsoNormal"> p.put("hibernate.connection.url", config.get(DATABASE_URL));<u></u><u></u></p>
<p class="MsoNormal"> p.put("hibernate.connection.username", config.get(DATABASE_USER));<u></u><u></u></p>
<p class="MsoNormal"> p.put("hibernate.connection.password", config.get(DATABASE_PASSWORD));<u></u><u></u></p>
<p class="MsoNormal"> p.put("hibernate.show_sql", "true");<u></u><u></u></p>
<p class="MsoNormal"> p.put("hibernate.format_sql", "true");<u></u><u></u></p>
<p class="MsoNormal"> emf = Persistence.createEntityManagerFactory("acmeEntities", p);<u></u><u></u></p>
<p class="MsoNormal"> }<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal"> return emf;<u></u><u></u></p>
<p class="MsoNormal"> }<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">When this method is called, it always returns the error “No Persistence provider for EntityManager named acmeEntities”.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">I’m 90% sure this is to do with the ClassLoader being used by Persistence not being able to see the META-INF/persistence.xml packaged up in the keycloak-acme-user-federation-1.0.0.jar. Does anyone have an idea what I need to do to my module
configuration to get this working?<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Thanks,<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Anthony Fryer<u></u><u></u></p>
<p class="MsoNormal"><span><u></u> <u></u></span></p>
<p class="MsoNormal"><u></u> <u></u></p>
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