<div dir="ltr">That's much cleaner than the approach I used. Thanks</div><div class="gmail_extra"><br><div class="gmail_quote">On 7 April 2016 at 00:52, 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"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">There’s definitely some challenges getting the classloaders to play nicely with each other. I ended up getting this to work by just adding the following one
line to the properties used when creating the EntityManagerFactory…<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">// Adding "hibernate.classLoaders" property is critical for this to work<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">p.put("hibernate.classLoaders", Arrays.asList(this.getClass().getClassLoader()));<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">…<u></u><u></u></span></p><span class="">
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">emf = Persistence.createEntityManagerFactory("acmeEntities", p);<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
</span><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Thanks,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Anthony<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Stian Thorgersen [mailto:<a href="mailto:sthorger@redhat.com" target="_blank">sthorger@redhat.com</a>]
<br>
<b>Sent:</b> Wednesday, 6 April 2016 8:56 PM<br>
<b>To:</b> Anthony Fryer<br>
<b>Cc:</b> keycloak-user (<a href="mailto:keycloak-user@lists.jboss.org" target="_blank">keycloak-user@lists.jboss.org</a>)<br>
<b>Subject:</b> Re: [keycloak-user] Issue creating EntityManagerFactory from custom UserFederationProviderFactory<u></u><u></u></span></p><div><div class="h5">
<p class="MsoNormal"><u></u> <u></u></p>
<div>
<p class="MsoNormal">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" target="_blank">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:9.5pt">UserFederationProviderFactory implementation.</span><u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">On 6 April 2016 at 05:12, Anthony Fryer <<a href="mailto:Anthony.Fryer@virginaustralia.com" target="_blank">Anthony.Fryer@virginaustralia.com</a>> wrote:<u></u><u></u></p>
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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"> <u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
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