{"WFLYCTL0080: Failed services" => {"jboss.persistenceunit."be09d2c8-b26c-435a-b244-3bff831a36af.war#kamerameraPU"" => "org.jboss.msc.service.StartException in service jboss.persistenceunit."be09d2c8-b26c-435a-b244-3bff831a36af.war#kamerameraPU": org.hibernate.HibernateException: Access to DialectResolutionInfo cannot be null when 'hibernate.dialect' not set

<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.1" xmlns="http://xmlns.jcp.org/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">
    <persistence-unit name="kamerameraPU" transaction-type="JTA">
        <provider>org.hibernate.ejb.HibernatePersistence</provider>
        <jta-data-source>java:/kameramera</jta-data-source>
        <exclude-unlisted-classes>false</exclude-unlisted-classes>
        <class>**listas de classes**</class>
        <properties>
            <property name="hibernate.transaction.jta.platform" value="org.hibernate.service.jta.platform.internal.JBossAppServerJtaPlatform"/>
            <property name="hibernate.show_sql" value="true" />
            <property name="hibernate.format_sql" value="true" />
            <!--<property name="hibernate.hbm2ddl.auto" value="update" />-->
<!--            <property name="hibernate.dialect" value="org.hibernate.dialect.PostgreSQLDialect" />-->

            <property name="hibernate.multiTenancy" value="SCHEMA"/>
            <property name="hibernate.multi_tenant_connection_provider" value="org.kameramera.core.jpa.MultiTenantProvider"/>
            <property name="hibernate.tenant_identifier_resolver" value="org.kameramera.core.jpa.SchemaResolver"/>
        </properties>
    </persistence-unit>
</persistence>

<datasource jta="true" jndi-name="java:/kameramera" pool-name="kameramera" enabled="true" use-ccm="true">
                <connection-url>jdbc:postgresql://kamerameraServer:5432/kameramera2</connection-url>
                <driver-class>org.postgresql.Driver</driver-class>
                <driver>postgres</driver>
                <security>
                    <user-name>kameramera</user-name>
                    <password>kameramera</password>
                </security>
                <validation>
                    <valid-connection-checker class-name="org.jboss.jca.adapters.jdbc.extensions.postgres.PostgreSQLValidConnectionChecker"/>
                    <background-validation>true</background-validation>
                    <exception-sorter class-name="org.jboss.jca.adapters.jdbc.extensions.postgres.PostgreSQLExceptionSorter"/>
                </validation
            </datasource>
            <drivers>
                <driver name="postgres" module="org.postgresql">
                    <driver-class>org.postgresql.Driver</driver-class>
                </driver>
            </drivers>

@RunWith(Arquillian.class)
@RunAsClient
public class KamerameraServiceIT extends Logger {

    private Client client;

    private static Class<?> classe = ApplicationConfigKamerameraService.class;

    private static final String REST_PATH
            = classe.getAnnotation(ApplicationPath.class).value();

    @ArquillianResource
    private URL base;

    public KamerameraServiceIT() {
        super(KamerameraServiceIT.class);
    }

    /**
     * Cria o war para dar deploy no servidor
     *
     * @return
     */
    @Deployment
    public static Archive<?> createDeployment() {
        WebArchive war = ShrinkWrap.create(WebArchive.class)
                .addPackage(Kameramera.class.getPackage())
                .addClasses(KamerameraDAO.class)
                .addClasses(KamerameraBO.class)
                .addClasses(KamerameraService.class)
                .addAsDirectory(Util.WEB_INF_LIB)
                .addAsResource(Util.META_INF_TEST_PERSISTENCE, Util.META_INF_PERSISTENCE)
                .addAsManifestResource(EmptyAsset.INSTANCE, Util.BEANS_XML);

        return war;
    }

    /**
     * Inicia as dependencias da aplicação
     *
     * @throws MalformedURLException
     */
    @Before
    public void setUp() throws MalformedURLException {
        client = new JerseyClientBuilder().build();

        String serverHost = System.getProperty(Util.SYSTEM_PROPERTY_HOST);

        base = new URL(base.getProtocol(),
                serverHost == null ? Util.HOST : serverHost,
                base.getPort(),
                base.getFile());
    }

    @Test
    public void findAllTest() {
        logInfo("Buscando Kameramera");
        Response response = target("/kameramera")
                .request(MediaType.APPLICATION_JSON)
                .header("usuario", "goku")
                .get();

        assertEquals(200, response.getStatus());
        response.close();
    }
    }