--- a/src/main/resources/META-INF/persistence.xml	Fri May 22 15:11:40 2015 +0200
+++ b/src/main/resources/META-INF/persistence.xml	Fri May 22 15:12:54 2015 +0200
@@ -3,35 +3,31 @@
    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="bund">
-        <!--provider>org.hibernate.jpa.HibernatePersistenceProvider</provider-->
         <jta-data-source>java:/jboss/lada-bund</jta-data-source>
         <exclude-unlisted-classes>false</exclude-unlisted-classes>
         <properties>
             <property name="jboss.entity.manager.jndi.name" value="java:app/entitymanager/bund"/>
             <!-- Properties for Hibernate -->
             <property name="hibernate.show_sql" value="false" />
-            <property name="hibernate.dialect" value="de.intevation.lada.util.data.LadaPostgreSQLDialect"/>
+            <property name="hibernate.dialect" value="de.intevation.lada.util.data.LadaPostgisDialect"/>
             <property name="hibernate.hbm2ddl.auto" value="none"/>
-            <!-- property name="hibernate.transaction.jta.platform" value="org.hibernate.service.jta.platform.internal.JBossAppServerJtaPlatform" /--> 
        </properties>
    	</persistence-unit>
    	<persistence-unit name="land">
-   	    <provider>org.hibernate.ejb.HibernatePersistence</provider>
-        <jta-data-source>java:/jboss/lada-land</jta-data-source>
+   	    <jta-data-source>java:/jboss/lada-land</jta-data-source>
        	<exclude-unlisted-classes>false</exclude-unlisted-classes>
     	<properties>
             <property name="jboss.entity.manager.jndi.name" value="java:app/entitymanager/land"/>
             <property name="hibernate.show_sql" value="true" />
-			<property name="hibernate.dialect" value="de.intevation.lada.util.data.LadaPostgreSQLDialect"/>
+			<property name="hibernate.dialect" value="de.intevation.lada.util.data.LadaPostgisDialect"/>
             <property name="hibernate.hbm2ddl.auto" value="none"/>
        </properties>
     </persistence-unit>
     <persistence-unit name="stamm">
-        <provider>org.hibernate.ejb.HibernatePersistence</provider>
         <jta-data-source>java:/jboss/lada-stamm</jta-data-source>
         <properties>
             <property name="jboss.entity.manager.jndi.name" value="java:app/entitymanager/stamm"/>
-			<property name="hibernate.dialect" value="de.intevation.lada.util.data.LadaPostgreSQLDialect"/>
+			<property name="hibernate.dialect" value="org.hibernate.spatial.dialect.postgis.PostgisDialect"/>
             <property name="hibernate.show_sql" value="true" />
             <property name="hibernate.hbm2ddl.auto" value="none"/>
         </properties>