I'm trying to do J2EE version of this tutorial which J2SE http://www.clusterdb.com/mysql-cluster/using-clusterjpa-part-of-mysql-clu... I installed OpenJPA as module in JBoss add the MySQL JDBC datasource to JBoss AS 7 then I run my application with persistence.xml <?xml version="1.0" encoding="UTF-8"?> <persistence version="2.0" xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd"> <persistence-unit name="SQLTPU" transaction-type="JTA"> <provider>org.apache.openjpa.persistence.PersistenceProviderImpl</provider> <jta-data-source>java:/mcube/DefaultDS</jta-data-source> <class>org.ksu.SQLT.entities.Employee</class> <class>org.ksu.SQLT.entities.Department</class> <properties> <property name="jboss.as.jpa.providerModule" value="org.apache.openjpa" /> <!-- IMPORTANT PROPERTIES --> <property name="openjpa.DynamicEnhancementAgent" value="false"/> <property name="openjpa.RuntimeUnenhancedClasses" value="supported" /> <property name="openjpa.jdbc.SynchronizeMappings" value="buildSchema(ForeignKeys=true)" /> <!-- <property name="openjpa.jdbc.DBDictionary" value="mysql" /> !--> <property name="openjpa.ConnectionDriverName" value="com.mysql.jdbc.Driver" /> <property name="openjpa.ConnectionURL" value="jdbc:mysql://192.168.1.13:3306/clusterdb" /> <property name="openjpa.ConnectionUserName" value="root" /> <property name="openjpa.ConnectionPassword" value="Password" /> <property name="openjpa.BrokerFactory" value="com.mysql.clusterj.openjpa.NdbOpenJPABrokerFactory" /> <property name="openjpa.jdbc.DBDictionary" value="TableType=ndbcluster" /> <property name="openjpa.ndb.connectString" value="192.168.1.13:1186" /> <property name="openjpa.ndb.database" value="clusterdb" /> </properties> </persistence-unit> </persistence> I add the .jar files ClusterJPA, ClusterJ and ClusterAPI to the project library folder in NetBeans. the application deployed but dose not create the tables in the database