Thanks Alex, This fix one error in the log file but an other one appear : anonymous wrote : | 13:22:57,728 WARN [ServiceController] Problem starting service jboss.j2ee:service=EjbModule,module=tambur-billing.jar | org.jboss.deployment.DeploymentException: Error while creating table BILLINGSUMMARY; - nested throwable: (java.sql.SQLException: Unexpected token: COUNT in statement [CREATE TABLE BILLINGSUMMARY (id INTEGER NOT NULL, datetime BIGINT NOT NULL, sid INTEGER NOT NULL, account INTEGER NOT NULL, count]) | I think you will see the problem in less than a second.... P.S. : instead of removing <datasource-mapping>Mysql</datasource-mapping> I put : <datasource-mapping>Hypersonic SQL</datasource-mapping> I hopre it doesn't matter with the "Unexpected token: COUNT" error View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3970148#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...