org.jboss.deployment.DeploymentException: Error while checking if table aleady exists TIMERS; - nested throwable: (java.sql.SQLException: Table not found: SYSTEM_TABLES in statement Hi All above error getting, I deployed an entity bean whose configuration is as follows,let met know is there any configuration issues, ejb-jar.xml ------------- <resource-ref> <res-ref-name>jdbc/accountdb</res-ref-name> <res-type>javax.sql.DataSource</res-type> <res-auth>Container</res-auth> </resource-ref> ejb-jar.xml ------------ <enterprise-beans> <ejb-name>sbi</ejb-name> <jndi-name>AccountsJndi</jndi-name> <resource-ref> <res-ref-name>jdbc/accountdb</res-ref-name> <jndi-name>java:/jboss.accountdb</jndi-name> </resource-ref> oracle-ds.xml --------------- <local-tx-datasource> <jndi-name>jboss.accountdb</jndi-name> <connection-url>jdbc:oracle:thin:@192.168.0.4:1521:joe</connection-url> <driver-class>oracle.jdbc.driver.OracleDriver</driver-class> ----------- View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4059565#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...