"thomas2008ch" wrote : I did really help! Many thanks! | | But I wonder a little bit since the "oracle-ds.xml" looks as follow: | | ...... | One can see the "Oracle10g" is used. Could you explain why? :-) The type-mapping in the -ds.xml seems to be ignored or atleast used only in some specific case. I tried using a datasource with some invalid type-mapping (example below) and the application deployed fine and i was even able to use the datasource in my application: <?xml version="1.0" encoding="UTF-8"?> | | <!-- $Id: mysql-ds.xml 63175 2007-05-21 16:26:06Z rrajesh $ --> | <!-- Datasource config for MySQL using 3.0.9 available from: | http://www.mysql.com/downloads/api-jdbc-stable.html | --> | | <datasources> | <local-tx-datasource> | <jndi-name>EJB3PersistenceDS</jndi-name> | <connection-url>jdbc:mysql://localhost:3306/test</connection-url> | <driver-class>com.mysql.jdbc.Driver</driver-class> | <user-name>****</user-name> | <password>*****</password> | <!-- corresponding type-mapping in the standardjbosscmp-jdbc.xml --> | <metadata> | <type-mapping>abcd</type-mapping> | </metadata> | </local-tx-datasource> | </datasources> | | View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4154815#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...