Hi all !
Before, I showed the article of security inside -ds.xml (inside \server\default\deploy) but now I don't remember its links.
My -ds.xml file :
..... <local-tx-datasource> <jndi-name>MySqlDS</jndi-name> <connection-url>jdbc:mysql://localhost/MyDatabase</connection-url> <driver-class>com.mysql.jdbc.Driver</driver-class> <user-name>root</user-name> ---> Not secure ! <password>iloveyou</password> ---> Not secure ! <min-pool-size>5</min-pool-size> <max-pool-size>20</max-pool-size> <metadata> <type-mapping>mySQL</type-mapping> </metadata> </local-tx-datasource> .....