Thank you for the yesterday reply !
Now i am not sure of the right editing of my hsqldb-ds.xml file
before modifyi,g the file :
<connection-url>jdbc:hsqldb:${jboss.server.data.dir}/hypersonic/localDB
<connection-url>jdbc:hsqldb:D:/informatique/jboss3.2.3/server/data/hypersonic/localDB
D:/informatique/jboss3.2.3/server/data/hypersonic/localDB is the path
Thank you for your help,
Antoine