i'm newbie to ejb and lately test a cmp2 sample
(master enterprise javabeans - ed roman) on
jboss3.0.4-tomact4.1.12 with j2sdk1.4.1_01. however,
i encounter a problem after deployed. the error issues
DeploymentException - "datasource-mapping oracle 7 not found".
i suppose the problem comes from jbosscmp-jdbc.xml, in
which the standardjbosscmp-jdbc.xml has an "oracle7"
type-mapping tag, but many other samples (found out from
search engine) don't have. yet i do not know its correct
format in order to correct the mistakes appeared on console.
the cmp code was from the ed roman's e-book. additionaly,
the relation is not many-to-many. simply an operation to
single table as stated in chapter7.

hope any one can tell me the correct way of forming
the jbosscmp-jdbc.xml file. or tell me where there's
related resource or a simple example.
i appreciate it,
thank you very much.