Hi Preben, thanks for your hint. I think this will help. Michael
-----Ursprüngliche Nachricht----- Von: Preben Thorø [mailto:[EMAIL PROTECTED] Gesendet: Dienstag, 6. Dezember 2005 09:27 An: user@geronimo.apache.org Betreff: Re: Lookup for Datasource Hi Michael, there is a very fine example/explanation here: http://www.openejb.org/faq_openejb-jar.html Regards Preben Ueberbach, Michael wrote: >hello, > >I'm using geronimo M5 and have a question about the deploying of an EJB >application. >I already delpoyed a J2EE connector as a global connection to an existing >Mysql database. >Also I deloyed a simple stateless session bean that may be part of a greater >EJB application. >This session bean should retrieve data from the database directly (JDBC for >reading). >I managed to do this while making a lookup to the datasource the following way: > >(...) >InitialContext ctx = new InitialContext(); >DataSource ds = (DataSource) ctx.lookup("java:comp/env/MysqlDataSource"); >(...) > >Here "MysqlDataSource" is the name of the connection defined in the deployment >plan for the above mentioned >connector: > >(...) ><connectiondefinition-instance> > <name>MysqlDataSource</name> >(-...) > >Now I would like to replace the name of the connection by a logical name, >let's say this way: > >(...) >DataSource ds = (DataSource) ctx.lookup("java:comp/env/jdbc/DataSource"); >(...) > >Therefore a link between the alias "jdbc/DataSource" and the connection >"MysqlDataSource" has to be >established elswhere. > >I found an example of such a link in the following deployment plan > ><web-app > xmlns="http://geronimo.apache.org/xml/ns/web/jetty"; > xmlns:naming="http://geronimo.apache.org/xml/ns/naming"; > configId="PhoneBookWeb" > parentId="MysqlDatabase" > > > <naming:resource-ref> > <naming:ref-name>jdbc/DataSource</naming:ref-name> > <naming:resource-link>MysqlDataSource</naming:resource-link> > </naming:resource-ref> ></web-app> > >But this is the plan for a web application and I want to deploy a simple EJB >application. The >neccessary openejb-jar.xml does not allow such a link. >So where to put it? > >Thanks a lot >Michael > >
