Hi,

I have a small application where I access a database using ejb with jsp/servlets. The application is working ok but I have a question about the mysql-ds.xml file and ejb-jar.xml file.

I have pasted the 2 files below. The thing is at the moment I have specified the name of the database in mysql-ds.xml. I would like to state this name in the ejb-jar.xml file so that I do not have to change the name of the database everytime I have to access one.

Shall be thankful if somebody could advise me.

Ros

ejb-jar.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE ejb-jar PUBLIC "-//Sun Microsystems, Inc.//DTD Enterprise JavaBeans 2.0//EN" "http://java.sun.com/dtd/ejb-jar_2_0.dtd">

<ejb-jar>
  Customer Info Stateless Session Bean Application
  <display-name>Customer Info Stateless Session Bean</display-name>
  <enterprise-beans>
   
       <ejb-name>CustomerInfoStateless</ejb-name>
       com.ejb.CustomerInfoStatelessHome
       com.ejb.CustomerInfoStateless
       <ejb-class>com.ejb.CustomerInfoStatelessBean</ejb-class>
       <session-type>Stateless</session-type>
       <transaction-type>Container</transaction-type>
     <resource-ref>
       This is a reference to a JDBC database.
       <res-ref-name>java:/MySqlDS</res-ref-name>
       <res-type>javax.sql.DataSource</res-type>
       <res-auth>Container</res-auth>
    </resource-ref>
   
  </enterprise-beans>
</ejb-jar>

mysql-ds.xml

<?xml version="1.0" encoding="UTF-8"?>

<!-- $Id: mysql-ds.xml 41016 2006-02-07 14:23:00Z acoliver $ -->
<!-- Datasource config for MySQL using 3.0.9 available from:
http://www.mysql.com/downloads/api-jdbc-stable.html
-->


<local-tx-datasource>
  <jndi-name>MySqlDS</jndi-name>
  <connection-url>jdbc:mysql://localhost:3306/customerdb</connection-url>
  <driver-class>com.mysql.jdbc.Driver</driver-class>
  <user-name>root</user-name>
 
  <exception-sorter-class-name>org.jboss.resource.adapter.jdbc.vendor.MySQLExceptionSorter</exception-sorter-class-name>
  <!-- should only be used on drivers after 3.22.1 with "ping" support
  <valid-connection-checker-class-name>org.jboss.resource.adapter.jdbc.vendor.MySQLValidConnectionChecker</valid-connection-checker-class-name>
  -->
  <!-- sql to call when connection is created
  <new-connection-sql>some arbitrary sql</new-connection-sql>
   -->
  <!-- sql to call on an existing pooled connection when it is obtained from pool - MySQLValidConnectionChecker is preferred for newer drivers
  <check-valid-connection-sql>some arbitrary sql</check-valid-connection-sql>
   -->

  <!-- corresponding type-mapping in the standardjbosscmp-jdbc.xml (optional) -->
 
    <type-mapping>mySQL</type-mapping>
 
</local-tx-datasource>





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