Hi there,
I have an application packaged in an .ear file.
It has 3 jars.
I've included a persistence.xml file in each jar, because all EJBs point to the 
same persistence unit name (they are already compiled this way).
I cannot specify a different datasource for that same persistence unit name.
Is this possible? (isolating config options for a same name persistence unit 
between different jars in an ear) It seems to me that the first persistence.xml 
file loaded is taken and the parameters from the rest are ignored. Here is one 
of my persistence.xml files. (what I changes over them is "<jta-data-source>" 
parameter trying to point to another data source, with no success)

Thanks for any help,
Ignacio


 <?xml version="1.0" encoding="UTF-8" ?>
  | <persistence xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
  |              xsi:schemaLocation="http://java.sun.com/xml/ns/persistence 
http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd";
  |              version="1.0" xmlns="http://java.sun.com/xml/ns/persistence";>
  |   <persistence-unit name="mainPersistenceUnit">
  |             <jta-data-source>java:/tuportalDS</jta-data-source>
  |             <properties>
  |                     <property name="hibernate.dialect" 
value="org.hibernate.dialect.MySQLInnoDBDialect"/>
  |                     <property name="hibernate.connection.useUnicode" 
value="true" />
  |                     <property name="hibernate.connection.characterEncoding" 
value="UTF-8" />
  |             </properties>
  |     </persistence-unit>
  | </persistence>
  | 

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