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  • #16
    Please wait for Roo 1.1M3 with GWT 2.1M3 for improvements in relationship handling - by end August

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    • #17
      I'm brand new to ROO. I brought up the expense app using ROO 1.1.0.RC1

      And I made an attempt to change the persistence.xml to use JPA for the entities I'm going to create next (this is where I'm coming from: http://code.google.com/appengine/doc.../usingjpa.html):

      Code:
      <?xml version="1.0" encoding="UTF-8" ?>
      <persistence xmlns="http://java.sun.com/xml/ns/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">
      
      	<persistence-unit name="transactions-optional">
      		<provider>org.datanucleus.store.appengine.jpa.DatastorePersistenceProvider</provider>
      		<properties>
      			<property name="datanucleus.NontransactionalRead" value="true" />
      			<property name="datanucleus.NontransactionalWrite" value="true" />
      			<property name="datanucleus.ConnectionURL" value="appengine" />
      		</properties>
      	</persistence-unit>
      </persistence>
      I fired it up in STS 2.5.0.RC1 and it gave me a class not found: org.datanucleus.store.appengine.jpa.DatastorePersi stenceProvider

      I know I'm probably missing a ton of stuff here, but could someone give me a hint on what is need to get it to play nice with the way GAE works today? Or let me know if this isn't supported and I shouldn't bother trying.
      Last edited by donut; Oct 24th, 2010, 05:03 PM.

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