[jboss-user] [Beginners Corner] - How to configure XA Datasource for JBoss 4.2.2 and Postgres?

[allapetrova]

I am on JBoss 4.2.2 and I need to configure XA Datasource for Postgres.
Here is exempt from my postgres-ds.xml



  | <datasources>
  |   <xa-datasource>
  |     <jndi-name>DefaultDS</jndi-name>
  |     <connection-url>jdbc:postgresql://some_url/ecommdb</connection-url>
  |     <driver-class>org.postgresql.Driver</driver-class>
  |    <user-name>some_name</user-name>  
  |     <password>foo</password>
  | 
  |     <!-- sql to call when connection is created -->
  |     <new-connection-sql>select count(*) from status</new-connection-sql>
  |     
  |     <!-- sql to call on an existing pooled connection when it is obtained from pool  -->
  |     <check-valid-connection-sql>select count(*) from status</check-valid-connection-sql>
  |  
  |     <!-- corresponding type-mapping in the standardjbosscmp-jdbc.xml (optional) -->
  |     <metadata>
  |      <type-mapping>PostgreSQL 7.2</type-mapping>
  |     </metadata>
  |  </xa-datasource>
  | ......
  | </datasources> 	



But when I try connecting to this database I get the following exception:


anonymous wrote : Caused by: org.jboss.resource.JBossResourceException: Could not create connection; - nested throwable: (org.jboss.resource.JBossResourceException: No XADataSourceClass supplied!)
  | at org.jboss.resource.adapter.jdbc.xa.XAManagedConnectionFactory.createManagedConnection(XAManagedConnectionFactory.java:144)
  | at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.createConnectionEventListener(InternalManagedConnectionPool.java:577)
  | at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.getConnection(InternalManagedConnectionPool.java:262)
  | at org.jboss.resource.connectionmanager.JBossManagedConnectionPool$BasePool.getConnection(JBossManagedConnectionPool.java:500)
  | at org.jboss.resource.connectionmanager.BaseConnectionManager2.getManagedConnection(BaseConnectionManager2.java:341)
  | at org.jboss.resource.connectionmanager.TxConnectionManager.getManagedConnection(TxConnectionManager.java:315)
  | at org.jboss.resource.connectionmanager.BaseConnectionManager2.allocateConnection(BaseConnectionManager2.java:396)
  | at org.jboss.resource.connectionmanager.BaseConnectionManager2$ConnectionManagerProxy.allocateConnection(BaseConnectionManager2.java:842)
  | at org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:88)
  | ... 84 more


What did I miss?
Thanks in advance for any help you can give.

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