[jboss-user] [EJB 3.0] - multiple persistence unit in one persistence.xml

nzhiv do-not-reply at jboss.com
Tue Mar 27 03:57:00 EDT 2007


Can I use two and more datasource in one persistence.xml?

When I use one persistence-unit tag in persistence.xml, it's work.
When I added second persistence-unit tag in persistence.xml I received next error message

anonymous wrote : 2007-03-26 16:18:24,646 WARN  [org.jboss.resource.connectionmanager.JBossManagedConnectionPool] Throwable while attempting to get a new connection: null
  | org.jboss.resource.JBossResourceException: Could not create connection; - nested throwable: (java.sql.SQLException: ?????????? ?????/??????: Connection refused(DESCRIPTION=(TMP=)(VSNNUM=153093120)(ERR=12505)(ERROR_STACK=(ERROR=(CODE=12505)(EMFI=4)))))
  | 	at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:179)
  | 	at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.createConnectionEventListener(InternalManagedConnectionPool.java:565)
  | 	at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.getConnection(InternalManagedConnectionPool.java:250)
  | 	at org.jboss.resource.connectionmanager.JBossManagedConnectionPool$BasePool.getConnection(JBossManagedConnectionPool.java:491)
  | 	at org.jboss.resource.connectionmanager.BaseConnectionManager2.getManagedConnection(BaseConnectionManager2.java:341)
  | 	at org.jboss.resource.connectionmanager.TxConnectionManager.getManagedConnection(TxConnectionManager.java:301)
  | 	at org.jboss.resource.connectionmanager.BaseConnectionManager2.allocateConnection(BaseConnectionManager2.java:396)
  | 	at org.jboss.resource.connectionmanager.BaseConnectionManager2$ConnectionManagerProxy.allocateConnection(BaseConnectionManager2.java:842)
  | 	at org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:88)
  | 	at org.hibernate.connection.DatasourceConnectionProvider.getConnection(DatasourceConnectionProvider.java:69)
  | 	at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:76)
  | 	at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:1933)
  | 	at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1216)
  | 	at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:688)
  | 	at org.hibernate.ejb.HibernatePersistence.createContainerEntityManagerFactory(HibernatePersistence.java:127)
  | 	at org.jboss.ejb3.entity.PersistenceUnitDeployment.start(PersistenceUnitDeployment.java:264)
  | 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  | 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  | 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  | 	at java.lang.reflect.Method.invoke(Method.java:585)
  | 	at org.jboss.ejb3.ServiceDelegateWrapper.startService(ServiceDelegateWrapper.java:102)
  |   .......
  |   
  
My persistence.xml :
<?xml version="1.0" encoding="UTF-8"?>
  | <persistence> 
  |   <persistence-unit name="clrProd" transaction-type="JTA">
  |   	<jta-data-source>java:/jdbc/ClrProdDS</jta-data-source>
  |   	<properties>
  | 	  <property name="hibernate.dialect" value="org.hibernate.dialect.Oracle9Dialect"/>
  | 	  </properties>
  | 	</persistence-unit>
  | 
  |   <persistence-unit name="clrArch">
  |   	<jta-data-source>java:/jdbc/ClrArchDS</jta-data-source>
  |   	<provider>org.hibernate.ejb.HibernatePersistence</provider>
  |   	<properties>
  |   	  <property name="hibernate.dialect" value="org.hibernate.dialect.Oracle9Dialect"/>
  |   	</properties>
  |   </persistence-unit>
  | </persistence>

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