Hi Annette, It looks like OpenJPA tried to lookup java:comp/jdbc/selektionendb and failed. I think the usual namespace is java:comp/*env*/. You might just be missing 'env' in persistence.xml.
hope this helps, -mike On Thu, Jul 9, 2009 at 7:56 AM, Scherer, Annette < [email protected]> wrote: > Hello, > > I have a problem, when trying to create an EntityManager. > > I'm using the persistence.xml beneath, which indicates to use managed > transactions and managed ConnectionFactoryMode (see below). > > <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="Selektionen_DB"> > <provider> > > org.apache.openjpa.persistence.PersistenceProviderImpl > </provider> > > <jta-data-source>java:comp/jdbc/selektionendb</jta-data-source> > <properties> > <property name="openjpa.TransactionMode" > value="managed"/> > <property name="openjpa.ConnectionFactoryMode" > value="managed"/> > <property name="openjpa.jdbc.DBDictionary" > value="db2"/> > <property name="openjpa.jdbc.Schema" value="T7"/> > </properties> > </persistence-unit> > </persistence> > > Configuration Deploymentdescriptor Session Bean: > jdbc/selektionendb is configured in Deployment Descriptor of the > SessionBean that contains the JPA Operation > > Configuration JDBC provider on WAS70: > DB2 Universal JDBC Driver Provider > One-phase commit DB2 JCC provider that supports JDBC 3.0. Data sources that > use this provider support only 1-phase commit processing, unless you use > driver type 2 with the application server for z/OS. If you use the > application server for z/OS, driver type 2 uses RRS and supports 2-phase > commit processing. > > Configuration DB Source on WAS70: > Selektionen_DB jdbc/selektionendb > DB2 Universal JDBC Driver Provider > DB2 Universal Driver Datasource > > Log Output: > Beim Initialisieren der Konfiguration sind Fehler aufgetreten: > <openjpa-1.2.1-SNAPSHOT-r422266:686069 fatal user error> > org.apache.openjpa.util.UserException: Es muss der Name eines JDBC-Treibers > oder einer DataSource-Klasse in der Eigenschaft ConnectionDriverName > angegeben werden. > at > org.apache.openjpa.jdbc.schema.DataSourceFactory.newDataSource(DataSourceFactory.java:74) > at > org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl.createConnectionFactory(JDBCConfigurationImpl.java:784) > at > org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl.getConnectionFactory(JDBCConfigurationImpl.java:691) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:45) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37) > at java.lang.reflect.Method.invoke(Method.java:599) > > This exception is thrown, wenn executing the createEntityManager() > Statement (see below) > this.setEmf(Persistence.createEntityManagerFactory("Selektionen_DB")); > this.getEmf().createEntityManager(); > > > Thank you for help > Annette Scherer > Abteilung Informatik >
