Thomas, When you run your application in JSE, that is, outside an application server, you usually should configure the persistence.xml to use entity manager transactions instead of JTA. Please change "transaction-type" attribute like below and see whether anything changed:
<persistence-unit name="ExampleJPA" transaction-type="RESOURCE_LOCAL"> Cheers, Milosz > persistence.xml > > <?xml version="1.0" encoding="UTF-8"?> > <persistence version="1.0" 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";> > <persistence-unit name="ExampleJPA" transaction-type="JTA"> > > <provider>org.apache.openjpa.persistence.PersistenceProviderImpl</provider> > <class>com.trukoda.examples.jpa.Account</class> > <class>com.trukoda.examples.jpa.Host</class> > <properties> > <!-- > <property name="openjpa.ConnectionDriverName" > value="org.hsqldb.jdbcDriver"/> > <property name="openjpa.ConnectionURL" > value="jdbc:hsqldb:file:/tmp/JPA-Test" /> > <property name="openjpa.ConnectionUserName" value="sa" > /> > <property name="openjpa.ConnectionPassword" value="" /> > <property name="openjpa.Log" value="DefaultLevel=WARN, > Runtime=INFO, Tool=INFO, SQL=TRACE > Runtime=INFO, Tool=INFO, SQL=TRACE"/> > --> > <property name="openjpa.ConnectionURL" > value="jdbc:derby:build/openjpa-database;create=true"/> > <property name="openjpa.ConnectionDriverName" > value="org.apache.derby.jdbc.EmbeddedDriver"/> > <property name="openjpa.ConnectionUserName" value="user"/> > <property name="openjpa.ConnectionPassword" value="secret"/> > > </properties> > </persistence-unit> > > </persistence> > > > Thanks for looking at this. > > Thomas > On Jan 19, 2010, at 4:54 PM, Miłosz Tylenda wrote: > > > Thomas, > > > > Can you check or post your persistence.xml? Maybe you configured your > > ExampleJPA persistence unit to use JTA transactions instead of entity > > manager (RESOURCE_LOCAL) transactions. > > > > Greetings, > > Milosz > > > >> I am not running this from an IDE. Command line using ant for > >> compiles and enhancement but not to run the main doing that by hand > >> > >> Thanks for looking at my issue > >> Thomas > >> > >> Sent from my iPhone > >> > >> On Jan 19, 2010, at 5:20, Jean-Baptiste BRIAUD -- Novlog > >> <j-b.bri...@novlog.com > >>> wrote: > >> > >>> Maybe a classpath issue in the IDE project's config ? > >>> > >>> On Jan 18, 2010, at 02:15 , Thomas Polliard wrote: > >>> > >>>> Doing an example trying to learn OpenJPA and JPA I ran into a > >>>> strange problem. > >>>> > >>>> java.lang.ClassNotFoundException: > >>>> com.arjuna.jta.JTA_TransactionManager > >>>> java.lang.ClassNotFoundException: > >>>> com.bluestone.jta.SaTransactionManagerFactory > >>>> java.lang.ClassNotFoundException: org.openejb.OpenEJB > >>>> java.lang.ClassNotFoundException: > >>>> com.sun.jts.jta.TransactionManagerImpl > >>>> java.lang.ClassNotFoundException: > >>>> com.inprise.visitransact.jta.TransactionManagerImpl > >>>> > >>>> > >>>> I am not using "Any of these yet for some reason, I am getting this > >>>> error" > >>>> > >>>> The problem is Only when I run the main program: > >>>> > >>>> Main.java > >>>> package com.trukoda.examples.jpa; > >>>> > >>>> import javax.persistence.EntityManager; > >>>> import javax.persistence.EntityManagerFactory; > >>>> import javax.persistence.Persistence; > >>>> > >>>> public class Main { > >>>> public static void main(String[] args) { > >>>> EntityManagerFactory factory = > >>>> Persistence.createEntityManagerFactory("ExampleJPA"); > >>>> Account user1 = new Account("polliard"); > >>>> Account user2 = new Account("mcclung"); > >>>> > >>>> Host host1 = new Host("uranium"); > >>>> Host host2 = new Host("thorium"); > >>>> > >>>> EntityManager em = factory.createEntityManager(); > >>>> > >>>> em.getTransaction().begin(); > >>>> em.persist(host1); > >>>> em.persist(host2); > >>>> em.getTransaction().commit(); > >>>> } > >>>> } > >>>> > >>>> Any idea why this this would causes classes I am not referencing > >>>> from being loaded. > >>>> > >>>> I am including the following in my classpath: > >>>> > >>>> .:/Users/polliard/Library/Java/Derby/10.5.3.0/derby.jar:/Users/ > >>>> polliard/Library/Java/Openjpa/2.0-M3/openjpa-all-2.0.0-M3.jar > >>>> > >>>> The two accounts (Account and Host) are basic Entities and the > >>>> database gets created without issue using the mappingtool. > >>>> > >>>> Thanks for any assistance, > >>>> > >>>> Thomas > >>> > >> >
