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Is it possibile open an UserTransaction from a client ?
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created by <a href="https://community.jboss.org/people/warxsg">Stefano Gallina</a> in <i>EJB3</i> - <a href="https://community.jboss.org/message/726282#726282">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi all,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I have a Session bean:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>@Stateless</p><p>@TransactionManagement(TransactionManagementType.BEAN)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The session bean calls an entity bean and save the name and the surname in table called Customer</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I wanted to manage the transaction from a Java Client so  I wrote a Java the following code :</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  userTx = (UserTransaction) ctx.lookup("UserTransaction");</p><p>   userTx.begin();</p><p>    customerCreation.createSimpleCustomer("TestName", "TestSurname");</p><p>   userTx.commit();</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>When I run my  class I have the error:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>[STDERR] javax.persistence.TransactionRequiredException: EntityManager must be access within a transaction</p><p>[STDERR]           at org.jboss.jpa.deployment.ManagedEntityManagerFactory.verifyInTx(ManagedEntityManagerFactory.java:155)</p><p>[STDERR]           at org.jboss.jpa.tx.TransactionScopedEntityManager.persist(TransactionScopedEntityManager.java:186)</p><p>[STDERR]           at com.allianzppu.b2x.CustomerCreation.createSimpleCustomer(CustomerCreation.java:47)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>If I manage the transaction inside the mehod of my session bean everything works.</p><p>Any suggestion ?</p><p>Cheers.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>            warxsg</p></div>
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