Hi all,

Im developing and EJB 3.0 application with JBOSS 4.0.4.GA and NB 5.5. Im having an error below:

2006-10-18 14:11:08,690 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/CRM-war].[PlaceBean]] Servlet.service() for servlet PlaceBean threw exception
javax.ejb.EJBException: javax.persistence.NonUniqueResultException: org.hibernate.NonUniqueResultException: query did not return a unique result: 161
 at org.jboss.ejb3.tx.Ejb3TxPolicy.handleExceptionInOurTx(Ejb3TxPolicy.java:69)
 at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:83)
 at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:197)
 at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
 at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76)
 at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
 at org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:62)

@Entity
@Table(name = "tblCountry")
public class TblCountry implements Serializable {

 @Id
 @Column(name = "IDCountry", nullable = false)
 private Integer iDCountry;

 @Column(name = "strCountry", nullable = false)
 private String strCountry;

 @Column(name = "strRegion")
 private String strRegion;