diff --git a/src/main/java/org/springframework/samples/petclinic/repository/jpa/JpaOwnerRepositoryImpl.java b/src/main/java/org/springframework/samples/petclinic/repository/jpa/JpaOwnerRepositoryImpl.java
index 3b85bfd..acebc63 100644
--- a/src/main/java/org/springframework/samples/petclinic/repository/jpa/JpaOwnerRepositoryImpl.java
+++ b/src/main/java/org/springframework/samples/petclinic/repository/jpa/JpaOwnerRepositoryImpl.java
@@ -45,7 +45,7 @@ public class JpaOwnerRepositoryImpl implements OwnerRepository {
public Collection<Owner> findByLastName(String lastName) {
// using 'join fetch' because a single query should load both owners and pets
// using 'left join fetch' because it might happen that an owner does not have pets yet
- Query query = this.em.createQuery("SELECT owner FROM Owner owner left join fetch owner.pets WHERE owner.lastName LIKE :lastName");
+ Query query = this.em.createQuery("SELECT DISTINCT owner FROM Owner owner left join fetch owner.pets WHERE owner.lastName LIKE :lastName");
query.setParameter("lastName", lastName + "%");
return query.getResultList();
}
diff --git a/src/main/java/org/springframework/samples/petclinic/repository/springdatajpa/JpaOwnerRepositoryImpl.java b/src/main/java/org/springframework/samples/petclinic/repository/springdatajpa/JpaOwnerRepositoryImpl.java
index e6d050e..1ce4a6a 100644
--- a/src/main/java/org/springframework/samples/petclinic/repository/springdatajpa/JpaOwnerRepositoryImpl.java
+++ b/src/main/java/org/springframework/samples/petclinic/repository/springdatajpa/JpaOwnerRepositoryImpl.java
@@ -43,7 +43,7 @@ public class JpaOwnerRepositoryImpl implements OwnerRepository {
public Collection<Owner> findByLastName(String lastName) {
// using 'join fetch' because a single query should load both owners and pets
// using 'left join fetch' because it might happen that an owner does not have pets yet
- Query query = this.em.createQuery("SELECT owner FROM Owner owner left join fetch owner.pets WHERE owner.lastName LIKE :lastName");
+ Query query = this.em.createQuery("SELECT DISTINCT owner FROM Owner owner left join fetch owner.pets WHERE owner.lastName LIKE :lastName");
query.setParameter("lastName", lastName + "%");
return query.getResultList();
}