Reproducer for native build failing due to UUID[] not being registere…

…d for reflection

This seems to only affect PostgreSQL, so I didn't add tests for other DBs.

integration-tests/jpa-postgresql/src/main/java/io/quarkus/it/jpa/postgresql/JPAFunctionalityTestEndpoint.java

@@ -57,6 +57,8 @@ private static void doStuffWithHibernate(EntityManagerFactory entityManagerFacto
 
         deleteAllPerson(entityManagerFactory);
 
+        // Try an entity using a UUID
+        verifyUUIDEntity(entityManagerFactory);
     }
 
     private static void verifyJPANamedQuery(final EntityManagerFactory emf) {
@@ -144,6 +146,27 @@ private static String randomName() {
         return UUID.randomUUID().toString();
     }
 
+    private static void verifyUUIDEntity(final EntityManagerFactory emf) {
+        EntityManager em = emf.createEntityManager();
+        EntityTransaction transaction = em.getTransaction();
+        transaction.begin();
+        MyUUIDEntity myEntity = new MyUUIDEntity();
+        myEntity.setName("George");
+        em.persist(myEntity);
+        transaction.commit();
+        em.close();
+
+        em = emf.createEntityManager();
+        transaction = em.getTransaction();
+        transaction.begin();
+        myEntity = em.find(MyUUIDEntity.class, myEntity.getId());
+        if (myEntity == null || !"George".equals(myEntity.getName())) {
+            throw new RuntimeException("Incorrect loaded MyUUIDEntity " + myEntity);
+        }
+        transaction.commit();
+        em.close();
+    }
+
     private void reportException(String errorMessage, final Exception e, final HttpServletResponse resp) throws IOException {
         final PrintWriter writer = resp.getWriter();
         if (errorMessage != null) {

integration-tests/jpa-postgresql/src/main/java/io/quarkus/it/jpa/postgresql/MyUUIDEntity.java

@@ -0,0 +1,41 @@
+package io.quarkus.it.jpa.postgresql;
+
+import java.util.UUID;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+
+@Entity(name = "uuidentity")
+public class MyUUIDEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.UUID)
+    private UUID id;
+    private String name;
+
+    public MyUUIDEntity() {
+    }
+
+    public MyUUIDEntity(UUID id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public UUID getId() {
+        return id;
+    }
+
+    public void setId(UUID id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}