Native query with named parameter fails with “Not all named parameters have been set”

Question

I want to execute a simple native query, but it does not work:

@Autowired
private EntityManager em;

Query q = em.createNativeQuery(\"SELECT count(*) FROM my         


        

Answer 1

Use set Parameter from query.

Query q = (Query) em.createNativeQuery("SELECT count(*) FROM mytable where username = ?1");
q.setParameter(1, "test");