javax.servlet.ServletException: HV000030: No validator could be found for type: java.lang.Integer
I have to update information in my database. FacadePatient.java class code: public Patient update(Patient p) { Patient pat = em.find(Patient.class, p.getPatientId()); p.setPatientPhone(pat.getPatientPhone()); p.setPatientDateNaiss(pat.getPatientDateNaiss()); p.setPatientEmail(pat.getPatientEmail()); p.setPatientJob(pat.getPatientJob()); p.setPatientSmoking(pat.getPatientSmoking()); p.setPatientSize(pat.getPatientSize()); em.merge(pat); return p; } HV000030: No validator could be found for type: java.lang.Integer That will happen when you use JSR303 bean validation in flavor of Hibernate