[개발환경]spring boot 2.0hibernate 5.2.17.Final 그 동안 JpaRepository를 사용한 HQL만 사용하다가 createQuery 라던가, Criteria 등을 사용해보려고 ssession을 만들려 했다.처음엔 HibernateUtil 이란 이름의 클래스 들이 검색이 되었다.&nbsp; hibernate 5.2 버전에선 이전 소스들과 다른 부분이 있었고, 대충 찾아서 구현을 했었는데, 아래 소스와 굳이 차이점을 두면서 까지 만들이유가 없어보여서 샘플로 만든걸 올려본다.&nbsp; <div class="txc-textbox" style="border-style: solid; border-width: 1px; border-color: rgb(254, 254, 184); background-color: rgb(254, 254, 184); padding: 10px;">@Slf4j@Service("workLogService")public class WorkLogServiceImpl implements WorkLogService {&nbsp;&nbsp;&nbsp;&nbsp; @PersistenceContext&nbsp;&nbsp;&nbsp; private EntityManager em;&nbsp;&nbsp;&nbsp;&nbsp; public String getVersion() {&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Session
session = em.unwrap(Session.class);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Transaction
tx = session.beginTransaction();&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; try {&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; String
sql = "select
version()";&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; String
&nbsp; result =
(String)
session.createNativeQuery(sql).getSingleResult();&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; System.out.println(result);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; tx.commit();&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return result;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; } catch (RuntimeException he)
{&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; try{&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; tx.rollback();&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp; }catch(RuntimeException
rbe){&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; log.error("Couldn’t roll back transaction", rbe);&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp; }&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; he.printStackTrace();&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp; throw
he;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; } finally {&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; session.close();&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }&nbsp;&nbsp;&nbsp; }























































}</div>

[hibernate] ssesionFactory, session