"status": 500 오류 관련 질문입니다.

Question

안녕하세요

현재 간단한 주문조회 V4 : JPA에서 DTO로 바로조회 부분을 수강 중에 생긴 오류입니다.

아래 그림과 같이

오류가 뜨는데, 서버가 실행 되지 않아 생긴 오류는 아닌 것 같습니다.

package jpabook.jpashop.api;

import jpabook.jpashop.domain.Address;
import jpabook.jpashop.domain.Order;
import jpabook.jpashop.domain.OrderStatus;
import jpabook.jpashop.repository.OrderRepository;
import jpabook.jpashop.repository.OrderSearch;
import jpabook.jpashop.repository.OrderSimpleQueryDto;
import lombok.Data;
import lombok.RequiredArgsConstructor;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

import java.time.LocalDateTime;
import java.util.List;
import java.util.stream.Collectors;

import static java.util.stream.Collectors.toList;

/**
 * xToOne
 * Order
 * Order -> Member
 * Order -> Delivery
 */
@RestController
@RequiredArgsConstructor
public class OrderSimpleApiController {

    private final OrderRepository orderRepository;

    @GetMapping("/api/v1/simple-orders")
    public List<Order> ordersV1() {
        List<Order> all = orderRepository.findAllByString(new OrderSearch());
        for (Order order : all) {
            order.getMember().getName(); //Lazy 강제 초기화
            order.getDelivery().getAddress(); //Lazy 강제 초기화
        }
        return all;
    }

    @GetMapping("/api/v2/simple-orders")
    public List<SimpleOrderDto> ordersV2() {
        //ORDER 2개
        //N + 1 -> 1 + 회원 N(2) + 배송 N

        List<Order> orders = orderRepository.findAllByString(new OrderSearch());

        List<SimpleOrderDto> result = orders.stream()
                .map(o -> new SimpleOrderDto(o))
                .collect(toList());

        return result;
    }

    @GetMapping("/api/v3/simple-orders")
    public List<SimpleOrderDto> ordersV3() {

        List<Order> orders = orderRepository.findAllWithMemberDelivery();

        List<SimpleOrderDto> result = orders.stream()
                .map(o -> new SimpleOrderDto(o))
                .collect(Collectors.toList());

        return result;
    }

    @GetMapping("/api/v4/simple-orders")
    public List<OrderSimpleQueryDto> ordersV4() {
        return orderRepository.findOrderDtos();
    }

    @Data
    static class SimpleOrderDto {
        private Long orderId;
        private String name;
        private LocalDateTime orderDate;
        private OrderStatus orderStatus;
        private Address address;

        public SimpleOrderDto(Order order) {
            orderId = order.getId();
            name = order.getMember().getName();
            orderDate = order.getOrderDate();
            orderStatus = order.getStatus();
            address = order.getDelivery().getAddress();
        }
    }
}

package jpabook.jpashop.repository;

import jpabook.jpashop.domain.Order;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Repository;
import org.springframework.util.StringUtils;

import javax.persistence.EntityManager;
import javax.persistence.TypedQuery;
import javax.persistence.criteria.*;
import java.util.ArrayList;
import java.util.List;

@Repository
@RequiredArgsConstructor
public class OrderRepository {

    private final EntityManager em;

    public void save(Order order) {
        em.persist(order);
    }

    public Order findOne(Long id) {
        return em.find(Order.class, id);
    }

    public List<Order> findAllByString(OrderSearch orderSearch) {
        //language=JPAQL
        String jpql = "select o From Order o join o.member m";
        boolean isFirstCondition = true;
//주문 상태 검색
        if (orderSearch.getOrderStatus() != null) {
            if (isFirstCondition) {
                jpql += " where";
                isFirstCondition = false;
            } else {
                jpql += " and";
            }
            jpql += " o.status = :status";
        }
//회원 이름 검색
        if (StringUtils.hasText(orderSearch.getMemberName())) {
            if (isFirstCondition) {
                jpql += " where";
                isFirstCondition = false;
            } else {
                jpql += " and";
            }
            jpql += " m.name like :name";
        }

        TypedQuery<Order> query = em.createQuery(jpql, Order.class)
                .setMaxResults(1000); //최대 1000건

        if (orderSearch.getOrderStatus() != null) {
            query = query.setParameter("status", orderSearch.getOrderStatus());
        }
        if (StringUtils.hasText(orderSearch.getMemberName())) {
            query = query.setParameter("name", orderSearch.getMemberName());
        }
        return query.getResultList();
    }

    /**
     * JPA Criteria
     */
    public List<Order> findAllByCriteria(OrderSearch orderSearch) {
        CriteriaBuilder cb = em.getCriteriaBuilder();
        CriteriaQuery<Order> cq = cb.createQuery(Order.class);
        Root<Order> o = cq.from(Order.class);
        Join<Object, Object> m = o.join("member", JoinType.INNER);

        List<Predicate> criteria = new ArrayList<>();

        //주문 상태 검색
        if (orderSearch.getOrderStatus() != null) {
            Predicate status = cb.equal(o.get("status"), orderSearch.getOrderStatus());
            criteria.add(status);
        }
        //회원 이름 검색
        if (StringUtils.hasText(orderSearch.getMemberName())) {
            Predicate name =
                    cb.like(m.<String>get("name"), "%" +
                            orderSearch.getMemberName() + "%");
            criteria.add(name);

        }
        cq.where(cb.and(criteria.toArray(new Predicate[criteria.size()])));
        TypedQuery<Order> query = em.createQuery(cq).setMaxResults(1000); //최대 1000건
        return query.getResultList();
    }

    public List<Order> findAllWithMemberDelivery() {
        return em.createQuery(

                "select o from Order o" +
                        " join fetch o.member m" +
                        " join fetch o.delivery d", Order.class)
            .getResultList();
}


    public List<OrderSimpleQueryDto> findOrderDtos() {
        return em.createQuery(
                "select new jpabook.jpashop.repository.order.simplequery.OrderSimpleQueryDto(o.id, m.name, o.orderDate, o.status, d.address)" +
                        " from Order o" +
                        " join o.member m" +
                        " join o.delivery d", OrderSimpleQueryDto.class)
        .getResultList();

    }
}

package jpabook.jpashop.repository;

import jpabook.jpashop.domain.Address;
import jpabook.jpashop.domain.OrderStatus;
import lombok.Data;

import java.time.LocalDateTime;

@Data
    public class OrderSimpleQueryDto {
        private Long orderId;
        private String name;
        private LocalDateTime orderDate;
        private OrderStatus orderStatus;
        private Address address;

        public OrderSimpleQueryDto(Long orderId, String name, LocalDateTime orderDate, OrderStatus orderStatus, Address address) {
            this.orderId = orderId;
            this.name = name;
            this.orderDate = orderDate;
            this.orderStatus = orderStatus;
            this.address = address;
        }
    }

2022-05-31 02:13:36.433 ERROR 1563 --- [nio-8080-exec-4] o.h.hql.internal.ast.ErrorTracker : Unable to locate class [jpabook.jpashop.repository.order.simplequery.OrderSimpleQueryDto]

[cause=org.hibernate.boot.registry.classloading.spi.ClassLoadingException: Unable to load class [jpabook.jpashop.repository.order.simplequery.OrderSimpleQueryDto]]

2022-05-31 02:13:36.436 ERROR 1563 --- [nio-8080-exec-4] o.h.hql.internal.ast.ErrorTracker : Unable to locate class [jpabook.jpashop.repository.order.simplequery.OrderSimpleQueryDto]

[cause=org.hibernate.boot.registry.classloading.spi.ClassLoadingException: Unable to load class [jpabook.jpashop.repository.order.simplequery.OrderSimpleQueryDto]]

org.hibernate.hql.internal.ast.DetailedSemanticException: Unable to locate class [jpabook.jpashop.repository.order.simplequery.OrderSimpleQueryDto]

at org.hibernate.hql.internal.ast.tree.ConstructorNode.resolveConstructor(ConstructorNode.java:177) ~[hibernate-core-5.6.8.Final.jar:5.6.8.Final]

at org.hibernate.hql.internal.ast.tree.ConstructorNode.prepare(ConstructorNode.java:144) ~[hibernate-core-5.6.8.Final.jar:5.6.8.Final]

at org.hibernate.hql.internal.ast.HqlSqlWalker.processConstructor(HqlSqlWalker.java:1271) ~[hibernate-core-5.6.8.Final.jar:5.6.8.Final]

at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.selectExpr(HqlSqlBaseWalker.java:2409) ~[hibernate-core-5.6.8.Final.jar:5.6.8.Final]

at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.selectExprList(HqlSqlBaseWalker.java:2275) ~[hibernate-core-5.6.8.Final.jar:5.6.8.Final]

at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.selectClause(HqlSqlBaseWalker.java:1534) ~[hibernate-core-5.6.8.Final.jar:5.6.8.Final]

at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.query(HqlSqlBaseWalker.java:611) ~[hibernate-core-5.6.8.Final.jar:5.6.8.Final]

at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.selectStatement(HqlSqlBaseWalker.java:339) ~[hibernate-core-5.6.8.Final.jar:5.6.8.Final]

at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.statement(HqlSqlBaseWalker.java:287) ~[hibernate-core-5.6.8.Final.jar:5.6.8.Final]

at org.hibernate.hql.internal.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:276) ~[hibernate-core-5.6.8.Final.jar:5.6.8.Final]

at org.hibernate.hql.internal.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:192) ~[hibernate-core-5.6.8.Final.jar:5.6.8.Final]

at org.hibernate.hql.internal.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:144) ~[hibernate-core-5.6.8.Final.jar:5.6.8.Final]

at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:113) ~[hibernate-core-5.6.8.Final.jar:5.6.8.Final]

at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:73) ~[hibernate-core-5.6.8.Final.jar:5.6.8.Final]

at org.hibernate.engine.query.spi.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:162) ~[hibernate-core-5.6.8.Final.jar:5.6.8.Final]

at org.hibernate.internal.AbstractSharedSessionContract.getQueryPlan(AbstractSharedSessionContract.java:636) ~[hibernate-core-5.6.8.Final.jar:5.6.8.Final]

at org.hibernate.internal.AbstractSharedSessionContract.createQuery(AbstractSharedSessionContract.java:748) ~[hibernate-core-5.6.8.Final.jar:5.6.8.Final]

at org.hibernate.internal.AbstractSharedSessionContract.createQuery(AbstractSharedSessionContract.java:848) ~[hibernate-core-5.6.8.Final.jar:5.6.8.Final]

at org.hibernate.internal.AbstractSharedSessionContract.createQuery(AbstractSharedSessionContract.java:114) ~[hibernate-core-5.6.8.Final.jar:5.6.8.Final]

at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]

at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:na]

at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]

at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na]

at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerInvocationHandler.invoke(ExtendedEntityManagerCreator.java:362) ~[spring-orm-5.3.19.jar:5.3.19]

at com.sun.proxy.$Proxy110.createQuery(Unknown Source) ~[na:na]

at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]

at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:na]

at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]

at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na]

at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:311) ~[spring-orm-5.3.19.jar:5.3.19]

at com.sun.proxy.$Proxy110.createQuery(Unknown Source) ~[na:na]

at jpabook.jpashop.repository.OrderRepository.findOrderDtos(OrderRepository.java:105) ~[classes/:na]

at jpabook.jpashop.repository.OrderRepository$$FastClassBySpringCGLIB$$9808961b.invoke(<generated>) ~[classes/:na]

at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) ~[spring-core-5.3.19.jar:5.3.19]

at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:793) ~[spring-aop-5.3.19.jar:5.3.19]

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) ~[spring-aop-5.3.19.jar:5.3.19]

at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:763) ~[spring-aop-5.3.19.jar:5.3.19]

at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137) ~[spring-tx-5.3.19.jar:5.3.19]

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.19.jar:5.3.19]

at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:763) ~[spring-aop-5.3.19.jar:5.3.19]

at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:708) ~[spring-aop-5.3.19.jar:5.3.19]

at jpabook.jpashop.repository.OrderRepository$$EnhancerBySpringCGLIB$$3bdf9949.findOrderDtos(<generated>) ~[classes/:na]

at jpabook.jpashop.api.OrderSimpleApiController.ordersV4(OrderSimpleApiController.java:70) ~[classes/:na]

at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]

at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:na]

at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]

at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na]

at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205) ~[spring-web-5.3.19.jar:5.3.19]

at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:150) ~[spring-web-5.3.19.jar:5.3.19]

at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:117) ~[spring-webmvc-5.3.19.jar:5.3.19]

at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895) ~[spring-webmvc-5.3.19.jar:5.3.19]

at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:808) ~[spring-webmvc-5.3.19.jar:5.3.19]

at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-5.3.19.jar:5.3.19]

at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1067) ~[spring-webmvc-5.3.19.jar:5.3.19]

at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:963) ~[spring-webmvc-5.3.19.jar:5.3.19]

at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) ~[spring-webmvc-5.3.19.jar:5.3.19]

at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898) ~[spring-webmvc-5.3.19.jar:5.3.19]

at javax.servlet.http.HttpServlet.service(HttpServlet.java:655) ~[tomcat-embed-core-9.0.62.jar:4.0.FR]

at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) ~[spring-webmvc-5.3.19.jar:5.3.19]

at javax.servlet.http.HttpServlet.service(HttpServlet.java:764) ~[tomcat-embed-core-9.0.62.jar:4.0.FR]

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227) ~[tomcat-embed-core-9.0.62.jar:9.0.62]

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.62.jar:9.0.62]

at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-9.0.62.jar:9.0.62]

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.62.jar:9.0.62]

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.62.jar:9.0.62]

at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-5.3.19.jar:5.3.19]

at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.19.jar:5.3.19]

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.62.jar:9.0.62]

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.62.jar:9.0.62]

at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-5.3.19.jar:5.3.19]

at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.19.jar:5.3.19]

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.62.jar:9.0.62]

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.62.jar:9.0.62]

at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-5.3.19.jar:5.3.19]

at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.19.jar:5.3.19]

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.62.jar:9.0.62]

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.62.jar:9.0.62]

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:197) ~[tomcat-embed-core-9.0.62.jar:9.0.62]

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) ~[tomcat-embed-core-9.0.62.jar:9.0.62]

at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541) ~[tomcat-embed-core-9.0.62.jar:9.0.62]

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:135) ~[tomcat-embed-core-9.0.62.jar:9.0.62]

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) ~[tomcat-embed-core-9.0.62.jar:9.0.62]

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) ~[tomcat-embed-core-9.0.62.jar:9.0.62]

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:360) ~[tomcat-embed-core-9.0.62.jar:9.0.62]

at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:399) ~[tomcat-embed-core-9.0.62.jar:9.0.62]

at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) ~[tomcat-embed-core-9.0.62.jar:9.0.62]

at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:890) ~[tomcat-embed-core-9.0.62.jar:9.0.62]

at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1743) ~[tomcat-embed-core-9.0.62.jar:9.0.62]

at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ~[tomcat-embed-core-9.0.62.jar:9.0.62]

at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-9.0.62.jar:9.0.62]

at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-9.0.62.jar:9.0.62]

at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-9.0.62.jar:9.0.62]

at java.base/java.lang.Thread.run(Thread.java:834) ~[na:na]

2022-05-31 02:13:36.441 ERROR 1563 --- [nio-8080-exec-4] o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.springframework.dao.InvalidDataAccessApiUsageException: org.hibernate.hql.internal.ast.QuerySyntaxException: Unable to locate class [jpabook.jpashop.repository.order.simplequery.OrderSimpleQueryDto] [select new jpabook.jpashop.repository.order.simplequery.OrderSimpleQueryDto(o.id, m.name, o.orderDate, o.status, d.address) from jpabook.jpashop.domain.Order o join o.member m join o.delivery d]; nested exception is java.lang.IllegalArgumentException: org.hibernate.hql.internal.ast.QuerySyntaxException: Unable to locate class [jpabook.jpashop.repository.order.simplequery.OrderSimpleQueryDto] [select new jpabook.jpashop.repository.order.simplequery.OrderSimpleQueryDto(o.id, m.name, o.orderDate, o.status, d.address) from jpabook.jpashop.domain.Order o join o.member m join o.delivery d]] with root cause

org.hibernate.hql.internal.ast.QuerySyntaxException: Unable to locate class [jpabook.jpashop.repository.order.simplequery.OrderSimpleQueryDto] [select new jpabook.jpashop.repository.order.simplequery.OrderSimpleQueryDto(o.id, m.name, o.orderDate, o.status, d.address) from jpabook.jpashop.domain.Order o join o.member m join o.delivery d]

at org.hibernate.hql.internal.ast.QuerySyntaxException.convert(QuerySyntaxException.java:74) ~[hibernate-core-5.6.8.Final.jar:5.6.8.Final]

at org.hibernate.hql.internal.ast.ErrorTracker.throwQueryException(ErrorTracker.java:93) ~[hibernate-core-5.6.8.Final.jar:5.6.8.Final]

at org.hibernate.hql.internal.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:282) ~[hibernate-core-5.6.8.Final.jar:5.6.8.Final]