학습하는 분들께 도움이 되고, 더 좋은 답변을 드릴 수 있도록 질문전에 다음을 꼭 확인해주세요.1. 강의 내용과 관련된 질문을 남겨주세요.2. 인프런의 질문 게시판과 자주 하는 질문(링크)을 먼저 확인해주세요.(자주 하는 질문 링크: https://bit.ly/3fX6ygx)3. 질문 잘하기 메뉴얼(링크)을 먼저 읽어주세요.(질문 잘하기 메뉴얼 링크: https://bit.ly/2UfeqCG)질문 시에는 위 내용은 삭제하고 다음 내용을 남겨주세요.=========================================[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (예/아니오)2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/아니오)3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/아니오)[질문 내용]여기에 질문 내용을 남겨주세요.   가격에 문자를 입력하면 400 에러가 발생합니다. Controller @PostMapping("/add") public String addItemv3(@ModelAttribute Item item, RedirectAttributes redirectAttributes, BindingResult bindingResult) { // bindingResult 스프링 제공 검증 기능 //검증 로직 if(!StringUtils.hasText(item.getItemName())){ // bindingResult.addError(new FieldError("item","itemName","상품 이름은 필수 입니다.")); bindingResult.addError(new FieldError("item","itemName",item.getItemName(),false,new String[]{"required.item.itemName"},null,null)); } if (item.getPrice() == null || item.getPrice() < 1000 || item.getPrice() > 1000000) { // bindingResult.addError(new FieldError("item","price","가격은 1,000 ~ 1,000,000 까지 허용합니다.")); bindingResult.addError(new FieldError("item","price",item.getPrice(),false,new String[]{"range.item.price"},new Object[]{1000,1000000},null)); } if (item.getQuantity() == null || item.getQuantity() >= 9999) { // bindingResult.addError(new FieldError("item","quantity","수량은 최대 9,999 까지 허용합니다.")); bindingResult.addError(new FieldError("item","quantity",item.getQuantity(),false,new String[]{"max.item.quantity"},new Object[]{9999},null)); } //특정 필드가 아닌 복합 룰 검증 if (item.getPrice() != null && item.getQuantity() != null) { int resultPrice = item.getPrice() * item.getQuantity(); if (resultPrice < 10000) { bindingResult.addError(new ObjectError("item",new String[]{"totalPriceMin"},new Object[]{10000,resultPrice},null)); } } log.info("bindingResult ={}"+bindingResult); //검증에 실패하면 다시 입력 폼으로 if (!bindingResult.hasErrors()) { log.info("errors={}",bindingResult); return "validation/v2/addForm"; } // 성공 로직 Item savedItem = itemRepository.save(item); redirectAttributes.addAttribute("itemId", savedItem.getId()); redirectAttributes.addAttribute("status", true); return "redirect:/validation/v2/items/{itemId}"; }  @GetMapping("/add") public String addForm(Model model) { model.addAttribute("item", new Item()); return "validation/v2/addForm"; } 강의에서는 error 출력하는 부분에서 스프링에서 제공하는 메세지가 뜨는데 저는 위와 같이 결과가 나옵니다.로그는  2023-07-13 08:31:36.584 WARN 20844 --- [nio-8080-exec-2] .w.s.m.s.DefaultHandlerExceptionResolver : Resolved [org.springframework.validation.BindException: org.springframework.validation.BeanPropertyBindingResult: 1 errorsField error in object 'item' on field 'price': rejected value [qq]; codes [typeMismatch.item.price,typeMismatch.price,typeMismatch.java.lang.Integer,typeMismatch]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [item.price,price]; arguments []; default message [price]]; default message [Failed to convert property value of type 'java.lang.String' to required type 'java.lang.Integer' for property 'price'; nested exception is java.lang.NumberFormatException: For input string: "qq"]] 이렇게 나옵니다. 혹시 원인을 알 수 있을까여?  

제 소스파일은 구글드라이브 링크를 걸어드리겠습니다ㅠ수업과정 그대로 진행했고, 혹시 틀린부분없나 일일히 체크해봤는데도 잘모르겠네요 https://drive.google.com/drive/folders/1Qh3u8f_Y3Serz1JDhtKld6PEFiUGEfpt?usp=drive_link

학습하는 분들께 도움이 되고, 더 좋은 답변을 드릴 수 있도록 질문전에 다음을 꼭 확인해주세요.1. 강의 내용과 관련된 질문을 남겨주세요.2. 인프런의 질문 게시판과 자주 하는 질문(링크)을 먼저 확인해주세요.(자주 하는 질문 링크: https://bit.ly/3fX6ygx)3. 질문 잘하기 메뉴얼(링크)을 먼저 읽어주세요.(질문 잘하기 메뉴얼 링크: https://bit.ly/2UfeqCG)질문 시에는 위 내용은 삭제하고 다음 내용을 남겨주세요.=========================================[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (예/아니오)2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/아니오)3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/아니오)[질문 내용]여기에 질문 내용을 남겨주세요.6:23에 필드주입을 하면 중간에 바꿔치기를 할수있는 방법이 없다는게 무슨 말인가요? 그럼 생성자주입은 바꿔치기가 된다는건데 이게 조립될때를 말하는건가요? 그럼 필드주입은 조립될때도 안바뀐다는건가요? 실행중에 바꾸는건 세터만 된다는식으로 얘기를해서요 컨트롤러가 정확하게 어떻게 작동되는지에 대한 이해가 아직 부족한거같은데 로드맵 따라가다보면 채워지는 부분일까요?

학습하는 분들께 도움이 되고, 더 좋은 답변을 드릴 수 있도록 질문전에 다음을 꼭 확인해주세요.1. 강의 내용과 관련된 질문을 남겨주세요.2. 인프런의 질문 게시판과 자주 하는 질문(링크)을 먼저 확인해주세요.(자주 하는 질문 링크: https://bit.ly/3fX6ygx)3. 질문 잘하기 메뉴얼(링크)을 먼저 읽어주세요.(질문 잘하기 메뉴얼 링크: https://bit.ly/2UfeqCG)질문 시에는 위 내용은 삭제하고 다음 내용을 남겨주세요.=========================================[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (예/아니오)2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/아니오)3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/아니오)[질문 내용]여기에 질문 내용을 남겨주세요.MemberServiceTest에서 BeforeEach에서 새로 객체를 불러오고 AfterEach에선 다음 테스트를 위해 저장된걸 지우는걸로 이해를 했는데 어차피 객체를 새로 만드는데 지우는 과정이 왜 필요한건가요? 그래서 AfterEach 코드를 지워봤는데 회원가입()에서부터 막히더라고요AfterEach는 테스트가 끝나고 실행되는건데 왜 첫번째 테스트부터 작동에 문제가 생기는건가요? 

학습하는 분들께 도움이 되고, 더 좋은 답변을 드릴 수 있도록 질문전에 다음을 꼭 확인해주세요.1. 강의 내용과 관련된 질문을 남겨주세요.2. 인프런의 질문 게시판과 자주 하는 질문(링크)을 먼저 확인해주세요.(자주 하는 질문 링크: https://bit.ly/3fX6ygx)3. 질문 잘하기 메뉴얼(링크)을 먼저 읽어주세요.(질문 잘하기 메뉴얼 링크: https://bit.ly/2UfeqCG)질문 시에는 위 내용은 삭제하고 다음 내용을 남겨주세요.=========================================[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (예/아니오)2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/아니오)3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/아니오)[질문 내용]JAVA 17, 스프링부트 3.0 이상 사용중입니다.현재 매뉴얼에는 스프링부트 3.0 이상 사용자는 dependency 부분만 수정하면 작동이 가능하다고 되어있는데회원등록 후 회원조회를 해보니 WhiteLabel Error와 함께 다음과 같은 오류가 발생했습니다.ERROR 84347 --- [nio-8080-exec-2] a.c.c.C.[.[.[.[frontControllerServletV1] : Servlet.service() for servlet [frontControllerServletV1] in context with path [] threw exception [/WEB-INF/views/members.jsp (line: [17], column: [4]) According to TLD or attribute directive in tag file, attribute [items] does not accept any expressions] with root cause이와 관련하여 해결방법을 찾아보니 JSTL의 버전업으로 인해 taglib 사용 시 uri를 "http://java.sun.com/jstl/core" 가 아닌 "http://java.sun.com/jstl/core_rt"를 사용하면 정상적으로 회원목록 조회가 작동하는 것을 확인하였습니다.관련자료 : https://erim1005.tistory.com/entry/JSTLAccording-to-TLD-or-attribute-directive-in-tag-file

빌드하고 실행하기 오류가 납니다제 환경은 아래와 같습니다설치한 자바 버전: javac 11.0.19컴퓨터 환경: 윈도우 명령프롬프트자바 경로: C:\Program Files\Java\jdk-11변경후 자바경로: C:\Program Files\Java\jdk-11.0.19hello-spring 경로: C:\Astudy\hello-spring시스템환경변수: C:\Program Files\Java\jdk-11.0.19 라고 설정(이전에 1.8 자바를 설치했던 경험이 있어서 인텔리에서는 모든 환경을 java 11.0.19로 바꿔줌)시스템 변수 path: %JAVA_HOME%\bin 프로젝트 경로로 이동해서 dir에서 gradlew.bat 확인까지는 잘됩니다 오류1: ERROR: JAVA_HOME is set to an invalid directory: C:\Program Files\Java\jdk-11.0.9Please set the JAVA_HOME variable in your environment to match thelocation of your Java installation.라고 떠서 혹시나 환경변수의 자바명과 자바경로의 명이 달라서 그런가 싶어서이번에는 아예 jdk-11를 지우고 폴더명을 jdk-11.0.19로 다시 만들어 설치함그래도 아래와 같은 오류가 뜸 오류2: C:\Astudy\hello-spring>gradlew.batERROR: JAVA_HOME is set to an invalid directory: C:\Program Files\Java\jdk-11.0.9Please set the JAVA_HOME variable in your environment to match thelocation of your Java installation. 여기서 의문인 것은 왜 java 11.0.19가 아니라 11.0.9로 나온건지 모르겠음 명령어는 gradlew build, ./gradlew build, ./gradlew, ./gradlew.bat, gradlew, gradlew.bat다쳐봄 이중에서 뭘로 골라서 쳐야할 지도 헷갈림 제발 도와주세요

학습하는 분들께 도움이 되고, 더 좋은 답변을 드릴 수 있도록 질문전에 다음을 꼭 확인해주세요.1. 강의 내용과 관련된 질문을 남겨주세요.2. 인프런의 질문 게시판과 자주 하는 질문(링크)을 먼저 확인해주세요.(자주 하는 질문 링크: https://bit.ly/3fX6ygx)3. 질문 잘하기 메뉴얼(링크)을 먼저 읽어주세요.(질문 잘하기 메뉴얼 링크: https://bit.ly/2UfeqCG)질문 시에는 위 내용은 삭제하고 다음 내용을 남겨주세요.=========================================[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (예/아니오)예2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/아니오)예3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/아니오)예[질문 내용]안녕하세요 현재 쿠키를 보내면 ga=~~~~~~~~~~~~~~~~~~~~gaGOPSD9nLR1=~~~~~~~~~reponse에 세팅하면 해당 값들이 같이 나오는데 어떠한 의미인지 궁금합니다.!

[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (예/아니오)2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/아니오)3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/아니오)[질문 내용]http://localhost:8000은 실행이 되는데 http://localhost:8000/hello는 Error Page가 뜹니다.복사 붙여넣기로 코드를 작성했는데 어디가 잘못되었는지 모르겠습니다 ㅠㅠHelloController가 사용되지 않은 것 같은데 어디를 고쳐야하는지 모르겠습니다..경로는 다 영어 경로로 확인했습니다!

http://localhost:8080/hello-static이 아닌http://localhost:8080/hello-static.html 으로 뒤에 .html을 붙이는 이유가 해당 파일은 맵핑이 되어있지 않아서 그런건가요?

커리큘럼 소개하실 때 스프 2탄 mvc07부분에서리액트와의 연동 방법을 간략하게나마 보여주신다고 하셨는데스프2탄 커리큘럼에는 없는 것 같아서요! 스프2탄 mvc07 강의듣다보면 내용이 나오나요??

학습하는 분들께 도움이 되고, 더 좋은 답변을 드릴 수 있도록 질문전에 다음을 꼭 확인해주세요.1. 강의 내용과 관련된 질문을 남겨주세요.2. 인프런의 질문 게시판과 자주 하는 질문(링크)을 먼저 확인해주세요.(자주 하는 질문 링크: https://bit.ly/3fX6ygx)3. 질문 잘하기 메뉴얼(링크)을 먼저 읽어주세요.(질문 잘하기 메뉴얼 링크: https://bit.ly/2UfeqCG)질문 시에는 위 내용은 삭제하고 다음 내용을 남겨주세요.=========================================[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (예)2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예)3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예)[질문 내용]여기에 질문 내용을 남겨주세요.안녕하세요.Test에서 아래 메서드를 추가하여 메모리에 있는 값을 초기화 시키는 것은 이해했습니다.@AfterEach public void afterEach() { repository.clearStore(); }  그런데, 아래 메서드를 추가하기 전에, 왜 MemoryMemberRepository class에서, 아래 메서드를 추가해야 하는지 모르겠습니다!public void clearStore() { store.clear(); }제가 Test 코드를 처음 작성하는데 이해가 되지 않아서 질문드립니다! 감사합니다.

일단 jpa로 진행하던중 오류가 났습니다..Member.javaMember.javapackage hwang.hwangspring.domain; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; @Entity //->JPA가 관리하는 ENTITY라는 의미가 됨 public class Member { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Long id; //시스템이 정해줌 private String name; //고객이 회원가입할 때 적는 이름 public Long getId() { return id; } public void setId(Long id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } } JpaMemberRepository.java import javax.persistence.EntityManager; import java.util.List; import java.util.Optional; public class JpaMemberRepository implements MemberRepository{ private final EntityManager em; public JpaMemberRepository(EntityManager em) { this.em = em; } @Override public Member save(Member member) { em.persist(member); return member; } @Override public Optional<Member> findById(Long id) { Member member = em.find(Member.class,id); return Optional.ofNullable(member); } @Override public Optional<Member> findByName(String name) { List<Member> result= em.createQuery("select m from Member m where m.name =:name",Member.class) .setParameter("name",name) .getResultList(); return result.stream().findAny(); } @Override public List<Member> findAll() { List<Member> result = em.createQuery("select m from Member m", Member.class).getResultList(); return result; //객체 자체를 return, } } Springconfig.javaimport org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import javax.persistence.Entity; import javax.persistence.EntityManager; import javax.sql.DataSource; @Configuration public class SpringConfig { private final EntityManager em; private final DataSource dataSource; @Autowired public SpringConfig(DataSource dataSource,EntityManager em){ this.dataSource=dataSource; this.em=em; } @Bean public MemberService memberService() { // 이 로직을 등록해서 스프링 빈에 등록을 해줌 return new MemberService((MemoryMemberRepository) memberRepository()); //MemberService()가 스트링빈에 등록됨 } @Bean public MemberRepository memberRepository(){ return new JpaMemberRepository(em); } } MemberIntegrataionTest를 실행할경우package hwang.hwangspring.service; import hwang.hwangspring.domain.Member; import hwang.hwangspring.repository.MemberRepository; import org.junit.jupiter.api.Test; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.test.context.SpringBootTest; import org.springframework.transaction.annotation.Transactional; import static org.assertj.core.api.Assertions.assertThat; import static org.junit.jupiter.api.Assertions.assertEquals; import static org.junit.jupiter.api.Assertions.assertThrows; @SpringBootTest @Transactional class MemberServiceIntegrationTest { @Autowired MemberService memberService; @Autowired MemberRepository memberRepository; @Test public void 회원가입() throws Exception { //Given Member member = new Member(); member.setName("hello"); //When Long saveId = memberService.join(member); //Then Member findMember = memberRepository.findById(saveId).get(); assertEquals(member.getName(), findMember.getName()); } @Test public void 중복_회원_예외() throws Exception { //Given Member member1 = new Member(); member1.setName("spring"); Member member2 = new Member(); member2.setName("spring"); //When memberService.join(member1); IllegalStateException e = assertThrows(IllegalStateException.class, () -> memberService.join(member2));//예외가 발생해야 한다. assertThat(e.getMessage()).isEqualTo("이미 존재하는 회원입니다."); } }아래와 같은 오류가 뜹니다 ㅠㅠ java.lang.IllegalStateException: Failed to load ApplicationContextat org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:98)at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:124)at org.springframework.test.context.web.ServletTestExecutionListener.setUpRequestContextIfNecessary(ServletTestExecutionListener.java:190)at org.springframework.test.context.web.ServletTestExecutionListener.prepareTestInstance(ServletTestExecutionListener.java:132)at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:248)at org.springframework.test.context.junit.jupiter.SpringExtension.postProcessTestInstance(SpringExtension.java:138)at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeTestInstancePostProcessors$8(ClassBasedTestDescriptor.java:363)at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.executeAndMaskThrowable(ClassBasedTestDescriptor.java:368)at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeTestInstancePostProcessors$9(ClassBasedTestDescriptor.java:363)at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1655)at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)at java.base/java.util.stream.StreamSpliterators$WrappingSpliterator.forEachRemaining(StreamSpliterators.java:312)at java.base/java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:735)at java.base/java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:734)at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:658)at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.invokeTestInstancePostProcessors(ClassBasedTestDescriptor.java:362)at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$instantiateAndPostProcessTestInstance$6(ClassBasedTestDescriptor.java:283)at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateAndPostProcessTestInstance(ClassBasedTestDescriptor.java:282)at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$4(ClassBasedTestDescriptor.java:272)at java.base/java.util.Optional.orElseGet(Optional.java:369)at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$5(ClassBasedTestDescriptor.java:271)at org.junit.jupiter.engine.execution.TestInstancesProvider.getTestInstances(TestInstancesProvider.java:31)at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$prepare$0(TestMethodTestDescriptor.java:102)at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:101)at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:66)at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$prepare$2(NodeTestTask.java:123)at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)at org.junit.platform.engine.support.hierarchical.NodeTestTask.prepare(NodeTestTask.java:123)at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:90)at java.base/java.util.ArrayList.forEach(ArrayList.java:1541)at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41)at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155)at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141)at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139)at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138)at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)at java.base/java.util.ArrayList.forEach(ArrayList.java:1541)at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41)at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155)at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141)at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139)at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138)at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:35)at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57)at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:54)at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:107)at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:88)at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:54)at org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:67)at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:52)at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:114)at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:86)at org.junit.platform.launcher.core.DefaultLauncherSession$DelegatingLauncher.execute(DefaultLauncherSession.java:86)at org.junit.platform.launcher.core.SessionPerRequestLauncher.execute(SessionPerRequestLauncher.java:53)at com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:57)at com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38)at com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11)at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35)at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:232)at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:55)Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'memberController' defined in file [C:\Users\hyk46\hwang-spring\hwang-spring\out\production\classes\hwang\hwangspring\controller\MemberController.class]: Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'memberService' defined in class path resource [hwang/hwangspring/SpringConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [hwang.hwangspring.service.MemberService]: Factory method 'memberService' threw exception; nested exception is java.lang.ClassCastException: class hwang.hwangspring.repository.JpaMemberRepository cannot be cast to class hwang.hwangspring.repository.MemoryMemberRepository (hwang.hwangspring.repository.JpaMemberRepository and hwang.hwangspring.repository.MemoryMemberRepository are in unnamed module of loader 'app')at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:800)at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:229)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1372)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1222)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542)at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335)at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333)at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208)at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:955)at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:920)at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:583)at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:731)at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:408)at org.springframework.boot.SpringApplication.run(SpringApplication.java:307)at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:136)at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:141)at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:90)... 71 moreCaused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'memberService' defined in class path resource [hwang/hwangspring/SpringConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [hwang.hwangspring.service.MemberService]: Factory method 'memberService' threw exception; nested exception is java.lang.ClassCastException: class hwang.hwangspring.repository.JpaMemberRepository cannot be cast to class hwang.hwangspring.repository.MemoryMemberRepository (hwang.hwangspring.repository.JpaMemberRepository and hwang.hwangspring.repository.MemoryMemberRepository are in unnamed module of loader 'app')at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:658)at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:486)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1352)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1195)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542)at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335)at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333)at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208)at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1391)at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1311)at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:887)at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:791)... 89 moreCaused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [hwang.hwangspring.service.MemberService]: Factory method 'memberService' threw exception; nested exception is java.lang.ClassCastException: class hwang.hwangspring.repository.JpaMemberRepository cannot be cast to class hwang.hwangspring.repository.MemoryMemberRepository (hwang.hwangspring.repository.JpaMemberRepository and hwang.hwangspring.repository.MemoryMemberRepository are in unnamed module of loader 'app')at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185)at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:653)... 103 moreCaused by: java.lang.ClassCastException: class hwang.hwangspring.repository.JpaMemberRepository cannot be cast to class hwang.hwangspring.repository.MemoryMemberRepository (hwang.hwangspring.repository.JpaMemberRepository and hwang.hwangspring.repository.MemoryMemberRepository are in unnamed module of loader 'app')at hwang.hwangspring.SpringConfig.memberService(SpringConfig.java:29)at hwang.hwangspring.SpringConfig$$EnhancerBySpringCGLIB$$f992599.CGLIB$memberService$0(<generated>)at hwang.hwangspring.SpringConfig$$EnhancerBySpringCGLIB$$f992599$$FastClassBySpringCGLIB$$aa36e038.invoke(<generated>)at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244)at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:331)at hwang.hwangspring.SpringConfig$$EnhancerBySpringCGLIB$$f992599.memberService(<generated>)at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)at java.base/java.lang.reflect.Method.invoke(Method.java:566)at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)... 104 more

제가 다 실험을 해봤는데 아래 문구때매 자꾸 서버가 500이 뜹니다. 강의 내용에 맞게 복붙해서 붙였는데 왜 자꾸 뜨는지 모르겠습니다...... 처음의 저 문제의 코드가 오류가 떠서 구글링 한결과 gradle에 아래를 추가했습니다. 오류가 안떠서 코드를 돌렸더니 서버가 500이 뜹니다... 도와주세요 ㅜㅜㅜimplementation group: 'javax.servlet', name: 'jstl', version: '1.2'gradle에 위와같은 문구를 추가했습니다. <%@ page contentType="text/html;charset=UTF-8" language="java" %>문제의 코드<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <a href="/index.html">메인</a> <table> <thead> <th>id</th> <th>username</th> <th>age</th> </thead> <tbody> <c:forEach var="item" items="${members}"> <tr> <td>item.id</td> <td>item.username</td> <td>item.age</td> </c:forEach> </tbody> </table> </body> </html> 전체 members.jsp 코드 package hello.servlet.web.servletmvc; import hello.servlet.domain.member.Member; import hello.servlet.domain.member.MemberRepository; import jakarta.servlet.RequestDispatcher; import jakarta.servlet.ServletException; import jakarta.servlet.annotation.WebServlet; import jakarta.servlet.http.HttpServlet; import jakarta.servlet.http.HttpServletRequest; import jakarta.servlet.http.HttpServletResponse; import java.io.IOException; import java.util.List; @WebServlet(name="mvcMemberListServlet", urlPatterns = "/servlet-mvc/members") public class MvcMemberListServlet extends HttpServlet { MemberRepository memberRepository=MemberRepository.getInstance(); @Override protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { List<Member> members = memberRepository.findAll(); request.setAttribute("members",members); String viewPath="/WEB-INF/views/members.jsp"; RequestDispatcher dispatcher = request.getRequestDispatcher(viewPath); dispatcher.forward(request,response); } } MvcMemberListServlet 코드  

학습하는 분들께 도움이 되고, 더 좋은 답변을 드릴 수 있도록 질문전에 다음을 꼭 확인해주세요.1. 강의 내용과 관련된 질문을 남겨주세요.2. 인프런의 질문 게시판과 자주 하는 질문(링크)을 먼저 확인해주세요.(자주 하는 질문 링크: https://bit.ly/3fX6ygx)3. 질문 잘하기 메뉴얼(링크)을 먼저 읽어주세요.(질문 잘하기 메뉴얼 링크: https://bit.ly/2UfeqCG)질문 시에는 위 내용은 삭제하고 다음 내용을 남겨주세요.=========================================[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (예/아니오) 예2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/아니오) 예3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/아니오)예[질문 내용] //@PostMapping("/add") //requestParam 은 form 의 name 이름과 같아야함 public String saveV3(@ModelAttribute Item item,Model model){ // @ModelAttribute("item") 도생략가능하다. //Item (class명) ->item itemRepository.save(item); return "/basic/item"; }이 코드에서 @ModelAttribute 가 html 의 name 속성과 Item class 를 매칭시켜주고그래서 itemRepository에 저장 로직에서 사용된다는 거까지는 이해했습니다. 그러나 다시 '/basic/item' 화면으로 갈때 어떻게 저장시킨 item 이 화면에 렌더링되는건지 궁금합니다. Item newItem = itemRepository.save(item); model.addAttribute("item",newItem); 즉 , 이 과정이 어떻게 생략되서 작동되는지 원리가 궁금합니다.

학습하는 분들께 도움이 되고, 더 좋은 답변을 드릴 수 있도록 질문전에 다음을 꼭 확인해주세요.1. 강의 내용과 관련된 질문을 남겨주세요.2. 인프런의 질문 게시판과 자주 하는 질문(링크)을 먼저 확인해주세요.(자주 하는 질문 링크: https://bit.ly/3fX6ygx)3. 질문 잘하기 메뉴얼(링크)을 먼저 읽어주세요.(질문 잘하기 메뉴얼 링크: https://bit.ly/2UfeqCG)질문 시에는 위 내용은 삭제하고 다음 내용을 남겨주세요.=========================================[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (예/아니오)2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/아니오)3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/아니오)[질문 내용]여기에 질문 내용을 남겨주세요. 1:10 쯤 testcase 를 위한 package 생성을 하는데 제 파일은 패키지가 아닌건지 패키지를 생성할 수 있는 버튼이 뜨지 않습니다. 왜 이럴까요 ㅜㅜ

1. 강의 내용과 관련된 질문인가요? 예2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? 예3. 질문 잘하기 메뉴얼을 읽어보셨나요? 아니오[질문 내용]강의 마지막에 강사님께서 디자이너, 웹 퍼블리셔, 백엔드 개발자가 협업하여 서비스를 제작하게 된다는 설명을 해주셨습니다. 참고 부분에서 질문하고 싶은 부분이 있습니다. 마지막 문장에서 "백엔드 개발자는 HTML 뷰 템플릿을 직접 만지는 대신에, HTTP API를 통해 웹 클라이언트가 필요로 하는 데이터와 기능을 제공하면 된다."라고 적혀있었는데 HTTP API를 설계하는 것은 백엔드 개발자가 하는 것은 당연하지만, 어떤 HTTP API를 요구하는 지에 대해서는 프론트엔드 개발자가 하는 것인지 백엔드 개발자가 하는 것인지는 궁금합니다.설명을 덧붙이자면 디자이너분이 제공한 게시판 뷰가 있을 때 제공된 뷰에서 프론트 엔드 개발자가 화면을 만들기 위해서 백엔드 개발자에게 API를 요구하는 편이 일반적인지 혹은 백엔드 개발자가 API를 설계하여 일방적으로 프론트 개발자에게 제공하는게 일반적인지 궁금합니다. 감사합니다.

Could not connect to New MySQL. Error creating SQL Model Connection connection to New MySQL. (Error: Could not create connection to database server.) Could not create connection to database server. Error creating JDBC Connection connection to New MySQL. (Error: Could not create connection to database server.) Could not create connection to database server.계속 이 에러가 뜨면서 Mysql 연결이 안됩니다..구글링 해봤는데도 해결이 안되네요..

[질문 템플릿]1. 강의 내용과 관련된 질문인가요? 예2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? 예3. 질문 잘하기 메뉴얼을 읽어보셨나요? 예[질문 내용]여기에 질문 내용을 남겨주세요.new-form.jsp는 잘 접속이 되는데전송을 누르면 아래와 같이 오류가 발생합니다."C:\Program Files\Java\jdk-17.0.2\bin\java.exe" "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2022.3.2\lib\idea_rt.jar=64020:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2022.3.2\bin" -Dfile.encoding=UTF-8 -classpath 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\caches\modules-2\files-2.1\org.apache.logging.log4j\log4j-api\2.19.0\ea1b37f38c327596b216542bc636cfdc0b8036fa\log4j-api-2.19.0.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\com.h2database\h2\2.1.214\d5c2005c9e3279201e12d4776c948578b16bf8b2\h2-2.1.214.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.jboss.logging\jboss-logging\3.5.0.Final\c19307cc11f28f5e2679347e633a3294d865334d\jboss-logging-3.5.0.Final.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.hibernate.common\hibernate-commons-annotations\6.0.6.Final\77a5f94b56d49508e0ee334751db5b78e5ccd50c\hibernate-commons-annotations-6.0.6.Final.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.jboss\jandex\2.4.2.Final\1e1c385990b258ff1a24c801e84aebbacf70eb39\jandex-2.4.2.Final.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\com.fasterxml\classmate\1.5.1\3fe0bed568c62df5e89f4f174c101eab25345b6c\classmate-1.5.1.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\net.bytebuddy\byte-buddy\1.12.23\d470526e8c4566c04e9ae5d3ccb62d1a7aa58986\byte-buddy-1.12.23.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.glassfish.jaxb\jaxb-runtime\4.0.2\e4e4e0c5b0d42054d00dc4023901572a60d368c7\jaxb-runtime-4.0.2.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\jakarta.xml.bind\jakarta.xml.bind-api\4.0.0\bbb399208d288b15ec101fa4fcfc4bd77cedc97a\jakarta.xml.bind-api-4.0.0.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\jakarta.inject\jakarta.inject-api\2.0.0\46fc8560b6fd17b78396d88f39c1a730457671f0\jakarta.inject-api-2.0.0.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.antlr\antlr4-runtime\4.10.1\10839f875928f59c622d675091d51a43ea0dc5f7\antlr4-runtime-4.10.1.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.glassfish.jaxb\jaxb-core\4.0.2\8c29249f6c10f4ee08967783831580b0f5c5360\jaxb-core-4.0.2.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\jakarta.activation\jakarta.activation-api\2.1.1\88c774ab863a21fb2fc4219af95379fafe499a31\jakarta.activation-api-2.1.1.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.eclipse.angus\angus-activation\2.0.0\72369f4e2314d38de2dcbb277141ef0226f73151\angus-activation-2.0.0.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.glassfish.jaxb\txw2\4.0.2\24e167be69c29ebb7ee0a3b1f9b546f1dfd111fc\txw2-4.0.2.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\com.sun.istack\istack-commons-runtime\4.1.1\9b3769c76235bc283b060da4fae2318c6d53f07e\istack-commons-runtime-4.1.1.jar hello.servlet.ServletApplication. ____ _/\\ / ___'_ __ (_)_ _ \ \ \ \( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \\\/ ___)| |_)| | | | | || (_| | ) ) ) )' |____| .__|_| |_|_| |_\__, | / / / /=========|_|==============|___/=/_/_/_/:: Spring Boot :: (v3.0.6)2023-07-10T21:21:29.054+09:00 INFO 18224 --- [ main] hello.servlet.ServletApplication : Starting ServletApplication using Java 17.0.2 with PID 18224 (C:\Users\user\Desktop\여름방학\mvc1\servlet\servlet\out\production\classes started by user in C:\Users\user\Desktop\여름방학\mvc1\servlet\servlet)2023-07-10T21:21:29.057+09:00 INFO 18224 --- [ main] hello.servlet.ServletApplication : No active profile set, falling back to 1 default profile: "default"2023-07-10T21:21:29.690+09:00 INFO 18224 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode.2023-07-10T21:21:29.722+09:00 INFO 18224 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 21 ms. Found 0 JPA repository interfaces.2023-07-10T21:21:30.369+09:00 INFO 18224 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http)2023-07-10T21:21:30.380+09:00 INFO 18224 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]2023-07-10T21:21:30.380+09:00 INFO 18224 --- [ main] o.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/10.1.8]2023-07-10T21:21:30.613+09:00 INFO 18224 --- [ main] org.apache.jasper.servlet.TldScanner : At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.2023-07-10T21:21:30.622+09:00 INFO 18224 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext2023-07-10T21:21:30.623+09:00 INFO 18224 --- [ main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 1515 ms2023-07-10T21:21:30.874+09:00 INFO 18224 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Starting...2023-07-10T21:21:31.055+09:00 INFO 18224 --- [ main] com.zaxxer.hikari.pool.HikariPool : HikariPool-1 - Added connection conn0: url=jdbc:h2:mem:2a429fff-9c3c-4c40-906c-f7cb210a3f6a user=SA2023-07-10T21:21:31.057+09:00 INFO 18224 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Start completed.2023-07-10T21:21:31.109+09:00 INFO 18224 --- [ main] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [name: default]2023-07-10T21:21:31.171+09:00 INFO 18224 --- [ main] org.hibernate.Version : HHH000412: Hibernate ORM core version 6.1.7.Final2023-07-10T21:21:31.473+09:00 INFO 18224 --- [ main] SQL dialect : HHH000400: Using dialect: org.hibernate.dialect.H2Dialect2023-07-10T21:21:31.720+09:00 INFO 18224 --- [ main] o.h.e.t.j.p.i.JtaPlatformInitiator : HHH000490: Using JtaPlatform implementation: [org.hibernate.engine.transaction.jta.platform.internal.NoJtaPlatform]2023-07-10T21:21:31.734+09:00 INFO 18224 --- [ main] j.LocalContainerEntityManagerFactoryBean : Initialized JPA EntityManagerFactory for persistence unit 'default'2023-07-10T21:21:31.767+09:00 WARN 18224 --- [ main] JpaBaseConfiguration$JpaWebConfiguration : spring.jpa.open-in-view is enabled by default. Therefore, database queries may be performed during view rendering. Explicitly configure spring.jpa.open-in-view to disable this warning2023-07-10T21:21:31.964+09:00 INFO 18224 --- [ main] o.s.b.a.w.s.WelcomePageHandlerMapping : Adding welcome page: ServletContext resource [/index.html]2023-07-10T21:21:32.242+09:00 INFO 18224 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8080 (http) with context path ''2023-07-10T21:21:32.251+09:00 INFO 18224 --- [ main] hello.servlet.ServletApplication : Started ServletApplication in 3.565 seconds (process running for 3.966)2023-07-10T21:21:38.052+09:00 DEBUG 18224 --- [nio-8080-exec-1] o.a.coyote.http11.Http11InputBuffer : Before fill(): parsingHeader: [true], parsingRequestLine: [true], parsingRequestLinePhase: [0], parsingRequestLineStart: [0], byteBuffer.position(): [0], byteBuffer.limit(): [0], end: [0]2023-07-10T21:21:38.053+09:00 DEBUG 18224 --- [nio-8080-exec-1] o.a.coyote.http11.Http11InputBuffer : Received [POST /jsp/members/save.jsp HTTP/1.1Host: localhost:8080Connection: keep-aliveContent-Length: 19Cache-Control: max-age=0sec-ch-ua: "Not.A/Brand";v="8", "Chromium";v="114", "Google Chrome";v="114"sec-ch-ua-mobile: ?0sec-ch-ua-platform: "Windows"Upgrade-Insecure-Requests: 1Origin: http://localhost:8080Content-Type: application/x-www-form-urlencodedUser-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7Sec-Fetch-Site: same-originSec-Fetch-Mode: navigateSec-Fetch-User: ?1Sec-Fetch-Dest: documentReferer: http://localhost:8080/jsp/members/new-form.jspAccept-Encoding: gzip, deflate, brAccept-Language: ko-KR,ko;q=0.9,en-US;q=0.8,en;q=0.7Cookie: JSESSIONID=3F23CBF50B03D193E74C819FC83D3488username=kim&age=20]2023-07-10T21:21:38.623+09:00 ERROR 18224 --- [nio-8080-exec-1] o.a.c.c.C.[.[localhost].[/].[jsp] : Servlet.service() for servlet [jsp] in context with path [] threw exception [Unable to compile class for JSP:An error occurred at line: [14] in the generated java file: [C:\Users\user\AppData\Local\Temp\tomcat.8080.1494250641129783002\work\Tomcat\localhost\ROOT\org\apache\jsp\jsp\members\save_jsp.java]Only a type can be imported. hello.servlet.domain.member.MemberRepository resolves to a packageAn error occurred at line: [15] in the generated java file: [C:\Users\user\AppData\Local\Temp\tomcat.8080.1494250641129783002\work\Tomcat\localhost\ROOT\org\apache\jsp\jsp\members\save_jsp.java]Only a type can be imported. hello.servlet.domain.member.Member resolves to a packageAn error occurred at line: [6] in the jsp file: [/jsp/members/save.jsp]MemberRepository cannot be resolved to a type3: <%@ page contentType="text/html;charset=UTF-8" language="java" %>4: <%5: // request, response 사용 가능6: MemberRepository memberRepository = MemberRepository.getInstance();7: System.out.println("save.jsp");8: String username = request.getParameter("username");9: int age = Integer.parseInt(request.getParameter("age"));An error occurred at line: [6] in the jsp file: [/jsp/members/save.jsp]MemberRepository cannot be resolved3: <%@ page contentType="text/html;charset=UTF-8" language="java" %>4: <%5: // request, response 사용 가능6: MemberRepository memberRepository = MemberRepository.getInstance();7: System.out.println("save.jsp");8: String username = request.getParameter("username");9: int age = Integer.parseInt(request.getParameter("age"));An error occurred at line: [10] in the jsp file: [/jsp/members/save.jsp]Member cannot be resolved to a type7: System.out.println("save.jsp");8: String username = request.getParameter("username");9: int age = Integer.parseInt(request.getParameter("age"));10: Member member = new Member(username, age);11: System.out.println("member = " + member);12: memberRepository.save(member);13: %>An error occurred at line: [10] in the jsp file: [/jsp/members/save.jsp]Member cannot be resolved to a type7: System.out.println("save.jsp");8: String username = request.getParameter("username");9: int age = Integer.parseInt(request.getParameter("age"));10: Member member = new Member(username, age);11: System.out.println("member = " + member);12: memberRepository.save(member);13: %>Stacktrace:] with root causeorg.apache.jasper.JasperException: Unable to compile class for JSP:An error occurred at line: [14] in the generated java file: [C:\Users\user\AppData\Local\Temp\tomcat.8080.1494250641129783002\work\Tomcat\localhost\ROOT\org\apache\jsp\jsp\members\save_jsp.java]Only a type can be imported. hello.servlet.domain.member.MemberRepository resolves to a packageAn error occurred at line: [15] in the generated java file: [C:\Users\user\AppData\Local\Temp\tomcat.8080.1494250641129783002\work\Tomcat\localhost\ROOT\org\apache\jsp\jsp\members\save_jsp.java]Only a type can be imported. hello.servlet.domain.member.Member resolves to a packageAn error occurred at line: [6] in the jsp file: [/jsp/members/save.jsp]MemberRepository cannot be resolved to a type3: <%@ page contentType="text/html;charset=UTF-8" language="java" %>4: <%5: // request, response 사용 가능6: MemberRepository memberRepository = MemberRepository.getInstance();7: System.out.println("save.jsp");8: String username = request.getParameter("username");9: int age = Integer.parseInt(request.getParameter("age"));An error occurred at line: [6] in the jsp file: [/jsp/members/save.jsp]MemberRepository cannot be resolved3: <%@ page contentType="text/html;charset=UTF-8" language="java" %>4: <%5: // request, response 사용 가능6: MemberRepository memberRepository = MemberRepository.getInstance();7: System.out.println("save.jsp");8: String username = request.getParameter("username");9: int age = Integer.parseInt(request.getParameter("age"));An error occurred at line: [10] in the jsp file: [/jsp/members/save.jsp]Member cannot be resolved to a type7: System.out.println("save.jsp");8: String username = request.getParameter("username");9: int age = Integer.parseInt(request.getParameter("age"));10: Member member = new Member(username, age);11: System.out.println("member = " + member);12: memberRepository.save(member);13: %>An error occurred at line: [10] in the jsp file: [/jsp/members/save.jsp]Member cannot be resolved to a type7: System.out.println("save.jsp");8: String username = request.getParameter("username");9: int age = Integer.parseInt(request.getParameter("age"));10: Member member = new Member(username, age);11: System.out.println("member = " + member);12: memberRepository.save(member);13: %>Stacktrace:at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:102) ~[tomcat-embed-jasper-10.1.8.jar:10.1.8]at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:213) ~[tomcat-embed-jasper-10.1.8.jar:10.1.8]at org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:513) ~[tomcat-embed-jasper-10.1.8.jar:10.1.8]at org.apache.jasper.compiler.Compiler.compile(Compiler.java:402) ~[tomcat-embed-jasper-10.1.8.jar:10.1.8]at org.apache.jasper.compiler.Compiler.compile(Compiler.java:372) ~[tomcat-embed-jasper-10.1.8.jar:10.1.8]at org.apache.jasper.compiler.Compiler.compile(Compiler.java:356) ~[tomcat-embed-jasper-10.1.8.jar:10.1.8]at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:603) ~[tomcat-embed-jasper-10.1.8.jar:10.1.8]at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:396) ~[tomcat-embed-jasper-10.1.8.jar:10.1.8]at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:380) ~[tomcat-embed-jasper-10.1.8.jar:10.1.8]at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:328) ~[tomcat-embed-jasper-10.1.8.jar:10.1.8]at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:614) ~[jakarta.servlet-api-6.0.0.jar:6.0.0]at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:205) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) ~[tomcat-embed-websocket-10.1.8.jar:10.1.8]at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-6.0.8.jar:6.0.8]at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.0.8.jar:6.0.8]at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-6.0.8.jar:6.0.8]at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.0.8.jar:6.0.8]at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-6.0.8.jar:6.0.8]at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.0.8.jar:6.0.8]at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:166) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:115) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:341) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:390) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:894) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1741) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at java.base/java.lang.Thread.run(Thread.java:833) ~[na:na]2023-07-10T21:21:38.633+09:00 INFO 18224 --- [nio-8080-exec-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring DispatcherServlet 'dispatcherServlet'2023-07-10T21:21:38.634+09:00 INFO 18224 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet : Initializing Servlet 'dispatcherServlet'2023-07-10T21:21:38.635+09:00 INFO 18224 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet : Completed initialization in 1 ms2023-07-10T21:21:38.743+09:00 DEBUG 18224 --- [nio-8080-exec-1] o.apache.coyote.http11.Http11Processor : Socket: [org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper@53f4c2e:org.apache.tomcat.util.net.NioChannel@1e491a57:java.nio.channels.SocketChannel[connected local=/[0:0:0:0:0:0:0:1]:8080 remote=/[0:0:0:0:0:0:0:1]:64023]], Status in: [OPEN_READ], State out: [CLOSED]  

둘중에서 war 는 서버에 배포용이라고 하셧는데 포토폴리오 만들때 서버에 배포용으로 하려고 하면 war로 선택해서 프로젝트를 생성하야하나요? 아니면 jar 로 해도 상관없나요? 포토폴리오는 도메인과 서버를 구매해서 쓸 예정입니다.

@PostConstruct 이 애노테이션이 좀 생소해서요 뭔가 생성자에 관한것 같은데요 정확히 어떤 역할을 하는건가요?