강의에서 필드 주입의 경우 일반 테스트 시에는 스프링에 의한 주입이 일어나지 않으니 다른 주입 방법이 있어야 하는데, 방법이 없으므로 권장하지 않는다고 이해했습니다.@Test에서 테스트 시에 테스트 객체 안에서 (static) AppConfig를 만들어서 bean을 정의하고 ApplicationContext에 적용시킨 것이 기억나는데요제가 이해한 것이 맞다면 test영역에는 스프링 컨테이너가 영향을 끼칠 수 없는 영역인건가요?그래서 AppConfig를 테스트 영역 안에서 생성하여 적용한 것인가요? 그리고 @SpringBootTest에서는 스프링이 영향을 미치게 되는건가요?  

앞선 강의에서 테스트를 진행하며 싱글톤 컨테이너를 생성할때반환타입을 구체클래스인 AnnotationConfigApplicationContext로 하여 빈을 조회하거나 하였습니다.AnnotationConfigApplicationContext annotationConfigApplicationContext = new AnnotationConfigApplicationContext(AppConfig.class);하지만 싱글톤 컨테이너 강의에서 요청이 두번왔을때 꺼낸 빈이 같은 객체를 반환하는지를 확인하기 위한 테스트에서(3분즘) 컨테이너를 생성할때 반환타입을 ApplicationContext로 하셨습니다. ApplicationContext는 인터페이스이기에 구현 클래스인 AnnotationConfigApplicationContext에 비해 기능도 적은 것으로 알고있는데, 혹시 지금까지의 테스트에선 반환타입을 AnnotationConfigApplicationContext로 하셨지만 아래 테스트에선 특별히 반환타입을 ApplicationContext로 하신 이유가 궁금하여 질문드립니다. 감사합니다.@Test @DisplayName("스프링 컨테이너와 Singleton") void YesSpringContainer() { ApplicationContext ac = new AnnotationConfigApplicationContext(AppConfig.class); //AnnotationConfigApplicationContext ac = new AnnotationConfigApplicationContext(AppConfig.class);

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. 안녕하세요 실행후 에러가 나는데 혹시 원인이 어떤걸까요...?? 전체 코드와 에러 첨부합니다...ㅠㅠpackage hello.core.singleton;import hello.core.AppConfig;import hello.core.member.MemberRepository;import hello.core.member.MemberServiceImpl;import hello.core.order.OrderServiceImpl;import org.assertj.core.api.Assertions;import org.junit.jupiter.api.Test;import org.springframework.context.ApplicationContext;import org.springframework.context.annotation.AnnotationConfigApplicationContext;import static org.assertj.core.api.Assertions.assertThat;public class ConfigurationSingletonTest {@Test void configurationTest(){ApplicationContext ac = new AnnotationConfigApplicationContext(AppConfig.class); MemberServiceImpl memberService = ac.getBean("memberService", MemberServiceImpl.class); OrderServiceImpl orderService = ac.getBean("orderService", OrderServiceImpl.class); MemberRepository memberRepository = ac.getBean("memberRepository", MemberRepository.class); MemberRepository memberRepository1 = memberService.getMemberRepository(); MemberRepository memberRepository2 = orderService.getMemberRepository(); System.out.println("memberService -> memberRepository1 = " + memberRepository1); System.out.println("orderService -> memberRepository2 = " + memberRepository2); System.out.println("memberRepository = " + memberRepository); assertThat(memberService.getMemberRepository()).isSameAs(memberRepository); assertThat(orderService.getMemberRepository()).isSameAs(memberRepository); }@Test void configurationDeep(){ApplicationContext ac = new AnnotationConfigApplicationContext(AppConfig.class); AppConfig bean = ac.getBean(AppConfig.class); System.out.println("bean = " + bean.getClass()); }} "C:\Program Files\Java\jdk-11\bin\java.exe" -ea -Didea.test.cyclic.buffer.size=1048576 "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA 2023.1.4\lib\idea_rt.jar=60814:C:\Program Files\JetBrains\IntelliJ IDEA 2023.1.4\bin" -Dfile.encoding=UTF-8 -classpath "C:\Users\Lets Go 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Rust\.gradle\caches\modules-2\files-2.1\org.springframework\spring-expression\5.3.28\d049216b1a73b939b36bbf5cc7ce734cace7b245\spring-expression-5.3.28.jar;C:\Users\Lets Go Rust\.gradle\caches\modules-2\files-2.1\ch.qos.logback\logback-core\1.2.12\1d8e51a698b138065d73baefb4f94531faa323cb\logback-core-1.2.12.jar;C:\Users\Lets Go Rust\.gradle\caches\modules-2\files-2.1\org.apache.logging.log4j\log4j-api\2.17.2\f42d6afa111b4dec5d2aea0fe2197240749a4ea6\log4j-api-2.17.2.jar;C:\Users\Lets Go Rust\.gradle\caches\modules-2\files-2.1\org.ow2.asm\asm\9.3\8e6300ef51c1d801a7ed62d07cd221aca3a90640\asm-9.3.jar;C:\Users\Lets Go Rust\.gradle\caches\modules-2\files-2.1\org.junit.jupiter\junit-jupiter-engine\5.8.2\c598b4328d2f397194d11df3b1648d68d7d990e3\junit-jupiter-engine-5.8.2.jar;C:\Users\Lets Go Rust\.gradle\caches\modules-2\files-2.1\org.objenesis\objenesis\3.2\7fadf57620c8b8abdf7519533e5527367cb51f09\objenesis-3.2.jar;C:\Users\Lets Go Rust\.gradle\caches\modules-2\files-2.1\org.junit.platform\junit-platform-engine\1.8.2\b737de09f19864bd136805c84df7999a142fec29\junit-platform-engine-1.8.2.jar" com.intellij.rt.junit.JUnitStarter -ideVersion5 -junit5 hello.core.singleton.ConfigurationSingletonTest,configurationTest14:44:00.952 [main] DEBUG org.springframework.context.annotation.AnnotationConfigApplicationContext - Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@5d7148e214:44:00.986 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor'14:44:01.350 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.event.internalEventListenerProcessor'14:44:01.356 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.event.internalEventListenerFactory'14:44:01.358 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor'14:44:01.371 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.annotation.internalCommonAnnotationProcessor'14:44:01.405 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'appConfig'14:44:01.447 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'memberService'call AppConfig.memberService14:44:01.512 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'memberRepository'call AppConfig.memberRepository14:44:01.514 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'orderService'call AppConfig.orderService14:44:01.517 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'discountPolicy'memberService -> memberRepository1 = hello.core.member.MemoryMemberRepository@74a6a609orderService -> memberRepository2 = hello.core.member.MemoryMemberRepository@5a411614memberRepository = hello.core.member.MemoryMemberRepository@5a411614java.lang.AssertionError: Expecting actual: hello.core.member.MemoryMemberRepository@5a411614and actual: hello.core.member.MemoryMemberRepository@74a6a609to refer to the same object at hello.core.singleton.ConfigurationSingletonTest.configurationTest(ConfigurationSingletonTest.java:32) 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.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:725) at org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60) at org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131) at org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:149) at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:140) at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:84) at org.junit.jupiter.engine.execution.ExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(ExecutableInvoker.java:115) at org.junit.jupiter.engine.execution.ExecutableInvoker.lambda$invoke$0(ExecutableInvoker.java:105) at org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106) at org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64) at org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45) at org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:37) at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:104) at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:98) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$7(TestMethodTestDescriptor.java:214) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:210) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:135) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:66) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:151) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$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$9(NodeTestTask.java:139) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) at java.base/java.util.ArrayList.forEach(ArrayList.java:1541) at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$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)Process finished with exit code -1

spring boot project 에서 hbase 를 사용하려고 하는데요,영한님 강의를 들어보니 data-jpa 를 적용해보고 싶어졌습니다. 구글링해보니 apache-phoenix 구현체(JPA 인터페이스 구현체) 를 활용하면 된다는 이야기도 있긴하지만, 활용 사례가 많지 않아서 정보를 얻기 어려웠는데요~ 혹시 추천해주실 만한 hbase-JPA best practice가 있을까요?

sts3 사용해서 하려는데 강의를 보고 따라하는데 지원이 안되거나 지장이 있을까요 ?

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]현재 MAC OS X Sonoma Beta 상에서 실습 진행중이며기본 언어는 영어로 설정되어있습니다.기본 언어가 영어로 설정되어있어 그런지 default가 messages_en.properties로 잡히는 것 같은데요 Locale 파라미터를 설정하려고 보니 Locale.KOREALocale.KOREAN 2가지가 존재하고 두가지를 모두 입력해봐도 한국어는 테스트가 성공하지 않네요 그렇다면 1) 현재 기본 언어가 영어이기 때문에 TEST 코드에서도 null로 가는 경우 accepted-language가 영어로 가기 때문에 default가 무시되고 messages_en으로 처리됨 2) LOCALE을 KOREAN으로 하더라도 messages_en.properties처럼 ko properties를 작성하지 않았기 때문에 결국에는 messages.properties는 기본 언어가 한국어가 아닌 경우 꼭 _ko를 뒤에 붙여주지 않는 이상 기본값으로 동작하지 않는것으로 이해했는데 이부분이 맞을까요?

[질문 내용]여기에 질문 내용을 남겨주세요.1. Tasks - other에 compileQuerydsl이 없어서 compileJava를 눌러서 했는데 괜찮은지 ??2.강사님과 다르게 build /generated 이렇게 생성되어도 문제가 없는지?저런식으로 Q파일들이 생성되었는데 import가 안되고 사용이 안되는 이유 알려주시면 감사하겠습니다. 

책 이름 등록하고 사용자가 대여하는 기능을 하고있는데책 대출 기능에서 사용자이름과 책이름을 입력하고 저장하게되면내부 서버오류 500 뜨면서 java.lang.NullPointerException: null 이라고 나옵니다.구글링을 해봤는데 해결이 안되서 질문드립니다. 

1. 강의 내용과 관련된 질문인가요? (예)2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예)질문 잘하기 메뉴얼을 읽어보셨나요? (예)==================================================================안녕하세요. 선생님 덕분에 많은 것을 배우고 있는 취준생입니다.현재 상황회원 정보에 대한 공통 DTO 생성 (회원 엔티티에 노출 가능한 모든 필드를 담았습니다.) 목표공통 DTO에 validation 적용 문제 상황공통 DTO를 사용하니 컨트롤러, 서비스 로직에 따라 조건이 달라 Bean validation 적용에 어려움을 겪고 있습니다.ex) 서비스 메소드 마다 member_id가 필요한 경우가 있고, 없는 경우가 있습니다. 생각해본 해결 방법Bean validation(어노테이션)을 통해 최소한에 검증만 한 후 개별 로직안에서 추가 validation을 진행한다.가장 간단하나 로직이 지저분해질 것 같습니다. 공통 DTO를 validation을 따라 분리한다.DTO 분리 기준이 validation이라는 점이 타당하지 않은 것 같습니다. DTO 생성을 별도의 팩토리로 분리하여 팩토리 내에서 validation을 진행한다.DTO 생성과 검증에 대한 로직을 숨길 수 있는 장점이 있지만 DTO 수가 늘어날수록 팩토리 클래스도 많아져서 복잡도가 올라 갈 것 같습니다. DTO 내에 별도의 검증 메소드를 만들어 생성될 때 validation을 진행한다. Bean validation group을 사용한다. 질문JPA 강의에서 공통 DTO를 사용 후 예외 케이스만 분리하신다는 답변을 봤습니다. 공통 DTO에 경우 validation을 주로 어떻게 해결하시는지 궁금합니다!!공통 DTO에 회원 엔티티에 대부분 필드를 담았는데, 위에 말씀하신 공통 DTO를 잘못 이해하여 범위를 너무 크게 잡아 생긴 문제인지 혹은 Bean validation으로 풀어내려는 강박인지(?) 궁금합니다!!읽어주셔서 감사합니다!!

@ComponentScan 으로 bean을 찾아서 등록하는 과정에 대해서는 이해를 했습니다.근데 AppConfig, AutoAppConfig가 모두 없는 상태에서도 bean이 자동 등록되는건 @SpringBootApplication 어노테이션을 사용하는 class가 존재하기 때문이라고 봐도 되는건가요?(@ComponentScan을 포함하므로) 위 예제에서 AutoAppConfig를 보여주신 예는 컴포넌트 스캔의 예를 보여주신거고 실제 구현에서 자동 스캔을 위해 AutoAppConfig를 따로 두지는 않아도 되는걸까요?  

안녕하세요강의를 듣던 중 궁금함이 생겨서 질문드립니다.msa 환경에서, 레디스를 사용할 수 있는 상황이라면 레디스를 사용하는 것이 제일 좋은 방법인가요? 아니면 db락을 사용하는 것이 더 좋을 수도 있나요? 만약 db락을 사용하는 것이 더 좋을 수도 있다면, 그 상황은 어떤 상황이 있을까요?

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. 환경변수에서 Java 8을 제거했는데 계속 이 오류가 뜹니다. java 17은 설치도 했고 환경변수 설정도 했습니다.

@Test void 회원가입() { //given Member member = new Member(); member.setName("hello"); //when Long saveId = memberService.join(member); //then ( 우리가 save한게 repository에 있는 것이랑 같아?를 찾는 로직) Member findMember = memberService.findOne(saveId).get(); assertThat(member.getName()).isEqualTo(findMember.getName()); //Assertions.assertThat(member.getName()).isEqualTo(findMember.getName()); } 위 회원가입 테스트 코드에서 처음에는 static으로 import 안해서(1) >>>>Assertions.assertThat(member.getName()).isEqualTo(findMember.getName());이렇게썼다가다시 import static org.assertj.core.api.Assertions.*;하면서 아래 로직으로 바꾸는 이유가 궁금합니다.(2) >>>>assertThat(member.getName()).isEqualTo(findMember.getName());굳이 바꾸는 이유가 무엇인지 궁금합니다.오로지 가독성때문에 그러는것인가요?그렇다면 처음부터 import static~으로는 import가 불가능한것인지도 궁금합니다!(1)처럼 쓴다음에 (2)로 다시 바꾸면서 import를 static으로 변경하는 방법만 있는지 궁금해서요. 

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.스프링에서 핸들러매핑에 저장되는 게 url 과 컨트롤러(핸들러) 의 관계를 저장하는 것으로 알고 있는데 정확히는 url 과 연결된 컨트롤러의 메서드를 저장하고 있다고 하면 되나요??  

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.java.lang.IllegalStateException: Failed to load ApplicationContext at 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:\work\hello-spring\hello-spring\out\production\classes\hello\hellospring\controller\MemberController.class]: Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'springConfig' defined in file [C:\work\hello-spring\hello-spring\out\production\classes\hello\hellospring\service\SpringConfig.class]: Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'springDataJpaMemberRepository' defined in hello.hellospring.repository.SpringDataJpaMemberRepository defined in @EnableJpaRepositories declared on JpaRepositoriesRegistrar.EnableJpaRepositoriesConfiguration: Invocation of init method failed; nested exception is org.springframework.data.repository.query.QueryCreationException: Could not create query for public abstract void hello.hellospring.repository.MemberRepository.clearStore(); Reason: Failed to create query for method public abstract void hello.hellospring.repository.MemberRepository.clearStore()! No property 'clearStore' found for type 'Member'; nested exception is java.lang.IllegalArgumentException: Failed to create query for method public abstract void hello.hellospring.repository.MemberRepository.clearStore()! No property 'clearStore' found for type 'Member' 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:921) 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.UnsatisfiedDependencyException: Error creating bean with name 'springConfig' defined in file [C:\work\hello-spring\hello-spring\out\production\classes\hello\hellospring\service\SpringConfig.class]: Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'springDataJpaMemberRepository' defined in hello.hellospring.repository.SpringDataJpaMemberRepository defined in @EnableJpaRepositories declared on JpaRepositoriesRegistrar.EnableJpaRepositoriesConfiguration: Invocation of init method failed; nested exception is org.springframework.data.repository.query.QueryCreationException: Could not create query for public abstract void hello.hellospring.repository.MemberRepository.clearStore(); Reason: Failed to create query for method public abstract void hello.hellospring.repository.MemberRepository.clearStore()! No property 'clearStore' found for type 'Member'; nested exception is java.lang.IllegalArgumentException: Failed to create query for method public abstract void hello.hellospring.repository.MemberRepository.clearStore()! No property 'clearStore' found for type 'Member' 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$0(AbstractBeanFactory.java:335) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:410) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1352) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1195) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$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.factory.BeanCreationException: Error creating bean with name 'springDataJpaMemberRepository' defined in hello.hellospring.repository.SpringDataJpaMemberRepository defined in @EnableJpaRepositories declared on JpaRepositoriesRegistrar.EnableJpaRepositoriesConfiguration: Invocation of init method failed; nested exception is org.springframework.data.repository.query.QueryCreationException: Could not create query for public abstract void hello.hellospring.repository.MemberRepository.clearStore(); Reason: Failed to create query for method public abstract void hello.hellospring.repository.MemberRepository.clearStore()! No property 'clearStore' found for type 'Member'; nested exception is java.lang.IllegalArgumentException: Failed to create query for method public abstract void hello.hellospring.repository.MemberRepository.clearStore()! No property 'clearStore' found for type 'Member' at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1804) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:620) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1391) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1311) at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:887) at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:791) ... 112 moreCaused by: org.springframework.data.repository.query.QueryCreationException: Could not create query for public abstract void hello.hellospring.repository.MemberRepository.clearStore(); Reason: Failed to create query for method public abstract void hello.hellospring.repository.MemberRepository.clearStore()! No property 'clearStore' found for type 'Member'; nested exception is java.lang.IllegalArgumentException: Failed to create query for method public abstract void hello.hellospring.repository.MemberRepository.clearStore()! No property 'clearStore' found for type 'Member' at org.springframework.data.repository.query.QueryCreationException.create(QueryCreationException.java:101) at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.lookupQuery(QueryExecutorMethodInterceptor.java:107) at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.lambda$mapMethodsToQuery$1(QueryExecutorMethodInterceptor.java:95) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Collections$UnmodifiableCollection$1.forEachRemaining(Collections.java:1054) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) 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.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578) at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.mapMethodsToQuery(QueryExecutorMethodInterceptor.java:97) at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.lambda$new$0(QueryExecutorMethodInterceptor.java:87) at java.base/java.util.Optional.map(Optional.java:265) at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.<init>(QueryExecutorMethodInterceptor.java:87) at org.springframework.data.repository.core.support.RepositoryFactorySupport.getRepository(RepositoryFactorySupport.java:365) at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.lambda$afterPropertiesSet$5(RepositoryFactoryBeanSupport.java:323) at org.springframework.data.util.Lazy.getNullable(Lazy.java:231) at org.springframework.data.util.Lazy.get(Lazy.java:115) at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.afterPropertiesSet(RepositoryFactoryBeanSupport.java:329) at org.springframework.data.jpa.repository.support.JpaRepositoryFactoryBean.afterPropertiesSet(JpaRepositoryFactoryBean.java:144) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1863) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1800) ... 123 moreCaused by: java.lang.IllegalArgumentException: Failed to create query for method public abstract void hello.hellospring.repository.MemberRepository.clearStore()! No property 'clearStore' found for type 'Member' at org.springframework.data.jpa.repository.query.PartTreeJpaQuery.<init>(PartTreeJpaQuery.java:96) at org.springframework.data.jpa.repository.query.JpaQueryLookupStrategy$CreateQueryLookupStrategy.resolveQuery(JpaQueryLookupStrategy.java:119) at org.springframework.data.jpa.repository.query.JpaQueryLookupStrategy$CreateIfNotFoundQueryLookupStrategy.resolveQuery(JpaQueryLookupStrategy.java:259) at org.springframework.data.jpa.repository.query.JpaQueryLookupStrategy$AbstractQueryLookupStrategy.resolveQuery(JpaQueryLookupStrategy.java:93) at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.lookupQuery(QueryExecutorMethodInterceptor.java:103) ... 145 moreCaused by: org.springframework.data.mapping.PropertyReferenceException: No property 'clearStore' found for type 'Member' at org.springframework.data.mapping.PropertyPath.<init>(PropertyPath.java:91) at org.springframework.data.mapping.PropertyPath.create(PropertyPath.java:438) at org.springframework.data.mapping.PropertyPath.create(PropertyPath.java:414) at org.springframework.data.mapping.PropertyPath.lambda$from$0(PropertyPath.java:367) at java.base/java.util.concurrent.ConcurrentMap.computeIfAbsent(ConcurrentMap.java:330) at org.springframework.data.mapping.PropertyPath.from(PropertyPath.java:349) at org.springframework.data.mapping.PropertyPath.from(PropertyPath.java:332) at org.springframework.data.repository.query.parser.Part.<init>(Part.java:81) at org.springframework.data.repository.query.parser.PartTree$OrPart.lambda$new$0(PartTree.java:250) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) 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.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578) at org.springframework.data.repository.query.parser.PartTree$OrPart.<init>(PartTree.java:251) at org.springframework.data.repository.query.parser.PartTree$Predicate.lambda$new$0(PartTree.java:384) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) 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.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578) at org.springframework.data.repository.query.parser.PartTree$Predicate.<init>(PartTree.java:385) at org.springframework.data.repository.query.parser.PartTree.<init>(PartTree.java:93) at org.springframework.data.jpa.repository.query.PartTreeJpaQuery.<init>(PartTreeJpaQuery.java:89) ... 149 moreProcess finished with exit code -1 이런 오류가 납니다. 어디를 고쳐야 할까요?

[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (아니요)2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예)3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예)[질문 내용]강의를 보고 엔티티를 설계하여 프로젝트를 진행하고 있습니다. 강의에서 말씀해주신대로 모든 FetchType을 LAZY로 하여 개발하고 있는데 문득 지연로딩이 실제로 어떤 상황에 필요한지가 궁금해졌습니다.강의에서 말씀해주신대로 연관관계 매핑 데이터를 즉시 가져오지 않고 필요할 때 사용할 수 있도록 할 때 지연로딩을 사용한다는 것은 이해했습니다.실무에서 어떤 상황에 적용되는지 찾아보니, 여러 이미지들을 스크롤하면서 이미지를 실제로 화면에서 보게 될 때 사용하면 효율적이라는 포스팅을 보았습니다.그런데 또 실무에서는 OSIV를 off한다고 보았습니다. OSIV가 off라면 영속성 컨텍스트가 Service, Repository에서만 살아있게 되어 어쨌든 Service 단에서 모두 처리해야 하는데 그렇다면 지연로딩이나 즉시로딩이나 별 차이가 없는 것 아닌가요?? 혹시 제가 잘못 알고 있는 것이 있는지, 어떤 상황에서 지연로딩을 사용하는 것이 좋은지 궁금합니다. 감사합니다:)

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]안녕하세요. 강사님의 강의를 쭉 따라들으며 진행하던 중, 데이터베이스까지 연동을 하여 localhost:8080에 회원 목록이 뜨는 것을 확인했습니다.근데 회원 가입 페이지에서 shkim99라는 이름을 입력하고 엔터를 누른 뒤, localhost:8080 페이지로 갔다가 회원 목록을 눌러보니까 위 사진처럼 인덱스 번호가 2가 아닌 33으로 할당되어 있더라구요... 왜 그런걸까요??코드도 처음부터 끝까지 김영한 강사님과 똑같이 설정했습니다.  그리고 추가적으로 이번 강의의 내용은 실무에서 사용하지 않는 건가요?? 강사님께서 처음에 강의 시작하실 때 "고전 방식이라 우리 선배들은 이렇게 개발했구나~ 하면서 편하게 들으세요." 라고 하셨는데 이번 강의 내용 전체에 대한 말씀이신지 궁금하네요. 

부모에서 자식 팝업을 띄울 때,this.gfnOpenPopup("popup", "Board::OB_001_02.xfdl", oArg, sPopupCallBack, oOption);이렇게 사용한다고 하셨는데,sPopupCallBack 사용예시가 있을까요? 팝업 내에서 서버호출 후에 콜백함수 예시는 있는데, 자식 팝업에서 부모로 콜백시키는 함수(sPopupCallBack) 는 있는데 예시는 없어서요. 자식 팝업에서 수정완료 후 this.close(); 하면서 부모의 그리드(주문내역 조회)를 reload 하고싶습니다.

주문 수정 구현 강의 중 xml에 update 쿼리 작성시 <update> 대신 <insert> 태그를 사용한 이유가 따로 있을까요?

https://github.com/bgseong/Security-test public class JwtAuthorizationFilter extends BasicAuthenticationFilter { private TokenService tokenService; public JwtAuthorizationFilter(AuthenticationManager authenticationManager, TokenService tokenService) { super(authenticationManager); this.tokenService = tokenService; } @Override protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain chain) throws IOException, ServletException { super.doFilterInternal(request, response, chain); String token = tokenService.resolveToken(request); if(token == null){ chain.doFilter(request, response); return; } if (tokenService.validateToken(token)) { Authentication authentication = tokenService.getAuthentication(token); SecurityContextHolder.getContext().setAuthentication(authentication); System.out.println(SecurityContextHolder.getContext().getAuthentication()); } chain.doFilter(request,response); } }@EnableWebSecurity @Configuration @RequiredArgsConstructor @EnableGlobalMethodSecurity(prePostEnabled = true) public class SecurityConfig { @Autowired TokenService tokenService; @Autowired CorsConfig corsConfig; @Bean public PasswordEncoder passwordEncoder() { return new BCryptPasswordEncoder(); } @Bean public SecurityFilterChain filterChain(HttpSecurity http) throws Exception{ http .csrf().disable() .httpBasic().disable() .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS) .and() .formLogin().disable() .apply(new MyCustomDsl()) .and() .authorizeHttpRequests(authorize -> authorize .requestMatchers(PathRequest.toStaticResources().atCommonLocations()).permitAll() // 특정 정적 리소스 허용 .requestMatchers("/api/v1/user/**").hasAnyRole("ADMIN", "MANAGER") .requestMatchers("/api/v1/manager/**").hasRole("ADMIN") .requestMatchers("/api/v1/admin/**").hasRole("ROLE_ADMIN") .anyRequest().permitAll()); return http.build(); } public class MyCustomDsl extends AbstractHttpConfigurer<MyCustomDsl, HttpSecurity> { @Override public void configure(HttpSecurity http) throws Exception { AuthenticationManager authenticationManager = http.getSharedObject(AuthenticationManager.class); http .addFilter(corsConfig.corsFilter()) .addFilter(new LoginFilter(authenticationManager,tokenService)) .addFilter(new JwtAuthorizationFilter(authenticationManager,tokenService)); } } }@Component public class TokenService implements InitializingBean { private final UserRepository usersrepository; private final Logger logger = LoggerFactory.getLogger(TokenService.class); private static final String AUTHORITIES_KEY = "auth"; private final String secret; private final long accessTokenValidityInMilliseconds; private final long refreshTokenValidityInMilliseconds; public static final String AUTHORIZATION_HEADER = "Authorization"; public static final String REFRESHTOKEN_HEADER = "RefreshToken"; private Key key; public TokenService( UserRepository usersrepository, @Value("${spring.jwt.secret}") String secret, @Value("${spring.jwt.token-validity-in-seconds}") long tokenValidityInSeconds) { this.usersrepository = usersrepository; this.secret = secret; this.accessTokenValidityInMilliseconds = tokenValidityInSeconds * 500; this.refreshTokenValidityInMilliseconds = tokenValidityInSeconds * 1000 * 336; } @Override public void afterPropertiesSet() { byte[] keyBytes = Decoders.BASE64.decode(secret); this.key = Keys.hmacShaKeyFor(keyBytes); } public String createAccessToken(PrincipalDetails principalDetails) { return createAccessToken(principalDetails.getUser().getEmail(), principalDetails.getAuthorities()); } public String createRefreshToken(PrincipalDetails principalDetails) { return createRefreshToken(principalDetails.getUser().getEmail(), principalDetails.getAuthorities()); } public String createAccessToken(String email, Collection<? extends GrantedAuthority> inputAuthorities) { String authorities = inputAuthorities.stream() .map(GrantedAuthority::getAuthority) .collect(Collectors.joining(",")); long now = (new Date()).getTime(); String accessToken = Jwts.builder() .setSubject(email) .claim(AUTHORITIES_KEY, authorities) .signWith(key, SignatureAlgorithm.HS512) .setExpiration(new Date(now + this.accessTokenValidityInMilliseconds)) .compact(); return accessToken; } public String createRefreshToken(String email, Collection<? extends GrantedAuthority> inputAuthorities) { String authorities = inputAuthorities.stream() .map(GrantedAuthority::getAuthority) .collect(Collectors.joining(",")); long now = (new Date()).getTime(); String Token = Jwts.builder() .setSubject(email) .claim(AUTHORITIES_KEY, authorities) .signWith(key, SignatureAlgorithm.HS512) .setExpiration(new Date(now + this.refreshTokenValidityInMilliseconds)) .compact(); return Token; } public Authentication getAuthentication(String token) { Claims claims = Jwts .parserBuilder() .setSigningKey(key) .build() .parseClaimsJws(token) .getBody(); User user = usersrepository.findByEmail(claims.get("sub",String.class)); Collection<? extends GrantedAuthority> authorities = Arrays.stream(claims.get(AUTHORITIES_KEY).toString().split(",")) .map(SimpleGrantedAuthority::new) .collect(Collectors.toList()); PrincipalDetails principal = new PrincipalDetails(user); return new UsernamePasswordAuthenticationToken(principal, null, authorities); } public String resolveToken(HttpServletRequest request) { String bearerToken = request.getHeader(AUTHORIZATION_HEADER); if (StringUtils.hasText(bearerToken) && bearerToken.startsWith("Bearer ")) { return bearerToken.substring(7); } return null; } public boolean validateToken(String token) { try { Jwts.parserBuilder().setSigningKey(key).build().parseClaimsJws(token); return true; } catch (io.jsonwebtoken.security.SecurityException | MalformedJwtException e) { logger.info("worng JWT sign"); } catch (ExpiredJwtException e) { logger.info("expire JWT"); } catch (UnsupportedJwtException e) { logger.info("No support JWT"); } catch (IllegalArgumentException e) { logger.info("JWT is worng"); } return false; } }이렇게 구성해 놨습니다. 그런데 모든 권한이 적용된 url에 접근을 하면 403 에러가 뜹니다.필터에서 SecurityContextHolder를 출력하면 아래와 같이 출력이 되는 걸 확인했고[Principal=com.securitytest.Securitytest.auth.PrincipalDetails@45095607, Credentials=[PROTECTED], Authenticated=true, Details=null, Granted Authorities=[ROLE_ADMIN]]컨트롤러에서 PrincipalDetails를 호출해보니, null이라서 오류가 난다고 뜹니다. 무엇이 문제일까요ㅠㅠ..