@Autowired로 EntityManager를 주입받을때 여러 쓰레드가 동시에 접근하면 동시성 문제가 발생합니다.하지만 @Transactional을 추가해준다면//1 @Repository @RequiredArgsConstructor @Transactional public class AutowiredRepository { private final EntityManager em; } //2 @Repository public class PersistenceContextRepository { @PersistenceContext private EntityManager em; }@PersistenceContext 처럼 Transaction에 의해 쓰레드간 동시성 문제를 해결해준다고 생각하는데 맞게 생각한건지 궁금합니다.두가지 방법 다 EntityManager를 호출 할때마다 Proxy를 통해 EntityManager를 생성하여 Thread-Safe를 보장해준다라고 볼수 있는 건가요?? 답변주시면 정말 감사하겠습니다.

안녕하세요 강사님.스프링 환경에서 작업 진행 중에 JWT를 구현하고자 하는데, 강사님 수업도 마찬가지이며 구글링해봐도 정보들 대부분이 스프링 부트 환경에서 JWT 구현하는 내용들이라 궁금합니다.스프링 부트가 아닌 스프링 환경에서도 JWT 구현이 가능한가요?가능하다면 스프링 부트에서 구현하는 방식을 따라도 될까요?

경로를 지정해주지 않아도 잘 모든게 잘 동작하는데 혹시 사용하시는 이유가 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)네2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/아니오)네3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/아니오)네[질문 내용]여기에 질문 내용을 남겨주세요. 연관관계 메서드에서 addOrderItem메서드의 orderItem.add(orderItem)부분을 보면 연관관계 주인이 아닌곳에 값을 설정해 주는데 이렇게 하면 값이 들어가지 않는다고 알고 있는데 왜 주인이 아닌곳에 값을 넣어주는 건가요??바로 밑에 orderItem.setOrder(this) 이런식으로 오더를 넣어주는 상황이면 주인이 아닌쪽에서도 값을 넣을 수 있는건가요?

UserController.javaUserUpdateRequest.java  지난 강의에서 사용한 @PostMapping @GetMapping, 이번강의에서 PutMapping과 같이 사용한 @DeleteMapping은 정상적으로 작동이 되지만 @PutMapping만 문제가 발생하여 질문드립니다.Import가 안됐나 싶어 Import를 시도해보았지만 Import와 관련된 문제는 아니었던것 같습니다. @PutMapping과 updateUser의 @RequestBody 공통적으로 Annotations are not allowed here가 발생합니다.

스프링부트 api 서버가 여러개 있을때그라파나에서 각각 서버 모니터링 하고 싶은데 이럴땐 어떻게 하나요?

실무에서는 Hot Sequence가 어떤 경우에 사용되나요?!

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.2019년형 맥북 사용중인데요, .gradlew build 부분에서 자꾸 오류가 나네요. 왠만한거 검색이랑 다른 토론글로 자바 11로 다 수정했는데 계속 오류가 나요.마지막사진에 자바 버전이 1.8 로 되어있어서 그것도 바꿀려고 했는데 계속 안바뀌네요...혹시 뭐가문제인지 알수있을까요?

트랜잭션 추상화시키는데, 이것도 일관성 있는 서비스 추상화로 볼 수 있는건가요?공통 인터페이스를 만들어서 구현체만 바꿔주는 방법이 일관성 있는 서비스 추상화를 활용하는 것으로 볼 수 있는건가요?

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.위의 코드에서txTemplate의 타입은 TransactionTemplate인데생성자를 만들 때는 왜PlatformTransactionManager의 타입으로 받는건가요?2. TracsactionTemplate 타입인 txTemplate에 어떻게 PlatformTransactionManager의 타입으로도 주입해줄 수 있는건가요?tracsactionTemplate와 PlatformTransactionManager는 어떤 관계가 있는건가요? 위와 같은 설명과 연관이 있는거 같은데 잘 이해가 안됩니다 설명 부탁드립니다!

12번째줄에서FixDiscountPolicy discountPolicy =new FixDiscountPolicy();이렇게써도 정상적으로 test에는 성공하던데, 선생님의 DiscountPolicy discountPolicy=new FixDiscountPolicy();와FixDiscountPolicy discountPolicy =new FixDiscountPolicy();뜻 차이는 뭔가요?그리고 선생님처럼 써야하는 이유는 무엇인지 궁금합니다.

[질문 템플릿]1. 강의 내용과 관련된 질문인가요? 예2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? 예3. 질문 잘하기 메뉴얼을 읽어보셨나요? 예[질문 내용]테스트 시에 선생님 화면처럼 관련 로그가 나오지 않는데, 어떻게 설정해야 하는지 궁금합니다![제 화면][선생님 화면]

[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]안녕하세요. xml 부분을 듣고 있는데, 테스트는 통과하지만 logback 파일과 관련해서 에러 메시지가 뜹니다.로그 출력 문제로 logback.xml 파일을 추가했는데 혹시 원인을 알 수 있을까요?한 번 에러가 나니까 테스트를 실행할 때마다 계속 뜹니다. 해당 에러 메시지입니다.Failed to auto configure default logger context Reported exception: ch.qos.logback.core.joran.spi.JoranException: Problem parsing XML document. See previously reported errors. at ch.qos.logback.core.joran.event.SaxEventRecorder.recordEvents(SaxEventRecorder.java:65) at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:151) at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:110) at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:53) at ch.qos.logback.classic.util.ContextInitializer.configureByResource(ContextInitializer.java:64) at ch.qos.logback.classic.util.ContextInitializer.autoConfig(ContextInitializer.java:134) at org.slf4j.impl.StaticLoggerBinder.init(StaticLoggerBinder.java:84) at org.slf4j.impl.StaticLoggerBinder.<clinit>(StaticLoggerBinder.java:55) at org.slf4j.LoggerFactory.bind(LoggerFactory.java:150) at org.slf4j.LoggerFactory.performInitialization(LoggerFactory.java:124) at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:417) at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:362) at org.apache.commons.logging.LogAdapter$Slf4jAdapter.createLocationAwareLog(LogAdapter.java:130) at org.apache.commons.logging.LogAdapter.createLog(LogAdapter.java:91) at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:67) at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:59) at org.springframework.context.support.AbstractApplicationContext.<init>(AbstractApplicationContext.java:178) at org.springframework.context.support.GenericApplicationContext.<init>(GenericApplicationContext.java:114) at org.springframework.context.annotation.AnnotationConfigApplicationContext.<init>(AnnotationConfigApplicationContext.java:67) at org.springframework.context.annotation.AnnotationConfigApplicationContext.<init>(AnnotationConfigApplicationContext.java:91) at hello.core.beanDefinition.BeanDefinitionTest.<init>(BeanDefinitionTest.java:11) at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490) at org.junit.platform.commons.util.ReflectionUtils.newInstance(ReflectionUtils.java:550) at org.junit.jupiter.engine.execution.ConstructorInvocation.proceed(ConstructorInvocation.java:56) at org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131) at org.junit.jupiter.api.extension.InvocationInterceptor.interceptTestClassConstructor(InvocationInterceptor.java:73) 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:77) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.invokeTestClassConstructor(ClassBasedTestDescriptor.java:355) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateTestClass(ClassBasedTestDescriptor.java:302) at org.junit.jupiter.engine.descriptor.ClassTestDescriptor.instantiateTestClass(ClassTestDescriptor.java:79) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateAndPostProcessTestInstance(ClassBasedTestDescriptor.java:280) 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.xml.sax.SAXParseException; systemId: file:/C:/Users/Name/Desktop/%ec%8a%a4%ed%94%84%eb%a7%81%20%ea%b3%b5%eb%b6%80/core/core/out/production/resources/logback.xml; lineNumber: 1; columnNumber: 6; The processing instruction target matching "[xX][mM][lL]" is not allowed. at java.xml/com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1243) at java.xml/com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:635) at java.xml/com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl.parse(SAXParserImpl.java:324) at ch.qos.logback.core.joran.event.SaxEventRecorder.recordEvents(SaxEventRecorder.java:59) ... 89 more 18:12:13,063 |-INFO in ch.qos.logback.classic.LoggerContext[default] - Could NOT find resource [logback-test.xml] 18:12:13,063 |-INFO in ch.qos.logback.classic.LoggerContext[default] - Found resource [logback.xml] at [file:/C:/Users/Name/Desktop/%ec%8a%a4%ed%94%84%eb%a7%81%20%ea%b3%b5%eb%b6%80/core/core/out/production/resources/logback.xml] 18:12:13,205 |-ERROR in ch.qos.logback.core.joran.event.SaxEventRecorder@2ddc9a9f - XML_PARSING - Parsing fatal error on line 1 and column 6 18:12:13,205 |-ERROR in ch.qos.logback.core.joran.event.SaxEventRecorder@2ddc9a9f - org.xml.sax.SAXParseException; systemId: file:/C:/Users/Name/Desktop/%ec%8a%a4%ed%94%84%eb%a7%81%20%ea%b3%b5%eb%b6%80/core/core/out/production/resources/logback.xml; lineNumber: 1; columnNumber: 6; The processing instruction target matching "[xX][mM][lL]" is not allowed. 아래는 logback.xml 파일입니다.<?XML version="1.0" encoding="UTF-8"?> <configuration> <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender"> <encoder> <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} -%kvp- %msg%n</pattern> </encoder> </appender> <root level="INFO"> <appender-ref ref="STDOUT" /> </root> </configuration> 테스트가 패스는 되지만 혹시 추후 문제가 발생할까봐 질문 드립니다. 

트랜잭션안에 쓸수있는 EntityManager 없다고 에러가 뜹니다. 설정 문제인걸까요?org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'initDb': Invocation of init method failed; nested exception is javax.persistence.TransactionRequiredException: No EntityManager with actual transaction available for current thread - cannot reliably process 'persist' call at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:160) ~[spring-beans-5.3.29.jar:5.3.29] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:440) ~[spring-beans-5.3.29.jar:5.3.29] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1796) ~[spring-beans-5.3.29.jar:5.3.29] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:620) ~[spring-beans-5.3.29.jar:5.3.29] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[spring-beans-5.3.29.jar:5.3.29] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) ~[spring-beans-5.3.29.jar:5.3.29] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.29.jar:5.3.29] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) ~[spring-beans-5.3.29.jar:5.3.29] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) ~[spring-beans-5.3.29.jar:5.3.29] at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:955) ~[spring-beans-5.3.29.jar:5.3.29] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:921) ~[spring-context-5.3.29.jar:5.3.29] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:583) ~[spring-context-5.3.29.jar:5.3.29] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:147) ~[spring-boot-2.7.14.jar:2.7.14] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:731) ~[spring-boot-2.7.14.jar:2.7.14] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:408) ~[spring-boot-2.7.14.jar:2.7.14] at org.springframework.boot.SpringApplication.run(SpringApplication.java:307) ~[spring-boot-2.7.14.jar:2.7.14] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1303) ~[spring-boot-2.7.14.jar:2.7.14] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1292) ~[spring-boot-2.7.14.jar:2.7.14] at jpabook.jpashop.JpashopApplication.main(JpashopApplication.java:10) ~[main/:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[na:na] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:568) ~[na:na] at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:50) ~[spring-boot-devtools-2.7.14.jar:2.7.14] Caused by: javax.persistence.TransactionRequiredException: No EntityManager with actual transaction available for current thread - cannot reliably process 'persist' call at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:299) ~[spring-orm-5.3.29.jar:5.3.29] at jdk.proxy3/jdk.proxy3.$Proxy119.persist(Unknown Source) ~[na:na] at jpabook.jpashop.InitDb$InitService.dbInit1(InitDb.java:34) ~[main/:na] at jpabook.jpashop.InitDb.init(InitDb.java:20) ~[main/:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[na:na] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:568) ~[na:na] at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:389) ~[spring-beans-5.3.29.jar:5.3.29] at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeInitMethods(InitDestroyAnnotationBeanPostProcessor.java:333) ~[spring-beans-5.3.29.jar:5.3.29] at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:157) ~[spring-beans-5.3.29.jar:5.3.29] ... 23 common frames omitted  제코드입니다. package jpabook.jpashop; import jpabook.jpashop.domain.*; import jpabook.jpashop.domain.item.Book; import lombok.RequiredArgsConstructor; import org.springframework.stereotype.Component; import org.springframework.transaction.annotation.Transactional; import javax.annotation.PostConstruct; import javax.persistence.EntityManager; @Component @RequiredArgsConstructor public class InitDb { private final InitService initService; @PostConstruct public void init() { initService.dbInit1(); } @Component @Transactional @RequiredArgsConstructor static class InitService { private final EntityManager em; private void dbInit1() { Member member = new Member(); member.setName("UserA"); member.setAddress(new Address("서울", "1", "1111")); em.persist(member); Book book1 = new Book(); book1.setName("JPA1 BOOK"); book1.setPrice(10000); book1.setStockQuantity(100); em.persist(book1); Book book2 = new Book(); book2.setName("JPA2 BOOK"); book2.setPrice(20000); book2.setStockQuantity(100); em.persist(book2); OrderItem orderItem1 = OrderItem.createOrderItem(book1, 10000, 1); OrderItem orderItem2 = OrderItem.createOrderItem(book2, 20000, 1); Delivery delivery = new Delivery(); delivery.setAddress(member.getAddress()); Order order = Order.createOrder(member, delivery, orderItem1, orderItem2); em.persist(order); } } }     

안녕하세요 :)이클립스 설치 중 오류 메세지로 인해 진행이 안되고 있어 문의남겨드립니다강의자료에 기재되어있는 그대로http://mangosteen.tobesoft.co.kr/nexus/repository/tobesoft-snapshots/archetype-catalog.xml Description : TOBESOFT로 넣어서 설치 진행하였고말씀해 주신 버전과 Version : 1.0.1-20220603.053230-4(매우 중요!! 반드시 이 버전으로 해야함)동일하게 진행을 하였는데요 아래와 같은 오류가 뜹니다'Creating uiadapter-spring-sample-archetype'has encountered a problem. Failed to create project.이클립스 문제인가 싶어서 재설치 후 동일하게 설정을 진행하였는데도 같은 오류가 계속 발생됩니다. 문의드린사항 확인 후 답변 주시면 감사드리겠습니다 :) 

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.   EntityA 1:N EntityBEntityB 1:N EntityC이런식으로 있을 때 ,EntityA 가 EntityB를 @oneToMany로 가지고있고,EntityB 가 EntityC를 @oneToMany로 가지고 있습니다. 배치사이즈 옵션을 넣고select a from EntityA a 했을때 , EntityA의 갯수만큼 EntityB에 in절로 EntityA의 키값을 넣어서 @oneToMany를 한번에 끌고왔다고 했을 때 ,EntityB안에있는 EntityC를 또 EntityB의 갯수만큼 EntityC에 in절로 EntityB의 키값을 넣어서 한번에 끌고 올 수 있는 방법이 있는지 궁금했습니다. 다중 페치조인 안되는걸 알지만 예를 들어서 이런걸 원한다고 생각하시면 될 것 같습니다select a from EntityA a join fetch EnitityB(List) b join fetch b.EntityC(List)이런식으로 컬럼 갯수가 일대다 일대다로 기하급수적으로 증가하는 경우인데배치사이즈를 사용하여 select a from EntityA a 를 했을 땐 a.EntityB 에 접근할때 당연히 in 절로 가져와주지만 EntityB의 일대다인 EntityC 를 조회 할 땐 N+1이 다시 터집니다엮여있는 모든 연관관계들을 IN절로 태우고 싶은데 방법이 없을까요?

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]2023-09-06T15:55:42.478+09:00 INFO 7976 --- [ restartedMain] jpabooks.jpashop.JpashopApplication : Starting JpashopApplication using Java 17.0.7 with PID 7976 (D:\SelfStudySpring\jpashop\out\production\classes started by sjj in D:\SelfStudySpring\jpashop)2023-09-06T15:55:42.483+09:00 INFO 7976 --- [ restartedMain] jpabooks.jpashop.JpashopApplication : No active profile set, falling back to 1 default profile: "default"2023-09-06T15:55:42.569+09:00 INFO 7976 --- [ restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : Devtools property defaults active! Set 'spring.devtools.add-properties' to 'false' to disable2023-09-06T15:55:42.570+09:00 INFO 7976 --- [ restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : For additional web related logging consider setting the 'logging.level.web' property to 'DEBUG'2023-09-06T15:55:43.452+09:00 INFO 7976 --- [ restartedMain] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode.2023-09-06T15:55:43.482+09:00 INFO 7976 --- [ restartedMain] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 20 ms. Found 0 JPA repository interfaces.2023-09-06T15:55:44.366+09:00 INFO 7976 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8086 (http)2023-09-06T15:55:44.380+09:00 INFO 7976 --- [ restartedMain] o.apache.catalina.core.StandardService : Starting service [Tomcat]2023-09-06T15:55:44.380+09:00 INFO 7976 --- [ restartedMain] o.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/10.1.12]2023-09-06T15:55:44.496+09:00 INFO 7976 --- [ restartedMain] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext2023-09-06T15:55:44.498+09:00 INFO 7976 --- [ restartedMain] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 1926 ms2023-09-06T15:55:44.655+09:00 INFO 7976 --- [ restartedMain] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Starting...2023-09-06T15:55:44.856+09:00 INFO 7976 --- [ restartedMain] com.zaxxer.hikari.pool.HikariPool : HikariPool-1 - Added connection conn0: url=jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b user=SA2023-09-06T15:55:44.858+09:00 INFO 7976 --- [ restartedMain] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Start completed.2023-09-06T15:55:44.873+09:00 INFO 7976 --- [ restartedMain] o.s.b.a.h2.H2ConsoleAutoConfiguration : H2 console available at '/h2-console'. Database available at 'jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b'2023-09-06T15:55:45.058+09:00 INFO 7976 --- [ restartedMain] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [name: default]2023-09-06T15:55:45.138+09:00 INFO 7976 --- [ restartedMain] org.hibernate.Version : HHH000412: Hibernate ORM core version 6.2.7.Final2023-09-06T15:55:45.141+09:00 INFO 7976 --- [ restartedMain] org.hibernate.cfg.Environment : HHH000406: Using bytecode reflection optimizer2023-09-06T15:55:45.313+09:00 INFO 7976 --- [ restartedMain] o.h.b.i.BytecodeProviderInitiator : HHH000021: Bytecode provider name : bytebuddy2023-09-06T15:55:45.520+09:00 INFO 7976 --- [ restartedMain] o.s.o.j.p.SpringPersistenceUnitInfo : No LoadTimeWeaver setup: ignoring JPA class transformer2023-09-06T15:55:45.966+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983345966 | took 9ms | statement | connection 2| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504bselect * from INFORMATION_SCHEMA.SEQUENCESselect * from INFORMATION_SCHEMA.SEQUENCES;2023-09-06T15:55:45.983+09:00 INFO 7976 --- [ restartedMain] o.h.b.i.BytecodeProviderInitiator : HHH000021: Bytecode provider name : bytebuddy2023-09-06T15:55:46.832+09:00 INFO 7976 --- [ restartedMain] o.h.e.t.j.p.i.JtaPlatformInitiator : HHH000490: Using JtaPlatform implementation: [org.hibernate.engine.transaction.jta.platform.internal.NoJtaPlatform]2023-09-06T15:55:46.853+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : drop table if exists category cascade 2023-09-06T15:55:46.854+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346854 | took 0ms | statement | connection 3| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b drop table if exists category cascade drop table if exists category cascade ;2023-09-06T15:55:46.855+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : drop table if exists category_item cascade 2023-09-06T15:55:46.855+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346855 | took 0ms | statement | connection 3| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b drop table if exists category_item cascade drop table if exists category_item cascade ;2023-09-06T15:55:46.855+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : drop table if exists delivery cascade 2023-09-06T15:55:46.855+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346855 | took 0ms | statement | connection 3| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b drop table if exists delivery cascade drop table if exists delivery cascade ;2023-09-06T15:55:46.855+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : drop table if exists item cascade 2023-09-06T15:55:46.855+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346855 | took 0ms | statement | connection 3| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b drop table if exists item cascade drop table if exists item cascade ;2023-09-06T15:55:46.855+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : drop table if exists member cascade 2023-09-06T15:55:46.855+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346855 | took 0ms | statement | connection 3| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b drop table if exists member cascade drop table if exists member cascade ;2023-09-06T15:55:46.856+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : drop table if exists order_item cascade 2023-09-06T15:55:46.856+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346856 | took 0ms | statement | connection 3| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b drop table if exists order_item cascade drop table if exists order_item cascade ;2023-09-06T15:55:46.856+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : drop table if exists orders cascade 2023-09-06T15:55:46.856+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346856 | took 0ms | statement | connection 3| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b drop table if exists orders cascade drop table if exists orders cascade ;2023-09-06T15:55:46.856+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : drop sequence if exists category_seq2023-09-06T15:55:46.857+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346857 | took 0ms | statement | connection 3| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b drop sequence if exists category_seq drop sequence if exists category_seq;2023-09-06T15:55:46.857+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : drop sequence if exists delivery_seq2023-09-06T15:55:46.857+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346857 | took 0ms | statement | connection 3| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b drop sequence if exists delivery_seq drop sequence if exists delivery_seq;2023-09-06T15:55:46.857+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : drop sequence if exists item_seq2023-09-06T15:55:46.857+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346857 | took 0ms | statement | connection 3| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b drop sequence if exists item_seq drop sequence if exists item_seq;2023-09-06T15:55:46.858+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : drop sequence if exists member_seq2023-09-06T15:55:46.858+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346858 | took 0ms | statement | connection 3| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b drop sequence if exists member_seq drop sequence if exists member_seq;2023-09-06T15:55:46.858+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : drop sequence if exists order_item_seq2023-09-06T15:55:46.858+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346858 | took 0ms | statement | connection 3| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b drop sequence if exists order_item_seq drop sequence if exists order_item_seq;2023-09-06T15:55:46.858+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : drop sequence if exists orders_seq2023-09-06T15:55:46.858+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346858 | took 0ms | statement | connection 3| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b drop sequence if exists orders_seq drop sequence if exists orders_seq;2023-09-06T15:55:46.863+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : create sequence category_seq start with 1 increment by 502023-09-06T15:55:46.865+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346865 | took 1ms | statement | connection 4| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b create sequence category_seq start with 1 increment by 50 create sequence category_seq start with 1 increment by 50;2023-09-06T15:55:46.865+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : create sequence delivery_seq start with 1 increment by 502023-09-06T15:55:46.865+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346865 | took 0ms | statement | connection 4| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b create sequence delivery_seq start with 1 increment by 50 create sequence delivery_seq start with 1 increment by 50;2023-09-06T15:55:46.865+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : create sequence item_seq start with 1 increment by 502023-09-06T15:55:46.866+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346866 | took 0ms | statement | connection 4| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b create sequence item_seq start with 1 increment by 50 create sequence item_seq start with 1 increment by 50;2023-09-06T15:55:46.866+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : create sequence member_seq start with 1 increment by 502023-09-06T15:55:46.866+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346866 | took 0ms | statement | connection 4| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b create sequence member_seq start with 1 increment by 50 create sequence member_seq start with 1 increment by 50;2023-09-06T15:55:46.866+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : create sequence order_item_seq start with 1 increment by 502023-09-06T15:55:46.867+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346867 | took 0ms | statement | connection 4| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b create sequence order_item_seq start with 1 increment by 50 create sequence order_item_seq start with 1 increment by 50;2023-09-06T15:55:46.867+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : create sequence orders_seq start with 1 increment by 502023-09-06T15:55:46.867+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346867 | took 0ms | statement | connection 4| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b create sequence orders_seq start with 1 increment by 50 create sequence orders_seq start with 1 increment by 50;2023-09-06T15:55:46.869+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : create table category ( category_id bigint not null, parent_id bigint, name varchar(255), primary key (category_id) )2023-09-06T15:55:46.873+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346873 | took 3ms | statement | connection 4| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b create table category ( category_id bigint not null, parent_id bigint, name varchar(255), primary key (category_id) ) create table category ( category_id bigint not null, parent_id bigint, name varchar(255), primary key (category_id) );2023-09-06T15:55:46.874+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : create table category_item ( category_id bigint not null, item_id bigint not null )2023-09-06T15:55:46.874+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346874 | took 0ms | statement | connection 4| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b create table category_item ( category_id bigint not null, item_id bigint not null ) create table category_item ( category_id bigint not null, item_id bigint not null );2023-09-06T15:55:46.874+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : create table delivery ( delivery_id bigint not null, city varchar(255), status varchar(255) check (status in ('READY','COMP')), street varchar(255), zipcode varchar(255), primary key (delivery_id) )2023-09-06T15:55:46.876+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346876 | took 1ms | statement | connection 4| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b create table delivery ( delivery_id bigint not null, city varchar(255), status varchar(255) check (status in ('READY','COMP')), street varchar(255), zipcode varchar(255), primary key (delivery_id) ) create table delivery ( delivery_id bigint not null, city varchar(255), status varchar(255) check (status in ('READY','COMP')), street varchar(255), zipcode varchar(255), primary key (delivery_id) );2023-09-06T15:55:46.877+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : create table item ( price integer not null, stock_quantity integer not null, item_id bigint not null, dtype varchar(31) not null, actor varchar(255), artist varchar(255), author varchar(255), director varchar(255), etc varchar(255), isbn varchar(255), name varchar(255), primary key (item_id) )2023-09-06T15:55:46.878+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346878 | took 0ms | statement | connection 4| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b create table item ( price integer not null, stock_quantity integer not null, item_id bigint not null, dtype varchar(31) not null, actor varchar(255), artist varchar(255), author varchar(255), director varchar(255), etc varchar(255), isbn varchar(255), name varchar(255), primary key (item_id) ) create table item ( price integer not null, stock_quantity integer not null, item_id bigint not null, dtype varchar(31) not null, actor varchar(255), artist varchar(255), author varchar(255), director varchar(255), etc varchar(255), isbn varchar(255), name varchar(255), primary key (item_id) );2023-09-06T15:55:46.878+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : create table member ( member_id bigint not null, city varchar(255), name varchar(255), street varchar(255), zipcode varchar(255), primary key (member_id) )2023-09-06T15:55:46.879+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346879 | took 0ms | statement | connection 4| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b create table member ( member_id bigint not null, city varchar(255), name varchar(255), street varchar(255), zipcode varchar(255), primary key (member_id) ) create table member ( member_id bigint not null, city varchar(255), name varchar(255), street varchar(255), zipcode varchar(255), primary key (member_id) );2023-09-06T15:55:46.879+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : create table order_item ( count integer not null, order_price integer not null, item_id bigint, order_id bigint, order_item_id bigint not null, primary key (order_item_id) )2023-09-06T15:55:46.880+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346880 | took 0ms | statement | connection 4| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b create table order_item ( count integer not null, order_price integer not null, item_id bigint, order_id bigint, order_item_id bigint not null, primary key (order_item_id) ) create table order_item ( count integer not null, order_price integer not null, item_id bigint, order_id bigint, order_item_id bigint not null, primary key (order_item_id) );2023-09-06T15:55:46.882+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : create table orders ( status tinyint check (status between 0 and 1), delivery_id bigint unique, member_id bigint, order_date timestamp(6), order_id bigint not null, primary key (order_id) )2023-09-06T15:55:46.885+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346885 | took 2ms | statement | connection 4| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b create table orders ( status tinyint check (status between 0 and 1), delivery_id bigint unique, member_id bigint, order_date timestamp(6), order_id bigint not null, primary key (order_id) ) create table orders ( status tinyint check (status between 0 and 1), delivery_id bigint unique, member_id bigint, order_date timestamp(6), order_id bigint not null, primary key (order_id) );2023-09-06T15:55:46.886+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : alter table if exists category add constraint FK2y94svpmqttx80mshyny85wqr foreign key (parent_id) references category2023-09-06T15:55:46.892+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346892 | took 6ms | statement | connection 4| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b alter table if exists category add constraint FK2y94svpmqttx80mshyny85wqr foreign key (parent_id) references category alter table if exists category add constraint FK2y94svpmqttx80mshyny85wqr foreign key (parent_id) references category;2023-09-06T15:55:46.892+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : alter table if exists category_item add constraint FKu8b4lwqutcdq3363gf6mlujq foreign key (item_id) references item2023-09-06T15:55:46.894+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346894 | took 1ms | statement | connection 4| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b alter table if exists category_item add constraint FKu8b4lwqutcdq3363gf6mlujq foreign key (item_id) references item alter table if exists category_item add constraint FKu8b4lwqutcdq3363gf6mlujq foreign key (item_id) references item;2023-09-06T15:55:46.894+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : alter table if exists category_item add constraint FKcq2n0opf5shyh84ex1fhukcbh foreign key (category_id) references category2023-09-06T15:55:46.895+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346895 | took 1ms | statement | connection 4| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b alter table if exists category_item add constraint FKcq2n0opf5shyh84ex1fhukcbh foreign key (category_id) references category alter table if exists category_item add constraint FKcq2n0opf5shyh84ex1fhukcbh foreign key (category_id) references category;2023-09-06T15:55:46.895+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : alter table if exists order_item add constraint FKija6hjjiit8dprnmvtvgdp6ru foreign key (item_id) references item2023-09-06T15:55:46.897+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346897 | took 1ms | statement | connection 4| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b alter table if exists order_item add constraint FKija6hjjiit8dprnmvtvgdp6ru foreign key (item_id) references item alter table if exists order_item add constraint FKija6hjjiit8dprnmvtvgdp6ru foreign key (item_id) references item;2023-09-06T15:55:46.897+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : alter table if exists order_item add constraint FKt4dc2r9nbvbujrljv3e23iibt foreign key (order_id) references orders2023-09-06T15:55:46.898+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346898 | took 1ms | statement | connection 4| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b alter table if exists order_item add constraint FKt4dc2r9nbvbujrljv3e23iibt foreign key (order_id) references orders alter table if exists order_item add constraint FKt4dc2r9nbvbujrljv3e23iibt foreign key (order_id) references orders;2023-09-06T15:55:46.898+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : alter table if exists orders add constraint FKtkrur7wg4d8ax0pwgo0vmy20c foreign key (delivery_id) references delivery2023-09-06T15:55:46.899+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346899 | took 1ms | statement | connection 4| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b alter table if exists orders add constraint FKtkrur7wg4d8ax0pwgo0vmy20c foreign key (delivery_id) references delivery alter table if exists orders add constraint FKtkrur7wg4d8ax0pwgo0vmy20c foreign key (delivery_id) references delivery;2023-09-06T15:55:46.899+09:00 DEBUG 7976 --- [ restartedMain] org.hibernate.SQL : alter table if exists orders add constraint FKpktxwhj3x9m4gth5ff6bkqgeb foreign key (member_id) references member2023-09-06T15:55:46.901+09:00 INFO 7976 --- [ restartedMain] p6spy : #1693983346901 | took 1ms | statement | connection 4| url jdbc:h2:mem:1f4065c7-8198-4f9e-a2f8-a5551835504b alter table if exists orders add constraint FKpktxwhj3x9m4gth5ff6bkqgeb foreign key (member_id) references member alter table if exists orders add constraint FKpktxwhj3x9m4gth5ff6bkqgeb foreign key (member_id) references member;2023-09-06T15:55:46.903+09:00 INFO 7976 --- [ restartedMain] j.LocalContainerEntityManagerFactoryBean : Initialized JPA EntityManagerFactory for persistence unit 'default'2023-09-06T15:55:46.956+09:00 WARN 7976 --- [ restartedMain] 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 warning2023-09-06T15:55:47.167+09:00 INFO 7976 --- [ restartedMain] o.s.b.a.w.s.WelcomePageHandlerMapping : Adding welcome page: class path resource [static/index.html]2023-09-06T15:55:47.418+09:00 INFO 7976 --- [ restartedMain] o.s.b.d.a.OptionalLiveReloadServer : LiveReload server is running on port 357292023-09-06T15:55:47.469+09:00 INFO 7976 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8086 (http) with context path ''2023-09-06T15:55:47.487+09:00 INFO 7976 --- [ restartedMain] jpabooks.jpashop.JpashopApplication : Started JpashopApplication in 5.642 seconds (process running for 6.434)

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.  일단 페치조인으로 둘이상의 컬렉션은 페치 조인 할 수 없다는 걸 알았습니다, 이럴땐 배치사이즈로 컬렉션들을 in 절로 끌고오면 되는것도 이해했습니다. 궁금한것은 in절로 끌고온 컬렉션들안에 또 @oneToMany로 선언된 엔티티가 존재한다면 그 컬렉션들은 @Batchsize옵션으로 in절로 끌고 올 수 가 없나요? 배치 사이즈를 줘도 컬조회할 기준 엔티티에 직접적으로 존재하지 않는 컬렉션 엔티티들은 in절로 끌고오지않고 n+1이 터지는것같습니다

spring url 리다이렉트/포워딩 기술적 문의 드립니다안녕하세요 김동희입니다제가 공공기관 프로젝트에 개발자로 참여중입니다이쪽프로젝트 환경은jsp + 전자정부프레임웍(Spring) + html + postgre(db) 입니다이쪽 pm 이 알아봐달라고 부탁하는 사항이 있고,제가 생각하기에도 궁굼해서혹시 이런부분이 될런지 문의 드립니다메인 정부기관 홈페이지는 아래입니다 ex)https://www.url01.urlcom각 전국 지역별(강원,인천,제주..) 지자체관 별로 별도로 지역별 블로그 형식으로 지자체관 형식을 뛰웁니다ex) 강원특별자치도 인제군 지자체관https://www.url01.urlcom/xxx/xxx/xxxx/xxxxx/infoMain.do?ctpv=6420000&sgg=4330000하지만, 고객(공무원)측에서 url 하위로 깔리는 url 변수를 보여주지 말라지자체관별로 단축 url 을 사용 할 수 있게 해달라고 합니다 as-is https://www.url01.urlcom/xxx/xxx/xxxx/xxxxx/infoMain.do?ctpv=6420000&sgg=4330000to-be https://www.url01.urlcom/injegun 혹시 요청이 현재 spring(전자정부프레임웍) + jsp + tiels 환경에서 이 환경에서 고객(공무원) 들의 요청을 수렴해서반영 할 수 있을지 모르겠습니다 AA,TA 적인 기술적인 측면에서스프링의 config 또는 다른설정값 변경, 인터셉터변경, ~Controller~.java 변경~tiles.xml 변경 등을 통해서 가능 할까요?염치 불구하고 저도 이런부분이 궁금하기도 해서 문의 드립니다김동희 드림 

강의 중에 좀 더 정확하게 하기 위해서는 paramDto 등을 따로 만들어야 한다고 하시고, 이전 강의에서는 컨트롤러와 서비스가 분리된다고 하셨는데, 이와 관련해서는 아직까지 강의에서 깊게 설명해주시는 않아서... 혹시 커리큘럼 중에 이 부분을 배우는 부분이 있는 지 궁금합니다!