안녕하세요 선생님,제가 load_boston을 import했을 때, 다음과 같이 오류가 나왔었습니다.ImportError: `load_boston` has been removed from scikit-learn since version 1.2.따라서 scikit-learn을 0.24.2버젼으로 바꿨는데, 여전히 이 오류가 계속 나옵니다.도저히 방법을 모르겠습니다.도와주세요.감사합니다.

view, local, screen 선택하는 부분 표시가 안되고,메쉬 클릭으로 edge나 polygon 선택은 되는데드래그 했을 때는 선택이 안되네요껐다 켜봐도 그대로 입니다 어떻게 해야하나요 ㅠㅠ  

수업자료 한번 다운 받았었는데 컴퓨터 포맷해서 다 날라갔습니다.ㅜㅜ다시 다운 받을 수 없나요??

여러개의 argument resolver 등록 했을때 등록한 여러개의 argument resolver의 supportsParameter은 모두 return true일경우 먼저 등록(add)한 resolver의 resolveArgument부터 차례대로 실행되는건가요??

클린 아키텍처 10장 ISP 원칙 파트를 읽다가 이해가 가지 않는 부분이 생겨 질문드립니다. 정적 언어는 include 선언문 때문에 소스코드 의존성 발생 -> 재배포, 재컴파일 필요동적 언어는 선언문이 없음. 런타임에 추론함. 따라서 소스코드 의존성 없음 -> 재배포, 재컴파일 필요 없음이 부분이 헷갈립니다.  파이썬도 import를 쓰지 않나요? 그건 정적 언어의 include 선언문과 다른 건가요? 동적 언어는 변수 타입 말고도 외부 모듈도 동적으로 불러오나요?

사진첨부 부분에 이미지를 넣었는데 오류가 뜨는데 이유가 뭘까요?

sudo service nginx start 할때 마다 Job for nginx.service failed because the control process exited with error code.See "systemctl status nginx.service" and "journalctl -xeu nginx.service" for details.이에러가 뜹니다https://www.zerocho.com/category/NodeJS/post/5ef450a5701d8a001f84baeb 이블로그 보면서 했습니다 ㅠㅠ

db.pool.query(`CREATE TABLE list ( id INTEGER AUTO_INCREMENT, value TEXT, PRIMARY KEY (id))`, (err, results, fields) => { console.log('err: ', err); console.log('results: ', results); });server.js 의 위 부분 실행시, 아래와 같은 오류가 출력되는데 어떤 부분을 수정해야될까요?참고로 테이블명은 강의와 다르게 list로 했고, err 확인을 위해 console.log('err: ', err); 추가했습니다.

setAuth 메소드 구현 과정(6분 34초) 중 try/catch문에서resetUserInfo 메소드를 호출할 때왜 resetUserInfo()가 아닌 auth.reserUserInfo()인지 궁금합니다.

[40초 - src/stores/index.js]service 폴더에 있는 api.js 파일을 임포트 시키는 것이므로상대주소를 다음과 같이 작성해야 합니다."../service/api.js"

fetchResult() 가 5.0 부터 권장하지 않는다 해서 fetch().size()를 사용한다고 하는데 List<MemberTeamDto> content = queryFactory .select(new QMemberTeamDto( member.id.as("memberId"), member.username, member.age, team.id.as("teamId"), team.name.as("teamName") )) .from(member) .leftJoin(member.team, team) .where( usernameEq(condition.getUsername()), teamNameEq(condition.getTeamName()), ageGoe(condition.getAgeGoe()), ageLoe(condition.getAgeLoe()) ) .offset(pageable.getOffset()) .limit(pageable.getPageSize()) .fetch(); int total = queryFactory .selectFrom(member) .leftJoin(member.team, team) .where( usernameEq(condition.getUsername()), teamNameEq(condition.getTeamName()), ageGoe(condition.getAgeGoe()), ageLoe(condition.getAgeLoe()) ).fetch().size(); int size = content.size(); return new PageImpl<>(content, pageable, total);아래처럼 count 쿼리를 날려서 구한 total 값과위에 content 쿼리문의 size()값이 다르게 나오던데이 size 값은 단지 PageRequet.of로 넣어준 size 값인가요?? 두 방식 중 total로 구하는 방식이 맞는건가요?

int x;x = 123;이 상황에서 &x를 출력하면 16진수로 이루어진 x의 주소를 알 수 있습니다.12:35 부근에서,선생님께서 프로그래머가 123 숫자에 대한 주소를 갖고 오기가 어렵다고 하셨는데,이것에 대한 질문을 해보았더니, 답변해주신 분께서"literal을 할당한 변수의 주소 (&x)는 알아낼 수 있어도literal 123의 주소를 직접적으로 알아낼 수 없습니다."라고 합니다....그런데 literal을 할당한 변수의 주소와 literal 123의 주소의 차이점을 모르겠습니다...ㅠㅠㅠㅠ

안녕하세요 강사님 강의 듣던 도중에 아래와 같은 에러가 발생해서요 서버를 돌렸을때는 에러없이 정상적으로 돌아갑니다. 구글링해서 이것저것 해보았는데 원인을 못찾아서 이렇게 질문 올립니다!

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. 반복문부터 html에 문제가있는지 오류가나오네요org.thymeleaf.exceptions.TemplateProcessingException: Exception evaluating SpringEL expression: "user.username" (template: "basic/condition" - line 17, col 13) at org.thymeleaf.spring5.expression.SPELVariableExpressionEvaluator.evaluate(SPELVariableExpressionEvaluator.java:292) ~[thymeleaf-spring5-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.standard.expression.VariableExpression.executeVariableExpression(VariableExpression.java:166) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.standard.expression.SimpleExpression.executeSimple(SimpleExpression.java:66) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.standard.expression.Expression.execute(Expression.java:109) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.standard.expression.Expression.execute(Expression.java:138) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.standard.processor.AbstractStandardExpressionAttributeTagProcessor.doProcess(AbstractStandardExpressionAttributeTagProcessor.java:144) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.processor.element.AbstractAttributeTagProcessor.doProcess(AbstractAttributeTagProcessor.java:74) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.processor.element.AbstractElementTagProcessor.process(AbstractElementTagProcessor.java:95) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.util.ProcessorConfigurationUtils$ElementTagProcessorWrapper.process(ProcessorConfigurationUtils.java:633) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.engine.ProcessorTemplateHandler.handleOpenElement(ProcessorTemplateHandler.java:1314) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.engine.OpenElementTag.beHandled(OpenElementTag.java:205) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.engine.Model.process(Model.java:282) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.engine.Model.process(Model.java:290) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.engine.IteratedGatheringModelProcessable.processIterationModel(IteratedGatheringModelProcessable.java:367) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.engine.IteratedGatheringModelProcessable.process(IteratedGatheringModelProcessable.java:221) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.engine.ProcessorTemplateHandler.handleCloseElement(ProcessorTemplateHandler.java:1640) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.engine.CloseElementTag.beHandled(CloseElementTag.java:139) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.engine.TemplateModel.process(TemplateModel.java:136) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.engine.TemplateManager.parseAndProcess(TemplateManager.java:592) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1098) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1072) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.spring5.view.ThymeleafView.renderFragment(ThymeleafView.java:366) ~[thymeleaf-spring5-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.spring5.view.ThymeleafView.render(ThymeleafView.java:190) ~[thymeleaf-spring5-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1406) ~[spring-webmvc-5.3.27.jar:5.3.27] at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1150) ~[spring-webmvc-5.3.27.jar:5.3.27] at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1089) ~[spring-webmvc-5.3.27.jar:5.3.27] at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:965) ~[spring-webmvc-5.3.27.jar:5.3.27] at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) ~[spring-webmvc-5.3.27.jar:5.3.27] at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898) ~[spring-webmvc-5.3.27.jar:5.3.27] at javax.servlet.http.HttpServlet.service(HttpServlet.java:529) ~[tomcat-embed-core-9.0.74.jar:4.0.FR] at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) ~[spring-webmvc-5.3.27.jar:5.3.27] at javax.servlet.http.HttpServlet.service(HttpServlet.java:623) ~[tomcat-embed-core-9.0.74.jar:4.0.FR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:209) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) ~[tomcat-embed-websocket-9.0.74.jar:9.0.74] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-5.3.27.jar:5.3.27] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.27.jar:5.3.27] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-5.3.27.jar:5.3.27] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.27.jar:5.3.27] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-5.3.27.jar:5.3.27] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.27.jar:5.3.27] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:167) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:481) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:389) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:926) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1791) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at java.base/java.lang.Thread.run(Thread.java:834) ~[na:na]Caused by: org.springframework.expression.spel.SpelEvaluationException: EL1008E: Property or field 'username' cannot be found on object of type 'hello.thymeleaf.basic.BasicController$User' - maybe not public or not valid? at org.springframework.expression.spel.ast.PropertyOrFieldReference.readProperty(PropertyOrFieldReference.java:223) ~[spring-expression-5.3.27.jar:5.3.27] at org.springframework.expression.spel.ast.PropertyOrFieldReference.getValueInternal(PropertyOrFieldReference.java:106) ~[spring-expression-5.3.27.jar:5.3.27] at org.springframework.expression.spel.ast.PropertyOrFieldReference.access$000(PropertyOrFieldReference.java:53) ~[spring-expression-5.3.27.jar:5.3.27] at org.springframework.expression.spel.ast.PropertyOrFieldReference$AccessorLValue.getValue(PropertyOrFieldReference.java:412) ~[spring-expression-5.3.27.jar:5.3.27] at org.springframework.expression.spel.ast.CompoundExpression.getValueInternal(CompoundExpression.java:93) ~[spring-expression-5.3.27.jar:5.3.27] at org.springframework.expression.spel.ast.SpelNodeImpl.getValue(SpelNodeImpl.java:114) ~[spring-expression-5.3.27.jar:5.3.27] at org.springframework.expression.spel.standard.SpelExpression.getValue(SpelExpression.java:338) ~[spring-expression-5.3.27.jar:5.3.27] at org.thymeleaf.spring5.expression.SPELVariableExpressionEvaluator.evaluate(SPELVariableExpressionEvaluator.java:265) ~[thymeleaf-spring5-3.0.15.RELEASE.jar:3.0.15.RELEASE] ... 64 common frames omitted2023-05-02 23:47:29.787 ERROR 13660 --- [nio-8080-exec-2] o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.thymeleaf.exceptions.TemplateProcessingException: Exception evaluating SpringEL expression: "user.username" (template: "basic/condition" - line 17, col 13)] with root causeorg.springframework.expression.spel.SpelEvaluationException: EL1008E: Property or field 'username' cannot be found on object of type 'hello.thymeleaf.basic.BasicController$User' - maybe not public or not valid? at org.springframework.expression.spel.ast.PropertyOrFieldReference.readProperty(PropertyOrFieldReference.java:223) ~[spring-expression-5.3.27.jar:5.3.27] at org.springframework.expression.spel.ast.PropertyOrFieldReference.getValueInternal(PropertyOrFieldReference.java:106) ~[spring-expression-5.3.27.jar:5.3.27] at org.springframework.expression.spel.ast.PropertyOrFieldReference.access$000(PropertyOrFieldReference.java:53) ~[spring-expression-5.3.27.jar:5.3.27] at org.springframework.expression.spel.ast.PropertyOrFieldReference$AccessorLValue.getValue(PropertyOrFieldReference.java:412) ~[spring-expression-5.3.27.jar:5.3.27] at org.springframework.expression.spel.ast.CompoundExpression.getValueInternal(CompoundExpression.java:93) ~[spring-expression-5.3.27.jar:5.3.27] at org.springframework.expression.spel.ast.SpelNodeImpl.getValue(SpelNodeImpl.java:114) ~[spring-expression-5.3.27.jar:5.3.27] at org.springframework.expression.spel.standard.SpelExpression.getValue(SpelExpression.java:338) ~[spring-expression-5.3.27.jar:5.3.27] at org.thymeleaf.spring5.expression.SPELVariableExpressionEvaluator.evaluate(SPELVariableExpressionEvaluator.java:265) ~[thymeleaf-spring5-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.standard.expression.VariableExpression.executeVariableExpression(VariableExpression.java:166) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.standard.expression.SimpleExpression.executeSimple(SimpleExpression.java:66) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.standard.expression.Expression.execute(Expression.java:109) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.standard.expression.Expression.execute(Expression.java:138) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.standard.processor.AbstractStandardExpressionAttributeTagProcessor.doProcess(AbstractStandardExpressionAttributeTagProcessor.java:144) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.processor.element.AbstractAttributeTagProcessor.doProcess(AbstractAttributeTagProcessor.java:74) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.processor.element.AbstractElementTagProcessor.process(AbstractElementTagProcessor.java:95) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.util.ProcessorConfigurationUtils$ElementTagProcessorWrapper.process(ProcessorConfigurationUtils.java:633) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.engine.ProcessorTemplateHandler.handleOpenElement(ProcessorTemplateHandler.java:1314) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.engine.OpenElementTag.beHandled(OpenElementTag.java:205) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.engine.Model.process(Model.java:282) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.engine.Model.process(Model.java:290) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.engine.IteratedGatheringModelProcessable.processIterationModel(IteratedGatheringModelProcessable.java:367) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.engine.IteratedGatheringModelProcessable.process(IteratedGatheringModelProcessable.java:221) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.engine.ProcessorTemplateHandler.handleCloseElement(ProcessorTemplateHandler.java:1640) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.engine.CloseElementTag.beHandled(CloseElementTag.java:139) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.engine.TemplateModel.process(TemplateModel.java:136) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.engine.TemplateManager.parseAndProcess(TemplateManager.java:592) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1098) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1072) ~[thymeleaf-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.spring5.view.ThymeleafView.renderFragment(ThymeleafView.java:366) ~[thymeleaf-spring5-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.thymeleaf.spring5.view.ThymeleafView.render(ThymeleafView.java:190) ~[thymeleaf-spring5-3.0.15.RELEASE.jar:3.0.15.RELEASE] at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1406) ~[spring-webmvc-5.3.27.jar:5.3.27] at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1150) ~[spring-webmvc-5.3.27.jar:5.3.27] at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1089) ~[spring-webmvc-5.3.27.jar:5.3.27] at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:965) ~[spring-webmvc-5.3.27.jar:5.3.27] at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) ~[spring-webmvc-5.3.27.jar:5.3.27] at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898) ~[spring-webmvc-5.3.27.jar:5.3.27] at javax.servlet.http.HttpServlet.service(HttpServlet.java:529) ~[tomcat-embed-core-9.0.74.jar:4.0.FR] at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) ~[spring-webmvc-5.3.27.jar:5.3.27] at javax.servlet.http.HttpServlet.service(HttpServlet.java:623) ~[tomcat-embed-core-9.0.74.jar:4.0.FR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:209) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) ~[tomcat-embed-websocket-9.0.74.jar:9.0.74] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-5.3.27.jar:5.3.27] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.27.jar:5.3.27] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-5.3.27.jar:5.3.27] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.27.jar:5.3.27] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-5.3.27.jar:5.3.27] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.27.jar:5.3.27] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:167) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:481) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:389) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:926) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1791) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at java.base/java.lang.Thread.run(Thread.java:834) ~[na:na] users 에 문제가있는거같은데 아무리봐도 뭐가 문제인지 모르겠어요 똑같이 복붙해도 그대로이고

현재 예제로 구성된 방식은 MSA방식이라고 생각해도 될까요? 자원서버 ( 앨범 , 친구 ) , 클라이언트서버 , 인가서버 형식으로 각각 서버를 나누어서 역할이 구분되어 있는방식이라 제가 이해한것이 맞는지 궁금합니다. 항상 좋은강의 해주셔서 감사합니다

안녕하세요! 테스트 강의가 드문데 정말 친절하게 잘 알려주셔서 감사하게 듣고 있습니다 :)아직 강의를 다 들은 것은 아니지만 강의 내용 중 궁금한 것이 있어 질문 드립니다.제가 테스트를 제대로 공부해본 적이 없어 혼자서 독학을 하며 공부했던 단위테스트는 주로 Mock과 항상 연관지어 설명이 되어 있었습니다. 통합테스트(@SpringBootTest)는 스프링 컨테이너를 띄우고 bean으로 등록된 모든 빈을 가지고 테스트를 하는 것인데 반해, 단위테스트는 해당 계층(Layer)을 테스트할 때 꼭 필요한 bean만 가지고 와서 최소 단위(메서드나 클래스)로 테스트를 진행한다고 저는 알고 있었습니다.그래서 예를 들어 Service 계층 테스트를 진행할 때면 Repository에 관련된 bean들은 Mockito 등을 사용해서 Mock을 만들고 InjectMocks를 해준다는 식으로 저는 공부를 하고 테스트 코드를 작성한 경험이 있습니다.그런데 오늘 강의에서 강사님이 설명해주시는 내용을 듣다보니 @SpringBootTest 와 같은 어노테이션과 상관없이 단위테스트를 진행하시는 것 같다는 인상을 받았습니다. Order에 대한 테스트를 진행하실 때도 단위테스트라는 언급을 하셨고, OrderSerivice에 대한 테스트를 진행하실 때도 @SpringBootTest를 사용하고 있지만 단위테스트를 하신다고 표현을 하시더라구요.혹시 통합테스트와 단위테스트를 구분하는 강사님만의 방법이 있는 것인지 궁금합니다! 장문 글 읽어주셔서 감사합니다!

코루틴을 사용하는 이유가 뭔가요?시간이 지난 뒤에 함수를 실행하기 위해서는 Invoke를 사용하고반복을 위해서는 While을 사용하면 되지않나요? 너무 햇갈려요..

위와 같이 활성 상태가 아니라고만 뜹니다. http://bitly.ws/yCFL이 링크를 통해 들어가려고 시도했습니다.2번째 동영상 강의교안, 깃헙 등 링크모음 강의에 있는 링크 입니다.

배포까지 다 진행을 했는데aws비용이 청구가 되가지구요,제가 설정을 잘못한걸까요??

안녕하세요 혹시 제가 언리얼 parr1, part2 수강 예정인데혹시 이득우의 언리얼 책 은 따로 구매하지않아도괜찮을까요?