172만명의 커뮤니티!! 함께 토론해봐요.
미해결
자바 ORM 표준 JPA 프로그래밍 - 기본편
1차캐시관련 질문이 생깁니다. 서버 A와 B가 있습니다. 1. A가 C테이블에 123을 추가합니다. 2. B가 C테이블에 123을 수정합니다. 3. A가 C테이블에 123을 조회합니다, 이런경우 1차캐시로 인하여 수정되기 전 데이터가 조회되는것인가요?
미해결
[리뉴얼] React로 NodeBird SNS 만들기
npm run build하면 이런 에러가뜨는데 도통ㅇ 머가문젠지 모르겠습니다..ㅠㅠ stringify 를 쓰면 나는 에러같은데 저는 안쓰고있는데 이러네요..
미해결
그림으로 배우는 자바, 파트1: 입문!
메소드 내부에서 조건문을 작성할 때 변수를 초기화하지 않아도 되는 변수가 있고 해당 문제의 boolean 처럼 임의 값을 대입해서 초기화를 시켜주어야 하는 변수가 있는데 왜 초기화를 안해주면 오류가 발생하는 건가요?
해결됨
풀스택 리액트 토이프로젝트 - REST, GraphQL (for FE개발자)
onupdate 함수의 매개변수를 (id, text) 로 넣어주었더니! 수정 버튼을 클릭 했을 때 내용이 바뀌지 않더라구요 그래서 혹시나해서 매개변수를 (text, id) 로 변경했더니 수정 기능이 제대로 작동 했습니다. 매개변수 순서가 바뀌면 문제가 있는걸까요??
해결됨
스프링 입문 - 코드로 배우는 스프링 부트, 웹 MVC, DB 접근 기술
안녕하세요,, bin 에서 h2.bat를 실행하거나 cmd에서 h2.bat 후 엔터를 해도 서버모드로 접속이 안됩니다,, 어떻게 해야 할까요..?
미해결
실전! 스프링 부트와 JPA 활용1 - 웹 애플리케이션 개발
[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] memberController 부분은 @NotEmpty가 잘 동작 하였고 itemController 에서 item을 생성할 때에도 member와 동일하게 @Valid 체크를 해주려고 했습니다. 그런데 오류가 발생하는데 어느부분에서 문제인지 잘 모르겠습니다 ㅠ Field error in object 'bookForm' on field 'name': rejected value []; codes [NotBlank.bookForm.name,NotBlank.name,NotBlank.java.lang.String,NotBlank]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [bookForm.name,name]; arguments []; default message [name]]; default message [공백이면 안됩니다.] 2021-08-24 16:08:30.870 ERROR 5072 --- [nio-8080-exec-9] org.thymeleaf.TemplateEngine : [THYMELEAF][http-nio-8080-exec-9] Exception processing template "items/createItemForm": An error happened during template parsing (template: "class path resource [templates/items/createItemForm.html]") org.thymeleaf.exceptions.TemplateInputException: An error happened during template parsing (template: "class path resource [templates/items/createItemForm.html]") at org.thymeleaf.templateparser.markup.AbstractMarkupTemplateParser.parse(AbstractMarkupTemplateParser.java:241) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.templateparser.markup.AbstractMarkupTemplateParser.parseStandalone(AbstractMarkupTemplateParser.java:100) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.engine.TemplateManager.parseAndProcess(TemplateManager.java:666) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1098) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1072) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.spring5.view.ThymeleafView.renderFragment(ThymeleafView.java:366) ~[thymeleaf-spring5-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.spring5.view.ThymeleafView.render(ThymeleafView.java:190) ~[thymeleaf-spring5-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1393) ~[spring-webmvc-5.3.4.jar:5.3.4] at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1138) ~[spring-webmvc-5.3.4.jar:5.3.4] at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1077) ~[spring-webmvc-5.3.4.jar:5.3.4] at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:962) ~[spring-webmvc-5.3.4.jar:5.3.4] at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) ~[spring-webmvc-5.3.4.jar:5.3.4] at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909) ~[spring-webmvc-5.3.4.jar:5.3.4] at javax.servlet.http.HttpServlet.service(HttpServlet.java:652) ~[tomcat-embed-core-9.0.43.jar:4.0.FR] at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) ~[spring-webmvc-5.3.4.jar:5.3.4] at javax.servlet.http.HttpServlet.service(HttpServlet.java:733) ~[tomcat-embed-core-9.0.43.jar:4.0.FR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-9.0.43.jar:9.0.43] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-5.3.4.jar:5.3.4] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.3.4.jar:5.3.4] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-5.3.4.jar:5.3.4] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.3.4.jar:5.3.4] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-5.3.4.jar:5.3.4] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.3.4.jar:5.3.4] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:346) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:374) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:887) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1684) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ~[na:na] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at java.base/java.lang.Thread.run(Thread.java:834) ~[na:na] Caused by: org.attoparser.ParseException: Exception evaluating SpringEL expression: "#fields.hasErrors('name')" (template: "items/createItemForm" - line 17, col 20) at org.attoparser.MarkupParser.parseDocument(MarkupParser.java:393) ~[attoparser-2.0.5.RELEASE.jar:2.0.5.RELEASE] at org.attoparser.MarkupParser.parse(MarkupParser.java:257) ~[attoparser-2.0.5.RELEASE.jar:2.0.5.RELEASE] at org.thymeleaf.templateparser.markup.AbstractMarkupTemplateParser.parse(AbstractMarkupTemplateParser.java:230) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] ... 48 common frames omitted Caused by: org.thymeleaf.exceptions.TemplateProcessingException: Exception evaluating SpringEL expression: "#fields.hasErrors('name')" (template: "items/createItemForm" - line 17, col 20) at org.thymeleaf.spring5.expression.SPELVariableExpressionEvaluator.evaluate(SPELVariableExpressionEvaluator.java:292) ~[thymeleaf-spring5-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.standard.expression.VariableExpression.executeVariableExpression(VariableExpression.java:166) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.standard.expression.SimpleExpression.executeSimple(SimpleExpression.java:66) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.standard.expression.Expression.execute(Expression.java:109) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.standard.expression.Expression.execute(Expression.java:138) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.standard.expression.ConditionalExpression.executeConditional(ConditionalExpression.java:209) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.standard.expression.ComplexExpression.executeComplex(ComplexExpression.java:77) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.standard.expression.Expression.execute(Expression.java:112) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.standard.expression.Expression.execute(Expression.java:138) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.standard.processor.AbstractStandardExpressionAttributeTagProcessor.doProcess(AbstractStandardExpressionAttributeTagProcessor.java:144) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.processor.element.AbstractAttributeTagProcessor.doProcess(AbstractAttributeTagProcessor.java:74) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.processor.element.AbstractElementTagProcessor.process(AbstractElementTagProcessor.java:95) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.util.ProcessorConfigurationUtils$ElementTagProcessorWrapper.process(ProcessorConfigurationUtils.java:633) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.engine.ProcessorTemplateHandler.handleStandaloneElement(ProcessorTemplateHandler.java:918) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.engine.TemplateHandlerAdapterMarkupHandler.handleStandaloneElementEnd(TemplateHandlerAdapterMarkupHandler.java:260) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.templateparser.markup.InlinedOutputExpressionMarkupHandler$InlineMarkupAdapterPreProcessorHandler.handleStandaloneElementEnd(InlinedOutputExpressionMarkupHandler.java:256) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.standard.inline.OutputExpressionInlinePreProcessorHandler.handleStandaloneElementEnd(OutputExpressionInlinePreProcessorHandler.java:169) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.templateparser.markup.InlinedOutputExpressionMarkupHandler.handleStandaloneElementEnd(InlinedOutputExpressionMarkupHandler.java:104) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.attoparser.HtmlVoidElement.handleOpenElementEnd(HtmlVoidElement.java:92) ~[attoparser-2.0.5.RELEASE.jar:2.0.5.RELEASE] at org.attoparser.HtmlMarkupHandler.handleOpenElementEnd(HtmlMarkupHandler.java:297) ~[attoparser-2.0.5.RELEASE.jar:2.0.5.RELEASE] at org.attoparser.MarkupEventProcessorHandler.handleOpenElementEnd(MarkupEventProcessorHandler.java:402) ~[attoparser-2.0.5.RELEASE.jar:2.0.5.RELEASE] at org.attoparser.ParsingElementMarkupUtil.parseOpenElement(ParsingElementMarkupUtil.java:159) ~[attoparser-2.0.5.RELEASE.jar:2.0.5.RELEASE] at org.attoparser.MarkupParser.parseBuffer(MarkupParser.java:710) ~[attoparser-2.0.5.RELEASE.jar:2.0.5.RELEASE] at org.attoparser.MarkupParser.parseDocument(MarkupParser.java:301) ~[attoparser-2.0.5.RELEASE.jar:2.0.5.RELEASE] ... 50 common frames omitted Caused by: java.lang.IllegalStateException: Neither BindingResult nor plain target object for bean name 'form' available as request attribute at org.springframework.web.servlet.support.BindStatus.<init>(BindStatus.java:153) ~[spring-webmvc-5.3.4.jar:5.3.4] at org.springframework.web.servlet.support.RequestContext.getBindStatus(RequestContext.java:903) ~[spring-webmvc-5.3.4.jar:5.3.4] at org.thymeleaf.spring5.context.webmvc.SpringWebMvcThymeleafRequestContext.getBindStatus(SpringWebMvcThymeleafRequestContext.java:227) ~[thymeleaf-spring5-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.spring5.util.FieldUtils.getBindStatusFromParsedExpression(FieldUtils.java:306) ~[thymeleaf-spring5-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.spring5.util.FieldUtils.getBindStatus(FieldUtils.java:253) ~[thymeleaf-spring5-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.spring5.util.FieldUtils.getBindStatus(FieldUtils.java:227) ~[thymeleaf-spring5-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.spring5.util.FieldUtils.checkErrors(FieldUtils.java:212) ~[thymeleaf-spring5-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.spring5.util.FieldUtils.hasErrors(FieldUtils.java:71) ~[thymeleaf-spring5-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.spring5.expression.Fields.hasErrors(Fields.java:58) ~[thymeleaf-spring5-3.0.12.RELEASE.jar:3.0.12.RELEASE] at jdk.internal.reflect.GeneratedMethodAccessor58.invoke(Unknown Source) ~[na:na] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na] at org.springframework.expression.spel.support.ReflectiveMethodExecutor.execute(ReflectiveMethodExecutor.java:129) ~[spring-expression-5.3.4.jar:5.3.4] at org.springframework.expression.spel.ast.MethodReference.getValueInternal(MethodReference.java:112) ~[spring-expression-5.3.4.jar:5.3.4] at org.springframework.expression.spel.ast.MethodReference.access$000(MethodReference.java:55) ~[spring-expression-5.3.4.jar:5.3.4] at org.springframework.expression.spel.ast.MethodReference$MethodValueRef.getValue(MethodReference.java:387) ~[spring-expression-5.3.4.jar:5.3.4] at org.springframework.expression.spel.ast.CompoundExpression.getValueInternal(CompoundExpression.java:92) ~[spring-expression-5.3.4.jar:5.3.4] at org.springframework.expression.spel.ast.SpelNodeImpl.getValue(SpelNodeImpl.java:112) ~[spring-expression-5.3.4.jar:5.3.4] at org.springframework.expression.spel.standard.SpelExpression.getValue(SpelExpression.java:337) ~[spring-expression-5.3.4.jar:5.3.4] at org.thymeleaf.spring5.expression.SPELVariableExpressionEvaluator.evaluate(SPELVariableExpressionEvaluator.java:265) ~[thymeleaf-spring5-3.0.12.RELEASE.jar:3.0.12.RELEASE] ... 73 common frames omitted 2021-08-24 16:08:30.871 ERROR 5072 --- [nio-8080-exec-9] 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.TemplateInputException: An error happened during template parsing (template: "class path resource [templates/items/createItemForm.html]")] with root cause java.lang.IllegalStateException: Neither BindingResult nor plain target object for bean name 'form' available as request attribute at org.springframework.web.servlet.support.BindStatus.<init>(BindStatus.java:153) ~[spring-webmvc-5.3.4.jar:5.3.4] at org.springframework.web.servlet.support.RequestContext.getBindStatus(RequestContext.java:903) ~[spring-webmvc-5.3.4.jar:5.3.4] at org.thymeleaf.spring5.context.webmvc.SpringWebMvcThymeleafRequestContext.getBindStatus(SpringWebMvcThymeleafRequestContext.java:227) ~[thymeleaf-spring5-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.spring5.util.FieldUtils.getBindStatusFromParsedExpression(FieldUtils.java:306) ~[thymeleaf-spring5-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.spring5.util.FieldUtils.getBindStatus(FieldUtils.java:253) ~[thymeleaf-spring5-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.spring5.util.FieldUtils.getBindStatus(FieldUtils.java:227) ~[thymeleaf-spring5-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.spring5.util.FieldUtils.checkErrors(FieldUtils.java:212) ~[thymeleaf-spring5-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.spring5.util.FieldUtils.hasErrors(FieldUtils.java:71) ~[thymeleaf-spring5-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.spring5.expression.Fields.hasErrors(Fields.java:58) ~[thymeleaf-spring5-3.0.12.RELEASE.jar:3.0.12.RELEASE] at jdk.internal.reflect.GeneratedMethodAccessor58.invoke(Unknown Source) ~[na:na] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na] at org.springframework.expression.spel.support.ReflectiveMethodExecutor.execute(ReflectiveMethodExecutor.java:129) ~[spring-expression-5.3.4.jar:5.3.4] at org.springframework.expression.spel.ast.MethodReference.getValueInternal(MethodReference.java:112) ~[spring-expression-5.3.4.jar:5.3.4] at org.springframework.expression.spel.ast.MethodReference.access$000(MethodReference.java:55) ~[spring-expression-5.3.4.jar:5.3.4] at org.springframework.expression.spel.ast.MethodReference$MethodValueRef.getValue(MethodReference.java:387) ~[spring-expression-5.3.4.jar:5.3.4] at org.springframework.expression.spel.ast.CompoundExpression.getValueInternal(CompoundExpression.java:92) ~[spring-expression-5.3.4.jar:5.3.4] at org.springframework.expression.spel.ast.SpelNodeImpl.getValue(SpelNodeImpl.java:112) ~[spring-expression-5.3.4.jar:5.3.4] at org.springframework.expression.spel.standard.SpelExpression.getValue(SpelExpression.java:337) ~[spring-expression-5.3.4.jar:5.3.4] at org.thymeleaf.spring5.expression.SPELVariableExpressionEvaluator.evaluate(SPELVariableExpressionEvaluator.java:265) ~[thymeleaf-spring5-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.standard.expression.VariableExpression.executeVariableExpression(VariableExpression.java:166) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.standard.expression.SimpleExpression.executeSimple(SimpleExpression.java:66) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.standard.expression.Expression.execute(Expression.java:109) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.standard.expression.Expression.execute(Expression.java:138) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.standard.expression.ConditionalExpression.executeConditional(ConditionalExpression.java:209) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.standard.expression.ComplexExpression.executeComplex(ComplexExpression.java:77) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.standard.expression.Expression.execute(Expression.java:112) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.standard.expression.Expression.execute(Expression.java:138) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.standard.processor.AbstractStandardExpressionAttributeTagProcessor.doProcess(AbstractStandardExpressionAttributeTagProcessor.java:144) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.processor.element.AbstractAttributeTagProcessor.doProcess(AbstractAttributeTagProcessor.java:74) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.processor.element.AbstractElementTagProcessor.process(AbstractElementTagProcessor.java:95) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.util.ProcessorConfigurationUtils$ElementTagProcessorWrapper.process(ProcessorConfigurationUtils.java:633) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.engine.ProcessorTemplateHandler.handleStandaloneElement(ProcessorTemplateHandler.java:918) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.engine.TemplateHandlerAdapterMarkupHandler.handleStandaloneElementEnd(TemplateHandlerAdapterMarkupHandler.java:260) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.templateparser.markup.InlinedOutputExpressionMarkupHandler$InlineMarkupAdapterPreProcessorHandler.handleStandaloneElementEnd(InlinedOutputExpressionMarkupHandler.java:256) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.standard.inline.OutputExpressionInlinePreProcessorHandler.handleStandaloneElementEnd(OutputExpressionInlinePreProcessorHandler.java:169) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.templateparser.markup.InlinedOutputExpressionMarkupHandler.handleStandaloneElementEnd(InlinedOutputExpressionMarkupHandler.java:104) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.attoparser.HtmlVoidElement.handleOpenElementEnd(HtmlVoidElement.java:92) ~[attoparser-2.0.5.RELEASE.jar:2.0.5.RELEASE] at org.attoparser.HtmlMarkupHandler.handleOpenElementEnd(HtmlMarkupHandler.java:297) ~[attoparser-2.0.5.RELEASE.jar:2.0.5.RELEASE] at org.attoparser.MarkupEventProcessorHandler.handleOpenElementEnd(MarkupEventProcessorHandler.java:402) ~[attoparser-2.0.5.RELEASE.jar:2.0.5.RELEASE] at org.attoparser.ParsingElementMarkupUtil.parseOpenElement(ParsingElementMarkupUtil.java:159) ~[attoparser-2.0.5.RELEASE.jar:2.0.5.RELEASE] at org.attoparser.MarkupParser.parseBuffer(MarkupParser.java:710) ~[attoparser-2.0.5.RELEASE.jar:2.0.5.RELEASE] at org.attoparser.MarkupParser.parseDocument(MarkupParser.java:301) ~[attoparser-2.0.5.RELEASE.jar:2.0.5.RELEASE] at org.attoparser.MarkupParser.parse(MarkupParser.java:257) ~[attoparser-2.0.5.RELEASE.jar:2.0.5.RELEASE] at org.thymeleaf.templateparser.markup.AbstractMarkupTemplateParser.parse(AbstractMarkupTemplateParser.java:230) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.templateparser.markup.AbstractMarkupTemplateParser.parseStandalone(AbstractMarkupTemplateParser.java:100) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.engine.TemplateManager.parseAndProcess(TemplateManager.java:666) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1098) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1072) ~[thymeleaf-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.spring5.view.ThymeleafView.renderFragment(ThymeleafView.java:366) ~[thymeleaf-spring5-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.thymeleaf.spring5.view.ThymeleafView.render(ThymeleafView.java:190) ~[thymeleaf-spring5-3.0.12.RELEASE.jar:3.0.12.RELEASE] at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1393) ~[spring-webmvc-5.3.4.jar:5.3.4] at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1138) ~[spring-webmvc-5.3.4.jar:5.3.4] at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1077) ~[spring-webmvc-5.3.4.jar:5.3.4] at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:962) ~[spring-webmvc-5.3.4.jar:5.3.4] at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) ~[spring-webmvc-5.3.4.jar:5.3.4] at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909) ~[spring-webmvc-5.3.4.jar:5.3.4] at javax.servlet.http.HttpServlet.service(HttpServlet.java:652) ~[tomcat-embed-core-9.0.43.jar:4.0.FR] at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) ~[spring-webmvc-5.3.4.jar:5.3.4] at javax.servlet.http.HttpServlet.service(HttpServlet.java:733) ~[tomcat-embed-core-9.0.43.jar:4.0.FR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-9.0.43.jar:9.0.43] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-5.3.4.jar:5.3.4] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.3.4.jar:5.3.4] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-5.3.4.jar:5.3.4] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.3.4.jar:5.3.4] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-5.3.4.jar:5.3.4] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.3.4.jar:5.3.4] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:346) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:374) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:887) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1684) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ~[na:na] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-9.0.43.jar:9.0.43] at java.base/java.lang.Thread.run(Thread.java:834) ~[na:na]
미해결
20번 넘게 면접 본 네카라쿠배 개발자의 이직 기술면접 기출 강의
Java 직군 관련 질문에 대한 영상을 보고 싶습니다.
미해결
따라하며 배우는 리액트, 파이어베이스 - 채팅 어플리케이션 만들기[2023.12 리뉴얼]
안녕하세요. 우선 강의 너무 잘 듣고 있습니다. password . current = watch ( " Password " ) ; 강의를 통해 위 방법을 익히기 전엔 혼자서 onChange를 통해 ref.current값을 바꾸려고 시도하였는데요 input에 onChange를 걸어줘도 Change이벤트가 작동을 안하더라구요.. react hook form 공식 문서를 뒤져봐도 위 방법으로만 사용하라는 말은 따로 없고 태그에 onChange이벤트를 사용하는 예제도 있는데 왜 이러는걸까요?? 단순히 버그인지 뭐가 잘못된건지 모르겠습니다 ㅜㅜ
해결됨
스프링 입문 - 코드로 배우는 스프링 부트, 웹 MVC, DB 접근 기술
안녕하세요 ! 4:07 쯤에 선생님은 오류나시는데 저는 오류가 안 나서 어디가 문제인지 잘 모르겠어서 질문드립니다 ㅜㅜ 죄송하지만 하나 더 여쭤볼게 있습니다! ctrl + shift + enter 이 코드 자동완성(; 붙이기)인 것으로 알고 있는데 어느 순간 단축키가 안 먹힙니다ㅜ 다른 단축키는 잘 되는데 제가 뭘 잘못 만진건가요?
해결됨
Slack 클론 코딩[실시간 채팅 with React]
안녕하세요 저는 웹팩 소스는 복붙하고 패키지를 직접 하나씩 설치해보았는데 빌드나 실행시 에러가 나서 webpack-dev-server 가 4.0.0 인걸 지우고 @ 3.11.2로 다시설치하니까 되더라고요. 원래 이렇게 버전하나때문에 에러가 잘 발생하나요? 그리고 setting/ts 그대로 빌드해보면 저는 이건 에러는 아니고 경고지만 이런 세가지 경고 들이 뜨는데 원래 이런건가요?? 상관없는건가요?
미해결
스프링 입문 - 코드로 배우는 스프링 부트, 웹 MVC, DB 접근 기술
DB는 Mysql로 사용하고있습니다. SpringConfig에서 JdbcTemplateRepository를 연결하고 테스트를하면 오류가 납니다. org.springframework.jdbc.BadSqlGrammarException: PreparedStatementCallback; bad SQL grammar []; nested exception is java.sql.SQLSyntaxErrorException: Unknown column 'encrypted_password' in 'field list' 오류 나는 지점을 확인해보면 JdbcTemplateRepository의 Number key = jdbcInsert.executeAndReturnKey(new MapSqlParameterSource(parameters)); 이 행을 가르킵니다.
미해결
윤재성의 스프링 프레임워크 개발자를 위한 실습을 통한 입문 과정
<!-- oracle jdbc --> <dependency> <groupId>oracle</groupId> <artifactId>ojdbc6</artifactId> <version>11.2.0.3</version> </dependency> <!-- Repository 정보 --> <repositories> <repository> <id>OJDBC6 Repository</id> <url>http://www.datanucleus.org/downloads/maven2/</url> </repository> </repositories>
해결됨
스프링 입문 - 코드로 배우는 스프링 부트, 웹 MVC, DB 접근 기술
안녕하세요 alt + insert 후 getter 검색하면 getter and setter 이 나오지 않습니다,,,
미해결
자바 ORM 표준 JPA 프로그래밍 - 기본편
안녕하세요 영한님! 강의가 참 유익합니다 감사합니다. 강의를 다 마치고 개인 프로젝트를 만들어 보고 있는데, 궁금한 것이 생겨서 질문 올립니다. Album이라는 도메인이 여러개의 Theme를 가질 수 있습니다. 이 Theme는 enum으로 {sad, happy, interresting..} 이런 식으로 미리 정해두고, 사용자는 자신의 Album에 맞는 Theme를 최대 5개를 선택하여 저장할 수 있습니다. 생각나는 방법은 다음의 2가지입니다. Album에 String필드로 구분자를 이용해 저장하는 방법. ex) sad%happy%interresting Album에 값타입 컬렉션으로 Set<Theme>을 넣는 방법. Theme는 enum. 저는 테마로 검색도 가능하도록 하고싶습니다. 검색 조건에 여러 Theme를 지정하여 해당 Theme를 모두 가진 Album만 조회하고 싶습니다. 두 방법 모두 제 생각엔 가능할 것으로 보이는데, 제가 궁금한 것은 무엇이 합리적인방법인지, 만약 흑백으로 가려지지 않는다면 장단점이 무엇인지 알 고 싶습니다.
미해결
[리뉴얼] React로 NodeBird SNS 만들기
export const getServerSideProps = wrapper . getServerSideProps ( async ( context ) => { context . store . dispatch ({ type : LOAD_USER_REQUEST , }) context . sotre . dispatch ({ type : LOAD_POSTS_REQUEST , }) context . store . dispatch ( END ) await context . sotre . sagaTask . toPromise () }) 위 코드를 실행했을 때 dispatch of undefined라는 오류가 뜹니다. configureStore.js 에서 store와 dispatch의 log를 찍어보면 잘 나오는데 왜 저런 오류가 뜨는걸까요? redux의 전은 6이에요.
미해결
[리뉴얼] React로 NodeBird SNS 만들기
이번 강의에 해쉬 태그 등록을 위한 코드들 const hashtags = ~~~ 부분과 if(hashtags) { } 요거를 추가하면은 500에러가 떠요. 왜 이럴까요? const express = require ( 'express' ) const multer = require ( 'multer' ) const path = require ( 'path' ) const fs = require ( 'fs' ) const { Post , Image , Comment , User , Hashtag } = require ( '../models' ) const { isLoggedIn } = require ( './middlewares' ) const router = express . Router () try { fs . accessSync ( 'uploads' ) } catch ( error ) { console . log ( 'uploads 폴더가 없으므로 생성합니다.' ) fs . mkdirSync ( 'uploads' ) } // multer 셋팅 const upload = multer ({ storage : multer . diskStorage ({ destination ( req , file , done ) { done ( null , 'uploads' ) }, filename ( req , file , done ) { const ext = path . extname ( file . originalname ) // 확장자 추출(.png) const basename = path . basename ( file . originalname , ext ) // 이름 추출(제로초) done ( null , basename + '_' + new Date (). getTime () + ext ) // 이름_1518123131.png }, }), limits : { fileSize : 20 * 1024 * 1024 }, // 20MB }) // 게시글 작성 router . post ( '/' , isLoggedIn , upload . none (), async ( req , res , next ) => { try { // const hashtags = req.body.content.math(/#[^\s#]+/g) const post = await Post . create ({ content : req . body . content , UserId : req . user . id , }) // if(hashtags) { // const result = await Promise.all(hashtags.map((tag) => Hashtag.findOrCreate({ // where: { name: tag.slice(1).toLowerCase() }, // }))); // 결과 [[노드, true], [리액트, true]] // await post.addHashtags(result.map((v) => v[0])); // } if ( req . body . image ) { if ( Array . isArray ( req . body . image )) { // 이미지 여러개면 image: [경로.png, 경로.png] const images = await Promise . all ( req . body . image . map (( image ) => Image . create ({ src : image }))) await post . addImages ( images ) } else { // 이미지 하나만 올리면 image: 경로.png const image = await Image . create ({ src : req . body . image }) await post . addImages ( image ) } } const fullPost = await Post . findOne ({ where : { id : post . id }, include : [{ model : Image , }, { model : Comment , include : [{ model : User , // 댓글 작성자 attributes : [ 'id' , 'nickname' ], }] }, { model : User , // 게시글 작성자 attributes : [ 'id' , 'nickname' ], }, { model : User , // 좋아요 누른 사람 as : 'Likers' , attributes : [ 'id' ], }] }) res . status ( 201 ). json ( fullPost ) } catch ( error ) { console . error ( error ) next ( error ) } }) router . post ( '/:postId/comment' , isLoggedIn , async ( req , res , next ) => { try { const post = await Post . findOne ({ where : { id : req . params . postId } }) if ( ! post ) { // 게시글 존재하는지 확인 return res . status ( 403 ). send ( '존재하지 않는 게시글입니다.' ) } const comment = await Comment . create ({ content : req . body . content , PostId : parseInt ( req . params . postId ), UserId : req . user . id , }) const fullComment = await Comment . findOne ({ where : { id : comment . id }, include : [{ model : User , attributes : [ 'id' , 'nickname' ] }] }) res . status ( 201 ). json ( fullComment ) } catch ( error ) { console . error ( error ) next ( error ) } }) // 좋아요 누르기 router . patch ( '/:postId/like' , isLoggedIn , async ( req , res , next ) => { // PATCH /post/1/like try { const post = await Post . findOne ({ where : { id : req . params . postId }}) if ( ! post ) { return res . status ( 403 ). send ( '게시글이 존재하지 않습니다.' ) } await post . addLikers ( req . user . id ) res . json ({ PostId : post . id , UserId : req . user . id }) } catch ( error ) { console . error ( error ) next ( error ) } }) // 좋아요 취소 router . delete ( '/:postId/like' , isLoggedIn , async ( req , res , next ) => { // DELETE /post/1/like try { const post = await Post . findOne ({ where : { id : req . params . postId }}) if ( ! post ) { return res . status ( 403 ). send ( '게시글이 존재하지 않습니다.' ) } await post . removeLikers ( req . user . id ) res . json ({ PostId : post . id , UserId : req . user . id }) } catch ( error ) { console . error ( error ) next ( error ) } }) // 게시글 삭제 router . delete ( '/:postId' , isLoggedIn , async ( req , res , next ) => { // DELETE /post/10 try { await Post . destroy ({ where : { id : req . params . postId , UserId : req . user . id , }, }) res . status ( 200 ). json ({ PostId : parseInt ( req . params . postId , 10 ) }) } catch ( error ) { console . error ( error ) next ( error ) } }) // 이미지 업로드 router . post ( '/images' , isLoggedIn , upload . array ( 'image' ), ( req , res , next ) => { console . log ( req . files ) res . json ( req . files . map (( v ) => v . filename )) }) module . exports = router
해결됨
풀스택 리액트 토이프로젝트 - REST, GraphQL (for FE개발자)
해결했습니다!
미해결
실전! 스프링 부트와 JPA 활용1 - 웹 애플리케이션 개발
category 에서 child를 만들고 parent를 만드는 이유를 알 수 있을까요?? 그리고 child랑 parent의 의미를 정확히 알고 싶습니다... 간단한 예시를 들어 설명해 주실수 있으실까요?
미해결
실전! 스프링 부트와 JPA 활용1 - 웹 애플리케이션 개발
h2 database를 앞선 강의에서 test.mv.db를 만들어서 오류가 발생하는거 같은데 jpashop이 안만들어집니다.. database를 종료하고 다시하면 된다는데 database종료는 어떻게 할수 있을까요? 윈도우 사용중입니다.. 브라우저를 껐다켜도 안되는거 같아ㅛ ㅠㅠ
미해결
실전! 스프링 부트와 JPA 활용2 - API 개발과 성능 최적화
강의해서 1:N 은 페이징처리를 하려고하면 인메모리로 다 올려버린다고 이해하였습니다. 하지만 약간 이해가 안된다고 해야될까요? 결론적으로 정확하게 메커니즘을 제가 이해를 못하는거 같습니다. 강의를 3~4번 다시 보구 있습니다만 몇가지 질문드립니다. 1. jpql에서 1:N으로 fetch join을 하여 뻥튀기? 데이터가 되어 distinct로 해결하였습니다. 여기서 추가로 페이징을 넣으면 인메모리로 바꿘다고하셨는데, 정확하게 jpa에서 예를 들면 select distinct o from order o join fetch o,orderItems oi 이렇게 하구 페이징처리를 하면 인메모리로 된다고하셨는데 distinct를 하기전에 jpql이 1:N인걸 인지하고 인메모리로 일다누올린다는건지 궁금합니다 2. 위에 내용과 동일하게 단순히 1:N 어노테이션만 보구 컬렉션 연관관계가 되는기준으로 페이징을 처리하면 워닝 에러가 나는지 궁금합니다
