질문 드립니다. 로그 찍는 기능이 있어서 찍어 봤는데 1. 플레이어 클래스가 먼저 호출 되는 이유가 있나요? 2.  또 코드를 해석하자면    1)매니저스 클래스를 플레이어 에서 생성해서?    2) static Managers s_instance; 이 구문이 실행되고 인스턴스가 생성되면 Init()안에서  GameObject go = GameObject.Find("@Managers"); 이 문장을 실행하면 유니티에 하이라키 창에서 @매니저가 있는지 확인 하고 없으면  go = new GameObject { name = "@Managers" }; 이렇게 생성 해주잖아요? 그럼 하이라키 창에서  @Managers 이 이름으로 생성이 되고 go.AddComponent<Managers>(); 이 문장을 실행 하면 유니티에서 C#스크림트 파일을 하이라키 창에 있는 오브젝트에 드래그해서 넣는 것처럼 컴포넌트를 등록해주는게 맞나요?? 이렇게 이해 하는게 맞는지 궁금합니다. 3. 또 Managers mg = Managers.Instance; 이렇게 매니저의 인스턴스를 불러왔는데          계속해서 매니저의 업데이트를 타는 이유는 뭔가요??

너무 막연한 질문일수도 있는데요! 리엑트 공부하면서 이후 리엑트 네이티브까지 공부하려고 합니다. 물론 자바스크립트는 다 공부해야겠지만...  시간이 많지 않습니다. 혹시 강의 내용 의외에도 앞으로 리엑트를 좀 더 깊게 공부하려면 이런 내용까진 추가로 자바스크립트를 공부하고 리엑트를 진행해야한다면 자바스크립트에서 어떤것들을 추가로 공부를 하고 리엑트 공부를 해야할까요? 

Figure.set_name("figure") print(Figure.name, Circle.name) 여기서 빨간부분이 궁금한데요 저는 여기서 Circle클래스 객체가 생성이 안되어있다고 생각되어 이해가 안되는 부분입니다. Figure클래스의 객체만 생성된상태에서 어떻게 Circle.name으로 접근이 가능한가요?  아래의 Circle.set_name("Circle")로 객체생성되어야  Circle.name을 사용할수있지않나요? 

// 38. 자리 찾기    #include <stdio.h>   int main(void) { int n,i,j,tmp; scanf("%d",&n); int array[n+1]; // 배열 입력  for(i = 0; i<n; i++) { scanf("%d",&array[i]); } // 추가할 숫자 입력  scanf("%d",&array[n]); // 오름차순 알고리즘  for(i = 0; i<n+1; i++) { for(j = i; j<n+1; j++) { if(array[i] > array[j]) { tmp = array[j]; array[j] = array[i]; array[i] = tmp; } } } // 배열 출력  for(i = 0; i<n+1; i++) { printf("%d ",array[i]); } return 0; }     로 풀어도 괜찮을까요?  

CLUSTERED INDEX는 dictionary와 같이 키값만 있으면 바로 데이터를 찾을수있고,   NON-CLUSTERED INDEX는 균형이진트리로 log n만큼의 시간복잡도로 찾게 되는 건가요?

실기 4회 수정된 공지사항에서 R에 gbm, lightgbm 라이브러리가 추가되었다고 하는데, 기존 스크립트만 잘 익히면 따로 연습할 필요가 없는 라이브러리 인가요~?   시험을 위한 강의로서 선생님만한 강의가 없습니다. 감사하게 생각하며 열심히 공부하고 있습니다.

강의를 따라하던 도중 파이참의 버전의 차이인건지 잘 모르겠습니다만   Button(...........,command=draw_ract()) 입력을 하게되면 실행할때 버튼이 작동하지 않습니다. 또한 버튼이 캔버스에 사각형 한 개가 먼저 생성되어있습니다. 파이참에서 알려주는 오류?(노란색 삼각형에 느낌표)를 확인해본 결과 Expected type 'Union[str, () -> Any]', got 'None' instead 라고 뜹니다 제가 코드를 잘못 따라했나 싶어 강사님의 예제소스로 실행을 해보아도 동일한 현상이 발생합니다. 왜 이런지 해결방법 아시는 분 계실까요?  

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.   프로젝트를 생성하고 ServletApplication의 메인메소드를 실행했는데 아래와 같은 오류가 뜹니다. file - settings 에서 Build and run using과 run tests using을 IntelliJ IDEA로 변경해줬습니다. 변경전 Gradle일때는 서버는 실행되는데 무한로딩이 되더라구요. 검색을 해봐도 해결법이 나오지 않아서 질문드립니다.   "C:\Program Files\Java\jdk-11.0.15.1\bin\java.exe" "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2022.1.2\lib\idea_rt.jar=5739:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2022.1.2\bin" -Dfile.encoding=UTF-8 -classpath C:\Users\USER\Desktop\servlet\out\production\classes;C:\Users\USER\Desktop\servlet\out\production\resources;C:\Users\USER\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot-starter-web\2.7.0\7bf2381d030023970b5375c1090545e480467aa1\spring-boot-starter-web-2.7.0.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot-starter-json\2.7.0\f7120f4a6fd5dd2ca2128061e420e45ae2294943\spring-boot-starter-json-2.7.0.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot-starter\2.7.0\64fd3c21486dd20df9a62566599337dae2eb62cc\spring-boot-starter-2.7.0.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\org.springframework\spring-webmvc\5.3.20\8ac1b72a1f5c41fdc2cb3340cd94f795af260301\spring-webmvc-5.3.20.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\org.springframework\spring-web\5.3.20\3c2fe9363760d62d5b7c9f087bb4255e3377a0b2\spring-web-5.3.20.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\com.fasterxml.jackson.datatype\jackson-datatype-jsr310\2.13.3\ad2f4c61aeb9e2a8bb5e4a3ed782cfddec52d972\jackson-datatype-jsr310-2.13.3.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\com.fasterxml.jackson.module\jackson-module-parameter-names\2.13.3\f71c4ecc1a403787c963f68bc619b78ce1d2687b\jackson-module-parameter-names-2.13.3.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\com.fasterxml.jackson.datatype\jackson-datatype-jdk8\2.13.3\d4884595d5aab5babdb00ddbd693b8fd36b5ec3c\jackson-datatype-jdk8-2.13.3.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\com.fasterxml.jackson.core\jackson-databind\2.13.3\56deb9ea2c93a7a556b3afbedd616d342963464e\jackson-databind-2.13.3.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot-autoconfigure\2.7.0\483f9a66d0e8326583c5054038d0aa0a95045dc3\spring-boot-autoconfigure-2.7.0.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot\2.7.0\df8bd106d6c6a6494b787b71d23cef6d2dc73703\spring-boot-2.7.0.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot-starter-logging\2.7.0\5ff2a55d345ad824f39d55eaa32203865a92b30f\spring-boot-starter-logging-2.7.0.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\org.springframework\spring-core\5.3.20\4b88aa3c401ede3d6c8ac78ea0c646cf326ec24b\spring-core-5.3.20.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\org.yaml\snakeyaml\1.30\8fde7fe2586328ac3c68db92045e1c8759125000\snakeyaml-1.30.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\org.springframework\spring-context\5.3.20\517a42165221ea944c8b794154c10b69c0128281\spring-context-5.3.20.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\org.springframework\spring-expression\5.3.20\20e179f0dfabf0a46428f22c2150c9c4850fd15d\spring-expression-5.3.20.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\org.springframework\spring-aop\5.3.20\c82f17997ab18ecafa8d08ce34a7c7aa4a04ef9e\spring-aop-5.3.20.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\org.springframework\spring-beans\5.3.20\ab88bd9e3a8307f5c0516c15d295c88ec318659\spring-beans-5.3.20.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\com.fasterxml.jackson.core\jackson-annotations\2.13.3\7198b3aac15285a49e218e08441c5f70af00fc51\jackson-annotations-2.13.3.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\com.fasterxml.jackson.core\jackson-core\2.13.3\a27014716e4421684416e5fa83d896ddb87002da\jackson-core-2.13.3.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\ch.qos.logback\logback-classic\1.2.11\4741689214e9d1e8408b206506cbe76d1c6a7d60\logback-classic-1.2.11.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\org.apache.logging.log4j\log4j-to-slf4j\2.17.2\17dd0fae2747d9a28c67bc9534108823d2376b46\log4j-to-slf4j-2.17.2.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\org.slf4j\jul-to-slf4j\1.7.36\ed46d81cef9c412a88caef405b58f93a678ff2ca\jul-to-slf4j-1.7.36.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\org.springframework\spring-jcl\5.3.20\35119231d09863699567ce579c21512ddcbc5407\spring-jcl-5.3.20.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\ch.qos.logback\logback-core\1.2.11\a01230df5ca5c34540cdaa3ad5efb012f1f1f792\logback-core-1.2.11.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\org.slf4j\slf4j-api\1.7.36\6c62681a2f655b49963a5983b8b0950a6120ae14\slf4j-api-1.7.36.jar;C:\Users\USER\.gradle\caches\modules-2\files-2.1\org.apache.logging.log4j\log4j-api\2.17.2\f42d6afa111b4dec5d2aea0fe2197240749a4ea6\log4j-api-2.17.2.jar hello.servlet.ServletApplication . ____ _ __ _ _ /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \ ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v2.7.0) 2022-06-17 21:38:49.401 INFO 10904 --- [ main] hello.servlet.ServletApplication : Starting ServletApplication using Java 11.0.15.1 on DESKTOP-7D1Q722 with PID 10904 (C:\Users\USER\Desktop\servlet\out\production\classes started by USER in C:\Users\USER\Desktop\servlet) 2022-06-17 21:38:49.404 INFO 10904 --- [ main] hello.servlet.ServletApplication : No active profile set, falling back to 1 default profile: "default" 2022-06-17 21:38:50.378 INFO 10904 --- [ main] hello.servlet.ServletApplication : Started ServletApplication in 1.662 seconds (JVM running for 2.421) Process finished with exit code 0      

웹팩 관련하여 질문 하나 드려도 괜찮을까요?개발환경을 스스로 설정하기 위해서 리액트를 사용한 프로젝트에서 웹팩을 사용해보며 배우고 있습니다. A컴포넌트에서 A.css AA.css   B컴포넌트에서 B.css, BB.css를 각각 import하여 사용하고 있는 상태에서 번들링을 하면  A.css + AA.css + B.css + BB.css가 합쳐진 Css 파일이 만들어지는데 제가 하고 싶은 것은 A컴포넌트에서 import 하는  A.css + AA.css 가 번들링 된 Css 파일, B.css + BB.css 가 번들링 된 Css파일 이렇게 각각 을 얻는데 계속해 실패하고 있습니다만 어떤 개념을 통해 해결해 갈 수 있을지 공식문서와 검색을 통해서 얻어내지 못하고 있어 질문을 남깁니다. 감사합니다. (A컴포넌트와 B컴포넌트는 서로 import하지 않으며  부모나 자식 컴포넌트가 겹치지도 않는 상태 입니다.)

강의교안 링크에서 강의교안을 찾을수가 없습니다. 강의교안 받으려면 어떻게 해야 하나요?

학습하는 분들께 도움이 되고, 더 좋은 답변을 드릴 수 있도록 질문전에 다음을 꼭 확인해주세요.1. 강의 내용과 관련된 질문을 남겨주세요.2. 인프런의 질문 게시판과 자주 하는 질문(링크)을 먼저 확인해주세요.(자주 하는 질문 링크: https://bit.ly/3fX6ygx)3. 질문 잘하기 메뉴얼(링크)을 먼저 읽어주세요.(질문 잘하기 메뉴얼 링크: https://bit.ly/2UfeqCG)질문 시에는 위 내용은 삭제하고 다음 내용을 남겨주세요.=========================================[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (예/아니오) 예2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/아니오) 예3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/아니오) 예[질문 내용] 입구가 하나면 트레픽이 몰리면 어떻게 되나요?

다음과 같은 예외가 계속 발생하는데, DB에 있는 table을 drop 했다가 실행시키면 정상 작동해서 계속 진행했습니다.   persistence.xml 에는  `<property name="hibernate.hbm2ddl.auto" value="create" />` 로 설정하였습니다. 제 생각으로는 기존의 table들을 모두 drop하고 실행하는 거라 정상 작동되어야 한다고 생각하는데 다음과 같은 에러가 발생하는 이유가 궁금합니다.   https://github.com/siyeonSon/jpa-basic/tree/master/hellojpa 프로젝트 파일 함께 첨부합니다!   C:\Users\sondo\.jdks\corretto-16.0.2\bin\java.exe "-javaagent:C:\IntelliJ\IntelliJ IDEA Community Edition 2020.3.3\lib\idea_rt.jar=12009:C:\IntelliJ\IntelliJ IDEA Community Edition 2020.3.3\bin" -Dfile.encoding=UTF-8 -classpath C:\jpa-basic\hellojpa\target\classes;C:\Users\sondo\.m2\repository\org\hibernate\hibernate-entitymanager\5.3.10.Final\hibernate-entitymanager-5.3.10.Final.jar;C:\Users\sondo\.m2\repository\org\jboss\logging\jboss-logging\3.3.2.Final\jboss-logging-3.3.2.Final.jar;C:\Users\sondo\.m2\repository\org\hibernate\hibernate-core\5.3.10.Final\hibernate-core-5.3.10.Final.jar;C:\Users\sondo\.m2\repository\org\javassist\javassist\3.23.2-GA\javassist-3.23.2-GA.jar;C:\Users\sondo\.m2\repository\antlr\antlr\2.7.7\antlr-2.7.7.jar;C:\Users\sondo\.m2\repository\org\jboss\jandex\2.0.5.Final\jandex-2.0.5.Final.jar;C:\Users\sondo\.m2\repository\com\fasterxml\classmate\1.3.4\classmate-1.3.4.jar;C:\Users\sondo\.m2\repository\javax\activation\javax.activation-api\1.2.0\javax.activation-api-1.2.0.jar;C:\Users\sondo\.m2\repository\org\dom4j\dom4j\2.1.1\dom4j-2.1.1.jar;C:\Users\sondo\.m2\repository\org\hibernate\common\hibernate-commons-annotations\5.0.4.Final\hibernate-commons-annotations-5.0.4.Final.jar;C:\Users\sondo\.m2\repository\javax\persistence\javax.persistence-api\2.2\javax.persistence-api-2.2.jar;C:\Users\sondo\.m2\repository\net\bytebuddy\byte-buddy\1.9.5\byte-buddy-1.9.5.jar;C:\Users\sondo\.m2\repository\org\jboss\spec\javax\transaction\jboss-transaction-api_1.2_spec\1.1.1.Final\jboss-transaction-api_1.2_spec-1.1.1.Final.jar;C:\Users\sondo\.m2\repository\com\h2database\h2\1.4.200\h2-1.4.200.jar;C:\Users\sondo\.m2\repository\javax\xml\bind\jaxb-api\2.3.0\jaxb-api-2.3.0.jar hellojpa.JpaMain 6월 17, 2022 7:38:01 오후 org.hibernate.jpa.internal.util.LogHelper logPersistenceUnitInformation INFO: HHH000204: Processing PersistenceUnitInfo [ name: hello ...] 6월 17, 2022 7:38:01 오후 org.hibernate.Version logVersion INFO: HHH000412: Hibernate Core {5.3.10.Final} 6월 17, 2022 7:38:01 오후 org.hibernate.cfg.Environment <clinit> INFO: HHH000206: hibernate.properties not found 6월 17, 2022 7:38:02 오후 org.hibernate.annotations.common.reflection.java.JavaReflectionManager <clinit> INFO: HCANN000001: Hibernate Commons Annotations {5.0.4.Final} 6월 17, 2022 7:38:02 오후 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure WARN: HHH10001002: Using Hibernate built-in connection pool (not for production use!) 6월 17, 2022 7:38:02 오후 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator INFO: HHH10001005: using driver [org.h2.Driver] at URL [jdbc:h2:tcp://localhost/~/test] 6월 17, 2022 7:38:02 오후 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator INFO: HHH10001001: Connection properties: {user=sa} 6월 17, 2022 7:38:02 오후 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator INFO: HHH10001003: Autocommit mode: false 6월 17, 2022 7:38:02 오후 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PooledConnections <init> INFO: HHH000115: Hibernate connection pool size: 20 (min=1) 6월 17, 2022 7:38:02 오후 org.hibernate.dialect.Dialect <init> INFO: HHH000400: Using dialect: org.hibernate.dialect.H2Dialect Hibernate:           drop table Album if exists Hibernate:           drop table Book if exists Hibernate:           drop table Child if exists Hibernate:           drop table Locker if exists Hibernate:           drop table Member if exists 6월 17, 2022 7:38:04 오후 org.hibernate.resource.transaction.backend.jdbc.internal.DdlTransactionIsolatorNonJtaImpl getIsolatedConnection INFO: HHH10001501: Connection obtained from JdbcConnectionAccess [org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator$ConnectionProviderJdbcConnectionAccess@3d37203b] for (non-JTA) DDL execution was not in auto-commit mode; the Connection 'local transaction' will be committed and the Connection will be set into auto-commit mode. 6월 17, 2022 7:38:04 오후 org.hibernate.tool.schema.internal.ExceptionHandlerLoggedImpl handleException WARN: GenerationTarget encountered exception accepting command : Error executing DDL "     drop table Locker if exists" via JDBC Statement org.hibernate.tool.schema.spi.CommandAcceptanceException: Error executing DDL "     drop table Locker if exists" via JDBC Statement at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:67) at org.hibernate.tool.schema.internal.SchemaDropperImpl.applySqlString(SchemaDropperImpl.java:375) at org.hibernate.tool.schema.internal.SchemaDropperImpl.applySqlStrings(SchemaDropperImpl.java:359) at org.hibernate.tool.schema.internal.SchemaDropperImpl.dropFromMetadata(SchemaDropperImpl.java:241) at org.hibernate.tool.schema.internal.SchemaDropperImpl.performDrop(SchemaDropperImpl.java:154) at org.hibernate.tool.schema.internal.SchemaDropperImpl.doDrop(SchemaDropperImpl.java:126) at org.hibernate.tool.schema.internal.SchemaDropperImpl.doDrop(SchemaDropperImpl.java:112) at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.performDatabaseAction(SchemaManagementToolCoordinator.java:144) at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.process(SchemaManagementToolCoordinator.java:72) at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:310) at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:467) at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:939) at org.hibernate.jpa.HibernatePersistenceProvider.createEntityManagerFactory(HibernatePersistenceProvider.java:56) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:79) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:54) at hellojpa.JpaMain.main(JpaMain.java:14) Caused by: org.h2.jdbc.JdbcSQLSyntaxErrorException: Cannot drop "LOCKER" because "FK332130JLG9S5HYEUK7GFGI052" depends on it; SQL statement:       drop table Locker if exists [90107-200] at org.h2.message.DbException.getJdbcSQLException(DbException.java:576) at org.h2.message.DbException.getJdbcSQLException(DbException.java:429) at org.h2.message.DbException.get(DbException.java:205) at org.h2.command.ddl.DropTable.prepareDrop(DropTable.java:98) at org.h2.command.ddl.DropTable.update(DropTable.java:124) at org.h2.command.CommandContainer.update(CommandContainer.java:198) at org.h2.command.Command.executeUpdate(Command.java:251) at org.h2.server.TcpServerThread.process(TcpServerThread.java:406) at org.h2.server.TcpServerThread.run(TcpServerThread.java:183) at java.base/java.lang.Thread.run(Thread.java:832)   at org.h2.message.DbException.getJdbcSQLException(DbException.java:576) at org.h2.engine.SessionRemote.done(SessionRemote.java:611) at org.h2.command.CommandRemote.executeUpdate(CommandRemote.java:237) at org.h2.jdbc.JdbcStatement.executeInternal(JdbcStatement.java:228) at org.h2.jdbc.JdbcStatement.execute(JdbcStatement.java:201) at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:54) ... 15 more   6월 17, 2022 7:38:04 오후 org.hibernate.tool.schema.internal.ExceptionHandlerLoggedImpl handleException WARN: GenerationTarget encountered exception accepting command : Error executing DDL "     drop table Member if exists" via JDBC Statement org.hibernate.tool.schema.spi.CommandAcceptanceException: Error executing DDL "     drop table Member if exists" via JDBC Statement at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:67) at org.hibernate.tool.schema.internal.SchemaDropperImpl.applySqlString(SchemaDropperImpl.java:375) at org.hibernate.tool.schema.internal.SchemaDropperImpl.applySqlStrings(SchemaDropperImpl.java:359) at org.hibernate.tool.schema.internal.SchemaDropperImpl.dropFromMetadata(SchemaDropperImpl.java:241) at org.hibernate.tool.schema.internal.SchemaDropperImpl.performDrop(SchemaDropperImpl.java:154) at org.hibernate.tool.schema.internal.SchemaDropperImpl.doDrop(SchemaDropperImpl.java:126) at org.hibernate.tool.schema.internal.SchemaDropperImpl.doDrop(SchemaDropperImpl.java:112) at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.performDatabaseAction(SchemaManagementToolCoordinator.java:144) at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.process(SchemaManagementToolCoordinator.java:72) at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:310) at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:467) at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:939) at org.hibernate.jpa.HibernatePersistenceProvider.createEntityManagerFactory(HibernatePersistenceProvider.java:56) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:79) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:54) at hellojpa.JpaMain.main(JpaMain.java:14) Caused by: org.h2.jdbc.JdbcSQLSyntaxErrorException: Cannot drop "MEMBER" because "FKJNJ8UNGT7V35Y6LFXUXCRJBBR" depends on it; SQL statement:       drop table Member if exists [90107-200] at org.h2.message.DbException.getJdbcSQLException(DbException.java:576) at org.h2.message.DbException.getJdbcSQLException(DbException.java:429) at org.h2.message.DbException.get(DbException.java:205) at org.h2.command.ddl.DropTable.prepareDrop(DropTable.java:98) at org.h2.command.ddl.DropTable.update(DropTable.java:124) at org.h2.command.CommandContainer.update(CommandContainer.java:198) at org.h2.command.Command.executeUpdate(Command.java:251) at org.h2.server.TcpServerThread.process(TcpServerThread.java:406) at org.h2.server.TcpServerThread.run(TcpServerThread.java:183) at java.base/java.lang.Thread.run(Thread.java:832)   at org.h2.message.DbException.getJdbcSQLException(DbException.java:576) at org.h2.engine.SessionRemote.done(SessionRemote.java:611) at org.h2.command.CommandRemote.executeUpdate(CommandRemote.java:237) at org.h2.jdbc.JdbcStatement.executeInternal(JdbcStatement.java:228) at org.h2.jdbc.JdbcStatement.execute(JdbcStatement.java:201) at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:54) ... 15 more   6월 17, 2022 7:38:04 오후 org.hibernate.tool.schema.internal.ExceptionHandlerLoggedImpl handleException WARN: GenerationTarget encountered exception accepting command : Error executing DDL "     drop table Team if exists" via JDBC Statement org.hibernate.tool.schema.spi.CommandAcceptanceException: Error executing DDL "     drop table Team if exists" via JDBC Statement at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:67) at org.hibernate.tool.schema.internal.SchemaDropperImpl.applySqlString(SchemaDropperImpl.java:375) at org.hibernate.tool.schema.internal.SchemaDropperImpl.applySqlStrings(SchemaDropperImpl.java:359) at org.hibernate.tool.schema.internal.SchemaDropperImpl.dropFromMetadata(SchemaDropperImpl.java:241) at org.hibernate.tool.schema.internal.SchemaDropperImpl.performDrop(SchemaDropperImpl.java:154) at org.hibernate.tool.schema.internal.SchemaDropperImpl.doDrop(SchemaDropperImpl.java:126) at org.hibernate.tool.schema.internal.SchemaDropperImpl.doDrop(SchemaDropperImpl.java:112) at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.performDatabaseAction(SchemaManagementToolCoordinator.java:144) at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.process(SchemaManagementToolCoordinator.java:72) at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:310) at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:467) at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:939) at org.hibernate.jpa.HibernatePersistenceProvider.createEntityManagerFactory(HibernatePersistenceProvider.java:56) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:79) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:54) at hellojpa.JpaMain.main(JpaMain.java:14) Caused by: org.h2.jdbc.JdbcSQLSyntaxErrorException: Cannot drop "TEAM" because "FKL7WSNY760HJY6X19KQNDUASBM" depends on it; SQL statement:       drop table Team if exists [90107-200] at org.h2.message.DbException.getJdbcSQLException(DbException.java:576) at org.h2.message.DbException.getJdbcSQLException(DbException.java:429) at org.h2.message.DbException.get(DbException.java:205) at org.h2.command.ddl.DropTable.prepareDrop(DropTable.java:98) at org.h2.command.ddl.DropTable.update(DropTable.java:124) at org.h2.command.CommandContainer.update(CommandContainer.java:198) at org.h2.command.Command.executeUpdate(Command.java:251) at org.h2.server.TcpServerThread.process(TcpServerThread.java:406) at org.h2.server.TcpServerThread.run(TcpServerThread.java:183) at java.base/java.lang.Thread.run(Thread.java:832)   at org.h2.message.DbException.getJdbcSQLException(DbException.java:576) at org.h2.engine.SessionRemote.done(SessionRemote.java:611) at org.h2.command.CommandRemote.executeUpdate(CommandRemote.java:237) at org.h2.jdbc.JdbcStatement.executeInternal(JdbcStatement.java:228) at org.h2.jdbc.JdbcStatement.execute(JdbcStatement.java:201) at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:54) ... 15 more   Hibernate:           drop table MemberProduct if exists Hibernate:           drop table Movie if exists Hibernate:           drop table Parent if exists Hibernate:           drop table Product if exists Hibernate:           drop table Team if exists Hibernate:           drop sequence if exists hibernate_sequence Hibernate: create sequence hibernate_sequence start with 1 increment by 1 Hibernate:           create table Album (        id bigint not null,         name varchar(255),         price integer not null,         artist varchar(255),         primary key (id)     ) Hibernate:           create table Book (        id bigint not null,         name varchar(255),         price integer not null,         author varchar(255),         isbn varchar(255),         primary key (id)     ) Hibernate:           create table Child (        id bigint not null,         name varchar(255),         parent_id bigint,         primary key (id)     ) Hibernate:           create table Locker (        id bigint not null,         name varchar(255),         primary key (id)     ) Hibernate:           create table Member (        MEMBER_ID bigint not null,         INSERT_MEMBER varchar(255),         createdDate timestamp,         UPDATE_MEMBER varchar(255),         lastModifiedDate timestamp,         USERNAME varchar(255),         LOCKER_ID bigint,         TEAM_ID bigint,         primary key (MEMBER_ID)     ) Hibernate:           create table MemberProduct (        id bigint not null,         MEMBER_ID bigint,         PRODUCT_ID bigint,         primary key (id)     ) Hibernate:           create table Movie (        id bigint not null,         name varchar(255),         price integer not null,         actor varchar(255),         director varchar(255),         primary key (id)     ) 6월 17, 2022 7:38:04 오후 org.hibernate.resource.transaction.backend.jdbc.internal.DdlTransactionIsolatorNonJtaImpl getIsolatedConnection INFO: HHH10001501: Connection obtained from JdbcConnectionAccess [org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator$ConnectionProviderJdbcConnectionAccess@d0865a3] for (non-JTA) DDL execution was not in auto-commit mode; the Connection 'local transaction' will be committed and the Connection will be set into auto-commit mode. 6월 17, 2022 7:38:04 오후 org.hibernate.tool.schema.internal.ExceptionHandlerLoggedImpl handleException WARN: GenerationTarget encountered exception accepting command : Error executing DDL "     create table Locker (        id bigint not null,         name varchar(255),         primary key (id)     )" via JDBC Statement org.hibernate.tool.schema.spi.CommandAcceptanceException: Error executing DDL "     create table Locker (        id bigint not null,         name varchar(255),         primary key (id)     )" via JDBC Statement at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:67) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.applySqlString(SchemaCreatorImpl.java:440) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.applySqlStrings(SchemaCreatorImpl.java:424) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.createFromMetadata(SchemaCreatorImpl.java:315) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.performCreation(SchemaCreatorImpl.java:166) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.doCreation(SchemaCreatorImpl.java:135) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.doCreation(SchemaCreatorImpl.java:121) at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.performDatabaseAction(SchemaManagementToolCoordinator.java:155) at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.process(SchemaManagementToolCoordinator.java:72) at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:310) at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:467) at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:939) at org.hibernate.jpa.HibernatePersistenceProvider.createEntityManagerFactory(HibernatePersistenceProvider.java:56) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:79) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:54) at hellojpa.JpaMain.main(JpaMain.java:14) Caused by: org.h2.jdbc.JdbcSQLSyntaxErrorException: Table "LOCKER" already exists; SQL statement:       create table Locker (        id bigint not null,         name varchar(255),         primary key (id)     ) [42101-200] at org.h2.message.DbException.getJdbcSQLException(DbException.java:453) at org.h2.message.DbException.getJdbcSQLException(DbException.java:429) at org.h2.message.DbException.get(DbException.java:205) at org.h2.message.DbException.get(DbException.java:181) at org.h2.command.ddl.CreateTable.update(CreateTable.java:89) at org.h2.command.CommandContainer.update(CommandContainer.java:198) at org.h2.command.Command.executeUpdate(Command.java:251) at org.h2.server.TcpServerThread.process(TcpServerThread.java:406) at org.h2.server.TcpServerThread.run(TcpServerThread.java:183) at java.base/java.lang.Thread.run(Thread.java:832)   at org.h2.message.DbException.getJdbcSQLException(DbException.java:453) at org.h2.engine.SessionRemote.done(SessionRemote.java:611) at org.h2.command.CommandRemote.executeUpdate(CommandRemote.java:237) at org.h2.jdbc.JdbcStatement.executeInternal(JdbcStatement.java:228) at org.h2.jdbc.JdbcStatement.execute(JdbcStatement.java:201) at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:54) ... 15 more   6월 17, 2022 7:38:04 오후 org.hibernate.tool.schema.internal.ExceptionHandlerLoggedImpl handleException WARN: GenerationTarget encountered exception accepting command : Error executing DDL "     create table Member (        MEMBER_ID bigint not null,         INSERT_MEMBER varchar(255),         createdDate timestamp,         UPDATE_MEMBER varchar(255),         lastModifiedDate timestamp,         USERNAME varchar(255),         LOCKER_ID bigint,         TEAM_ID bigint,         primary key (MEMBER_ID)     )" via JDBC Statement org.hibernate.tool.schema.spi.CommandAcceptanceException: Error executing DDL "     create table Member (        MEMBER_ID bigint not null,         INSERT_MEMBER varchar(255),         createdDate timestamp,         UPDATE_MEMBER varchar(255),         lastModifiedDate timestamp,         USERNAME varchar(255),         LOCKER_ID bigint,         TEAM_ID bigint,         primary key (MEMBER_ID)     )" via JDBC Statement at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:67) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.applySqlString(SchemaCreatorImpl.java:440) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.applySqlStrings(SchemaCreatorImpl.java:424) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.createFromMetadata(SchemaCreatorImpl.java:315) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.performCreation(SchemaCreatorImpl.java:166) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.doCreation(SchemaCreatorImpl.java:135) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.doCreation(SchemaCreatorImpl.java:121) at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.performDatabaseAction(SchemaManagementToolCoordinator.java:155) at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.process(SchemaManagementToolCoordinator.java:72) at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:310) at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:467) at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:939) at org.hibernate.jpa.HibernatePersistenceProvider.createEntityManagerFactory(HibernatePersistenceProvider.java:56) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:79) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:54) at hellojpa.JpaMain.main(JpaMain.java:14) Caused by: org.h2.jdbc.JdbcSQLSyntaxErrorException: Table "MEMBER" already exists; SQL statement:       create table Member (        MEMBER_ID bigint not null,         INSERT_MEMBER varchar(255),         createdDate timestamp,         UPDATE_MEMBER varchar(255),         lastModifiedDate timestamp,         USERNAME varchar(255),         LOCKER_ID bigint,         TEAM_ID bigint,         primary key (MEMBER_ID)     ) [42101-200] at org.h2.message.DbException.getJdbcSQLException(DbException.java:453) at org.h2.message.DbException.getJdbcSQLException(DbException.java:429) at org.h2.message.DbException.get(DbException.java:205) at org.h2.message.DbException.get(DbException.java:181) at org.h2.command.ddl.CreateTable.update(CreateTable.java:89) at org.h2.command.CommandContainer.update(CommandContainer.java:198) at org.h2.command.Command.executeUpdate(Command.java:251) at org.h2.server.TcpServerThread.process(TcpServerThread.java:406) at org.h2.server.TcpServerThread.run(TcpServerThread.java:183) at java.base/java.lang.Thread.run(Thread.java:832)   at org.h2.message.DbException.getJdbcSQLException(DbException.java:453) at org.h2.engine.SessionRemote.done(SessionRemote.java:611) at org.h2.command.CommandRemote.executeUpdate(CommandRemote.java:237) at org.h2.jdbc.JdbcStatement.executeInternal(JdbcStatement.java:228) at org.h2.jdbc.JdbcStatement.execute(JdbcStatement.java:201) at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:54) ... 15 more   6월 17, 2022 7:38:04 오후 org.hibernate.tool.schema.internal.ExceptionHandlerLoggedImpl handleException WARN: GenerationTarget encountered exception accepting command : Error executing DDL "     create table Team (        TEAM_ID bigint not null,         INSERT_MEMBER varchar(255),         createdDate timestamp,         UPDATE_MEMBER varchar(255),         lastModifiedDate timestamp,         name varchar(255),         primary key (TEAM_ID)     )" via JDBC Statement org.hibernate.tool.schema.spi.CommandAcceptanceException: Error executing DDL "     create table Team (        TEAM_ID bigint not null,         INSERT_MEMBER varchar(255),         createdDate timestamp,         UPDATE_MEMBER varchar(255),         lastModifiedDate timestamp,         name varchar(255),         primary key (TEAM_ID)     )" via JDBC Statement at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:67) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.applySqlString(SchemaCreatorImpl.java:440) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.applySqlStrings(SchemaCreatorImpl.java:424) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.createFromMetadata(SchemaCreatorImpl.java:315) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.performCreation(SchemaCreatorImpl.java:166) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.doCreation(SchemaCreatorImpl.java:135) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.doCreation(SchemaCreatorImpl.java:121) at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.performDatabaseAction(SchemaManagementToolCoordinator.java:155) at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.process(SchemaManagementToolCoordinator.java:72) at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:310) at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:467) at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:939) at org.hibernate.jpa.HibernatePersistenceProvider.createEntityManagerFactory(HibernatePersistenceProvider.java:56) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:79) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:54) at hellojpa.JpaMain.main(JpaMain.java:14) Caused by: org.h2.jdbc.JdbcSQLSyntaxErrorException: Table "TEAM" already exists; SQL statement:       create table Team (        TEAM_ID bigint not null,         INSERT_MEMBER varchar(255),         createdDate timestamp,         UPDATE_MEMBER varchar(255),         lastModifiedDate timestamp,         name varchar(255),         primary key (TEAM_ID)     ) [42101-200] at org.h2.message.DbException.getJdbcSQLException(DbException.java:453) at org.h2.message.DbException.getJdbcSQLException(DbException.java:429) at org.h2.message.DbException.get(DbException.java:205) at org.h2.message.DbException.get(DbException.java:181) at org.h2.command.ddl.CreateTable.update(CreateTable.java:89) at org.h2.command.CommandContainer.update(CommandContainer.java:198) at org.h2.command.Command.executeUpdate(Command.java:251) at org.h2.server.TcpServerThread.process(TcpServerThread.java:406) at org.h2.server.TcpServerThread.run(TcpServerThread.java:183) at java.base/java.lang.Thread.run(Thread.java:832)   at org.h2.message.DbException.getJdbcSQLException(DbException.java:453) at org.h2.engine.SessionRemote.done(SessionRemote.java:611) at org.h2.command.CommandRemote.executeUpdate(CommandRemote.java:237) at org.h2.jdbc.JdbcStatement.executeInternal(JdbcStatement.java:228) at org.h2.jdbc.JdbcStatement.execute(JdbcStatement.java:201) at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:54) ... 15 more   Hibernate:           create table Parent (        id bigint not null,         name varchar(255),         primary key (id)     ) Hibernate:           create table Product (        id bigint not null,         name varchar(255),         primary key (id)     ) Hibernate:           create table Team (        TEAM_ID bigint not null,         INSERT_MEMBER varchar(255),         createdDate timestamp,         UPDATE_MEMBER varchar(255),         lastModifiedDate timestamp,         name varchar(255),         primary key (TEAM_ID)     ) Hibernate:           alter table Child         add constraint FKlh67j1n7x7gt59u0pbkwqh6o6         foreign key (parent_id)         references Parent Hibernate:           alter table Member         add constraint FK332130jlg9s5hyeuk7gfgi052         foreign key (LOCKER_ID)         references Locker Hibernate:           alter table Member         add constraint FKl7wsny760hjy6x19kqnduasbm         foreign key (TEAM_ID)         references Team Hibernate:           alter table MemberProduct         add constraint FKjnj8ungt7v35y6lfxuxcrjbbr         foreign key (MEMBER_ID)         references Member Hibernate:           alter table MemberProduct         add constraint FKrgt6jorh7iaec1tae84ljye8c         foreign key (PRODUCT_ID)         references Product 6월 17, 2022 7:38:04 오후 org.hibernate.tool.schema.internal.ExceptionHandlerLoggedImpl handleException WARN: GenerationTarget encountered exception accepting command : Error executing DDL "     alter table Member         add constraint FK332130jlg9s5hyeuk7gfgi052         foreign key (LOCKER_ID)         references Locker" via JDBC Statement org.hibernate.tool.schema.spi.CommandAcceptanceException: Error executing DDL "     alter table Member         add constraint FK332130jlg9s5hyeuk7gfgi052         foreign key (LOCKER_ID)         references Locker" via JDBC Statement at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:67) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.applySqlString(SchemaCreatorImpl.java:440) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.applySqlStrings(SchemaCreatorImpl.java:424) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.createFromMetadata(SchemaCreatorImpl.java:375) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.performCreation(SchemaCreatorImpl.java:166) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.doCreation(SchemaCreatorImpl.java:135) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.doCreation(SchemaCreatorImpl.java:121) at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.performDatabaseAction(SchemaManagementToolCoordinator.java:155) at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.process(SchemaManagementToolCoordinator.java:72) at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:310) at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:467) at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:939) at org.hibernate.jpa.HibernatePersistenceProvider.createEntityManagerFactory(HibernatePersistenceProvider.java:56) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:79) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:54) at hellojpa.JpaMain.main(JpaMain.java:14) Caused by: org.h2.jdbc.JdbcSQLSyntaxErrorException: Constraint "FK332130JLG9S5HYEUK7GFGI052" already exists; SQL statement:       alter table Member         add constraint FK332130jlg9s5hyeuk7gfgi052         foreign key (LOCKER_ID)         references Locker [90045-200] at org.h2.message.DbException.getJdbcSQLException(DbException.java:576) at org.h2.message.DbException.getJdbcSQLException(DbException.java:429) at org.h2.message.DbException.get(DbException.java:205) at org.h2.message.DbException.get(DbException.java:181) at org.h2.command.ddl.AlterTableAddConstraint.tryUpdate(AlterTableAddConstraint.java:114) at org.h2.command.ddl.AlterTableAddConstraint.update(AlterTableAddConstraint.java:78) at org.h2.command.CommandContainer.update(CommandContainer.java:198) at org.h2.command.Command.executeUpdate(Command.java:251) at org.h2.server.TcpServerThread.process(TcpServerThread.java:406) at org.h2.server.TcpServerThread.run(TcpServerThread.java:183) at java.base/java.lang.Thread.run(Thread.java:832)   at org.h2.message.DbException.getJdbcSQLException(DbException.java:576) at org.h2.engine.SessionRemote.done(SessionRemote.java:611) at org.h2.command.CommandRemote.executeUpdate(CommandRemote.java:237) at org.h2.jdbc.JdbcStatement.executeInternal(JdbcStatement.java:228) at org.h2.jdbc.JdbcStatement.execute(JdbcStatement.java:201) at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:54) ... 15 more   6월 17, 2022 7:38:04 오후 org.hibernate.tool.schema.internal.ExceptionHandlerLoggedImpl handleException WARN: GenerationTarget encountered exception accepting command : Error executing DDL "     alter table Member         add constraint FKl7wsny760hjy6x19kqnduasbm         foreign key (TEAM_ID)         references Team" via JDBC Statement org.hibernate.tool.schema.spi.CommandAcceptanceException: Error executing DDL "     alter table Member         add constraint FKl7wsny760hjy6x19kqnduasbm         foreign key (TEAM_ID)         references Team" via JDBC Statement at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:67) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.applySqlString(SchemaCreatorImpl.java:440) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.applySqlStrings(SchemaCreatorImpl.java:424) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.createFromMetadata(SchemaCreatorImpl.java:375) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.performCreation(SchemaCreatorImpl.java:166) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.doCreation(SchemaCreatorImpl.java:135) at org.hibernate.tool.schema.internal.SchemaCreatorImpl.doCreation(SchemaCreatorImpl.java:121) at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.performDatabaseAction(SchemaManagementToolCoordinator.java:155) at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.process(SchemaManagementToolCoordinator.java:72) at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:310) at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:467) at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:939) at org.hibernate.jpa.HibernatePersistenceProvider.createEntityManagerFactory(HibernatePersistenceProvider.java:56) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:79) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:54) at hellojpa.JpaMain.main(JpaMain.java:14) Caused by: org.h2.jdbc.JdbcSQLSyntaxErrorException: Constraint "FKL7WSNY760HJY6X19KQNDUASBM" already exists; SQL statement:       alter table Member         add constraint FKl7wsny760hjy6x19kqnduasbm         foreign key (TEAM_ID)         references Team [90045-200] at org.h2.message.DbException.getJdbcSQLException(DbException.java:576) at org.h2.message.DbException.getJdbcSQLException(DbException.java:429) at org.h2.message.DbException.get(DbException.java:205) at org.h2.message.DbException.get(DbException.java:181) at org.h2.command.ddl.AlterTableAddConstraint.tryUpdate(AlterTableAddConstraint.java:114) at org.h2.command.ddl.AlterTableAddConstraint.update(AlterTableAddConstraint.java:78) at org.h2.command.CommandContainer.update(CommandContainer.java:198) at org.h2.command.Command.executeUpdate(Command.java:251) at org.h2.server.TcpServerThread.process(TcpServerThread.java:406) at org.h2.server.TcpServerThread.run(TcpServerThread.java:183) at java.base/java.lang.Thread.run(Thread.java:832)   at org.h2.message.DbException.getJdbcSQLException(DbException.java:576) at org.h2.engine.SessionRemote.done(SessionRemote.java:611) at org.h2.command.CommandRemote.executeUpdate(CommandRemote.java:237) at org.h2.jdbc.JdbcStatement.executeInternal(JdbcStatement.java:228) at org.h2.jdbc.JdbcStatement.execute(JdbcStatement.java:201) at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:54) ... 15 more   6월 17, 2022 7:38:04 오후 org.hibernate.tool.schema.internal.SchemaCreatorImpl applyImportSources INFO: HHH000476: Executing import script 'org.hibernate.tool.schema.internal.exec.ScriptSourceInputNonExistentImpl@103082dd' Hibernate:      call next value for hibernate_sequence Hibernate:      call next value for hibernate_sequence Hibernate:      call next value for hibernate_sequence Hibernate:      /* insert hellojpa.entity.cascade.Parent         */ insert          into             Parent             (name, id)          values             (?, ?) Hibernate:      /* insert hellojpa.entity.cascade.Child         */ insert          into             Child             (name, parent_id, id)          values             (?, ?, ?) Hibernate:      /* insert hellojpa.entity.cascade.Child         */ insert          into             Child             (name, parent_id, id)          values             (?, ?, ?) 6월 17, 2022 7:38:04 오후 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl stop INFO: HHH10001008: Cleaning up connection pool [jdbc:h2:tcp://localhost/~/test]   Process finished with exit code 0  

[질문 템플릿]1. 강의 내용과 관련된 질문인가요? 예2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? 예3. 질문 잘하기 메뉴얼을 읽어보셨나요? 예[질문 내용] 안녕하세요. 본 강의를 통해 스프링 공부를 시작한 학생입니다. 강의를 듣다가 궁금한 점이 생겨 질문 드립니다.   domain의 Member 클래스에도 Getter, Setter가 있고, controller의 MemberForm 클래스에도 Getter, Setter가 있는데   MemberController의 create 함수에서 member.setName은 있고 form.setName은 없는 이유가 궁금합니다.   createMemberForm.html의 <form action="/members/new/ method="post">를 통해 사용자가 입력한 "spring"이라는 이름이 value값으로 넘어가는 것, 그리고 @PostMapping이 있는 create 함수로 넘어가는 것까진 이해했는데 왜 이 함수에서 MemberForm의 set 함수 코드는 없는 것인지 궁금합니다.   사용자가 이름을 입력했을 때, 스프링이 자동으로 MemberForm의 name 값을 입력한 이름으로 설정해준 건가요?   답변 미리 감사합니다.

for(char a : str)이 어떤 의미인지 궁금합니다. 강의에 잠깐 나오는 내용으로는 문자열 내의 문자마다 for문이 도는 걸로 내용상 이해가 되는데 맞에 이해한 건가요?

note 가 있는 경우 title 과 content 만 입력해주고 있어서 color 는 rosBud 로 전부 보이는것 같은데..(5:40) 제가 코드를 완전히 똑같게 실습하고 있지는 않아서 놓친게 있는건지 궁금합니다 ~

=========================================[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (예)2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예)3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예) ================================================== (수정)깃헙링크를 안올렸네요. 죄송합니다ㅠ https://github.com/young0264/jpashop 코드 참고 부탁드립니다..!   웹 계층개발 첫강의에서 원하는 view가 안나옵니다.. spring boot 2.7 에서 2.4.1버전으로 다운그레이드도 하였는데 안되네요.. 커뮤니티 게시글에 올라온 버전문제, 강의를 다시 한번씩 살피면서 코드를 전체적으로 한번 다 봤는데 어떻게 손을봐야할지를 모르겠습니다..   현재 home.html을 열어보면 fragments파일의 footer, bodyHeader , header 파일들이 개별적으로는 실행이 되는데 fragments 의 파일들이 적용이 안되어 있는거보면 이 연결이 안되는게 문제인 것 같아요..   어디를 수정하면 되는지 한말씀만 주시면 감사하겠습니다 ..!ㅠ (스프링부트는 2.4.1 , bootstrap은 강의와 같은버전입니다)   ================================================================ 부트스트랩이 적용안될시 게시판에 올라온 해결책중 두가지를 적용해봤습니다. 1. css폴더에 jumbotron.css 코드를 추가한것(지우고 넣고 두방법 해봣지만 모두 다 안됩니다) 2. 부트스트랩의 버전이 맞지않은경우에 header.html 의 css쪽의 stylesheet 주소를 바꿔줘야 하는경우입니다. 버전이 현재 4.3.1(강의와 같음) 이지만 해상페이지에 들어가서 확인해보고 (같았습니다)수업과 같지만 바꿔주었습니다. https://getbootstrap.com/docs/4.3/getting-started/introduction/ 일단 이 두방법을 시도했기에 참고 부탁드립니다..  

안녕하세요 강의 잘보고 있습니다!tailwind css를 사용하는 방법으로 CDN을 script로 가져와서 사용하는 방법과 tailwind CLI를 사용해서 작성한 클래스들을 컴파일해서 사용하는 방법으로 보았습니다. 하지만 컴파일된 output.css 파일에는 제가 페이지를 작성하면서 사용한 클래스들을 css로 컴파일해주는 것이라 다양한 클래스를 미리 컴파일 하기 어려워 보이는데요 ,, 혹시 https://unpkg.com/tailwindcss@2.2.19/dist/tailwind.min.css 이런식으로 되어있는 min.css 처럼 3 버전 이후의 소스를 min.css로 가져 올 수 있거나, 혹은 미리 컴파일하는 방법에 대해서 알 수 있을까요?

혹시, 강의 노션을 공유 받을 수 있을까요?

안녕하세요. 해당 강의를 수강하면서 블로그에 강의 내용 (강사님의 설명 혹은 자료 등)을 정리하고자 하는데 가능한지 궁금합니다.

build 하실 때  -f옵션은 dev파일이 아니니깐 안써도 되고  -t도 안쓰셨는데 run할때는 docker run -p 8080:80 이미지이름 으로 run하는걸로 보이더라구요 근데 왜 실행이 잘 되는가요?