안녕하세요. 궁금한점이 있어서 질문드립니다.BFS를 풀다가 생각난건데OOOXXXXOOOOXXXXXXXXXOOOOO이렇게 배열이 들어왔을때 1112233111433333333355555이런식으로 영역별로 숫자가 1씩 증가되는코드를 작성하고 싶은데 어떻게 해야할까요..?

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? 네2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? 네3. 질문 잘하기 메뉴얼을 읽어보셨나요? 네[질문 내용]여기에 질문 내용을 남겨주세요.Item 도메인 객체 대신 폼 데이터 전달을 위해서 ItemSaveForm으로 교체해서 사용을 했는데Post요청으로 폼 데이터 불러오는 부분 말고 Get요청으로 상품 추가 폼 불러오는 부분에서model.addAttribute("item", new Item()); 대신model.addAttribute("item", new ItemSaveForm()); 으로 변경해야 하는 것이 아닌지 궁금합니다!이 부분에 대한 언급이 없으셔서 혹시 바꾸지 않은 특별한 이유가 있으실까요?

class Mother { public: int m_i; }; class Child : public Mother { public: Child() : m_i(1024) // <-------------------- error! {} }; 안녕하세요, Child에서 m_i(1) 초기화 안되는 이유가, 결국에는 Mother에서 초기화를 이미 했기 때문이라는 것일까요? 아니면 무조건 Mother에서 초기화를 해야한다는 것일까요?

'8' 보다는 '9' 로 고정해 두는 게 좋아 보입니다. localparam NUM_MAX_BURST = 256; 케이스를 위해서요.관련된 r_ARLEN_ar 은 고정된 8비트 포트에 연결되니 reg [7:0] 으로 고정하고요. '8' 인 상태에서 256 burst length 로 테스트하더라도 정상 동작한 것은 아니지만 error는 발생하지 않습니다. r_ARLEN_ar 값이 '-1', 즉 0xff 가 되어 같은 효과를 냈고, r_hs 의 total count 에 도달해 종료되고, 테스트 벤치에서의 값 비교도 바이트 0~0xff 반복 비교라 통과됩니다. (src, dest 위치 매핑은 틀어졌어도) r_num_total_stream_hs 의 경우 [31-NUM_SAMPLE_IN_AXI_DATA:0] 로 할 경우 AxSize 가 128 까지 가능한데다, AxSize 에 따라 RDMA total bytes 설정 범위가 영향 받는 것 보다는 [31-AXI_DATA_SHIFT:0] 으로 하는 게 나아 보입니다. (관련된 *_cnt 들 포함)  

 클라이언트가 만약 소켓 연결을 정상 종료하지 않고 프로그램을 끄게 되는 경우 예컨데 정전으로 인해 클라이언트 PC가 종료됐다면 서버는 알턱이 없으니 결국 TimeOut을 체크해서 서버가 연결을 종료해야할 것 같은데 맞을까요?제 생각엔 위와 같은 흐름으로 진행되고 다른 방법은 떠오르지 않는데 혹시 대응할 수 있는 방법이 있을까요?

현재 스프1탄 mvc01버전 듣고 있는데 hikari관련 오류가 나서 깃허브가서 소스코드를 가져오려고 합니다.깃 들어가니 레포지토리가 정리가 잘 안되어있어서 찾지를 못하겠는데어떤 레포지토리를 봐야하나요???

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]위 그림과 같이 전송한 데이터를 다 볼 수 있는데 만약 민감한 데이터를 전송하는 경우에는 어떤 방식으로 전송을 하게 되나요?

안녕하세요 선생님, 문제를 풀며 빠르게 익숙해지는 파이썬 기본 : 문자열, 리스트, 조건문 활용 중 28번 문제 질문 드립니다. strip ( ) 함수 사용 관련입니다 !  28. 문자열 인덱싱과 조건문저는 중첩된 if문과 문자열 인덱싱을 이용해 다음과 같이 작성하였고, 정답이 나오는 걸 확인했습니다.두 번째 풀이를 생각하던 중 strip( ) 함수를 이용해봐야겠다 생각해서, 다음과 같이 작성해보았습니다. 출력이 -가 제거된 형태로 나올 꺼라 생각했는데, -가 제거되지 않아 질문드립니다.제가 strip ( ) 함수를 잘못 작성한 걸까요..??

안녕하세요 선생님, 좋은 강의 늘 감사드립니다.문제를 풀며 빠르게 익숙해지는 파이썬 기본 : 문자열, 리스트, 조건문 활용 중 질문입니다.20번저는 문자열 인덱스와 if문, int ( ) 타입 변환을 이용하여 다음과 같이 작성했고, 정답이 출력 되는 것을 확인했습니다. 그리고 위 코드 중 변수 gender을 int 타입으로 변환하지 않는 경우를 생각해보았고, 오류가 날 것이라고 생각했습니다. 하지만 아래와 같이 정답은 출력 되지 않았지만, 코드 오류가 나지는 않았습니다. 그 이유를 다음과 같이 작성해봤는데, 제 생각이 맞는지 확실치 않아 질문 드리게 되었습니다. int 타입 변환을 해주지 않았으므로 gender은 string 타입이다. string 타입인 gender은 1 , 3 과 같은 int 타입과 비교 자체가 불가 하므로 if-else문에서 if가 아닌 else문으로 넘어가게 되고, 언제나 '여자입니다'가 출력 된다. (숫자가 아닌, 900326-&063210처럼 특수 문자를 넣어도 '여자입니다'가 출력된다)

강의 영상 7분 경 씬 UI인 UI_Inven를 화면에 띄우는 코드를 PlayerController.cs 에서 GameScene.cs로 옮겼는데 Null 오류가 발생했습니다. PlayerController.cs 에 위 코드가 있을 때는 정상적으로 작동하는데 옮기면 계속 오류가 발생합니다.오류로그hierachy 창인스펙터창코드(GameScene.cs)public class GameScene : BaseScene{ void Start() { Init(); } protected override void Init() { base.Init(); SceneType = Define.Scene.Game; GameManager.UI.ShowSceneUI<UI_Inventory>(); } public override void Clear() { }}코드(GameManager.cs)using System.Collections;using System.Collections.Generic;using System.Runtime.InteropServices.WindowsRuntime;using UnityEngine;public class GameManager : MonoBehaviour{ static GameManager instance; static GameManager Instance { get { Init(); return instance; } } InputManager input = new InputManager(); public static InputManager Input { get { return Instance.input; } } ResourceManager resources = new ResourceManager(); public static ResourceManager Resources { get { return Instance.resources; } } private DataManager data = new DataManager(); public static DataManager Data { get { return instance._data; } } private UIManager ui = new UIManager(); public static UIManager UI { get { return instance._ui; } } void Start() { Init(); instance.data.Init(); } void Update() { input.OnUpdate(); } static void Init() { if(instance == null) { GameObject go = GameObject.Find("@GameManager"); if (go == null) { go = new GameObject { name = "@GameManager" }; go.AddComponent<GameManager>(); } DontDestroyOnLoad(_go); instance = go.GetComponent<GameManager>(); } }}

잘되던 프로그램이 불현듯long take profit-get_position_amt error msg:ExecuteError [Executing] -5000: GET /fapi/v1/positionRisk is retired, please use GET /fapi/v2/positionRisk 메세지를 내보내며 계속 오류가 납니다종목 관계없이 생기는데숏포지션은 되면서 롱에서만 생기는데 해결방법좀 알려주시면 감사하겠습니다.

=========================================[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]스프링 mvc 강의듣다 의문이 들어서 그러는데요 서버 시작하고 인터넷띄어서 예를 들어 localhost:8080/index.html 이런 식으로 접근할때 서버는 resources/static 아래에 있는 index.html 을 보여주는 건가요 아님 resources/template 아래에 있는 index.html 을 보여주는 건가요??만약에 static 이나 template 아래에 같은 이름의 파일이 있다면 static 아래에 있는 파일을 보여주나요 아님 template 아래에 있는 파일을 보여주나요?

 해당 주소에 판다스 프로파일링이 버전별로 있는데 첨부한 코드와 같이 오류가 납니다..다른분들의 질문글을 읽어보고 판다스 버전도 바꿔보고 프로파일링 버전도 바꿔보고, 아나콘다 재설치도 두어번 해봤는데 도저히 해결책을 못찾겠어요..(아나콘다 재설치 과정에서 주피터와 프롬프트가 사라지기도 해서 애를 많이 먹었습니다ㅠㅠ) ipynb 파일https://drive.google.com/file/d/1bd4wdrlwevN5FneKN_fWRrDkl2q8zniY/view?usp=sharingbase.pyhttps://drive.google.com/file/d/1GcxiAhg_XTW2V5h35fnEkxmZQCYIx1YJ/view?usp=sharing

안녕하세요!회사에 강의 진행률 제출해야 되어서 제대로 내용을 못봤습니다수강기간 연장 부탁드립니다!

표준스트림 듣다가 궁금한게 있는데요 0번이 입력 1번이 출력 이렇게 되잖아요이런 스트림들이 프로세스와 연결되는 통로같은건가요?백그라운드 프로세스와 데몬 프로세스 차이점질문인데요 백그라운드 프로세스는 그래도 표준 입출력 스트림은 그래도 있는건가요? 강의에서 연결되지는 않지만 #0이건 그려줘서 질문 드립니다. 마지막으로요 리눅스 소켓프로그래밍 공부하려면 셸스크립트랑 시스템 프로그래밍이 선행되있어야 하나요?

protected AjaxLoginProcessingFilter(String defaultFilterProcessesUrl) {super(new AntPathRequestMatcher("/xxx"));}이렇게 설정하는건 자바에서 직접 설정하는거고이전에 설정파일에서http.authorizeRequests().antMatchers("/xxx") 경로 설정한거랑두개다 같다고 생각하면 되는거죠 ?

어디가 문제인지 모르겠습니다..이것때문에 진도를 못나갑니다 도와주세요

실전 예제 4를 하고 있는데 create로 설정하면 메인메서드 실행할 때마다 테이블 드랍되고 실행되어야하는데 아래와 같은 오류가 자꾸 발생하면서 실행이 안되는데 왜그럴까요 ㅠㅠ 수동으로 데이터베이스에서 드랍하고 실행하거나 update 등으로만 설정해야 잘 작동되는데 왜그럴까요...  /Library/Java/JavaVirtualMachines/jdk-11.jdk/Contents/Home/bin/java -javaagent:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar=49362:/Applications/IntelliJ IDEA.app/Contents/bin -Dfile.encoding=UTF-8 -classpath /Users/hwang-gyuhyeog/Desktop/JPA/1.자바 ORM 표준 JPA 프로그래밍-기본편/jpashop/target/classes:/Users/hwang-gyuhyeog/.m2/repository/org/hibernate/hibernate-entitymanager/5.3.10.Final/hibernate-entitymanager-5.3.10.Final.jar:/Users/hwang-gyuhyeog/.m2/repository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/Users/hwang-gyuhyeog/.m2/repository/org/hibernate/hibernate-core/5.3.10.Final/hibernate-core-5.3.10.Final.jar:/Users/hwang-gyuhyeog/.m2/repository/org/javassist/javassist/3.23.2-GA/javassist-3.23.2-GA.jar:/Users/hwang-gyuhyeog/.m2/repository/antlr/antlr/2.7.7/antlr-2.7.7.jar:/Users/hwang-gyuhyeog/.m2/repository/org/jboss/jandex/2.0.5.Final/jandex-2.0.5.Final.jar:/Users/hwang-gyuhyeog/.m2/repository/com/fasterxml/classmate/1.3.4/classmate-1.3.4.jar:/Users/hwang-gyuhyeog/.m2/repository/javax/activation/javax.activation-api/1.2.0/javax.activation-api-1.2.0.jar:/Users/hwang-gyuhyeog/.m2/repository/org/dom4j/dom4j/2.1.1/dom4j-2.1.1.jar:/Users/hwang-gyuhyeog/.m2/repository/org/hibernate/common/hibernate-commons-annotations/5.0.4.Final/hibernate-commons-annotations-5.0.4.Final.jar:/Users/hwang-gyuhyeog/.m2/repository/javax/persistence/javax.persistence-api/2.2/javax.persistence-api-2.2.jar:/Users/hwang-gyuhyeog/.m2/repository/net/bytebuddy/byte-buddy/1.9.5/byte-buddy-1.9.5.jar:/Users/hwang-gyuhyeog/.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:/Users/hwang-gyuhyeog/.m2/repository/com/h2database/h2/1.4.200/h2-1.4.200.jar:/Users/hwang-gyuhyeog/.m2/repository/javax/xml/bind/jaxb-api/2.3.0/jaxb-api-2.3.0.jar jpabook.jpashop.JpaMain8월 08, 2023 10:39:56 오후 org.hibernate.jpa.internal.util.LogHelper logPersistenceUnitInformationINFO: HHH000204: Processing PersistenceUnitInfo [ name: hello ...]8월 08, 2023 10:39:56 오후 org.hibernate.Version logVersionINFO: HHH000412: Hibernate Core {5.3.10.Final}8월 08, 2023 10:39:56 오후 org.hibernate.cfg.Environment <clinit>INFO: HHH000206: hibernate.properties not found8월 08, 2023 10:39:57 오후 org.hibernate.annotations.common.reflection.java.JavaReflectionManager <clinit>INFO: HCANN000001: Hibernate Commons Annotations {5.0.4.Final}8월 08, 2023 10:39:57 오후 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl configureWARN: HHH10001002: Using Hibernate built-in connection pool (not for production use!)8월 08, 2023 10:39:57 오후 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreatorINFO: HHH10001005: using driver [org.h2.Driver] at URL [jdbc:h2:tcp://localhost/~/jpashop]8월 08, 2023 10:39:57 오후 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreatorINFO: HHH10001001: Connection properties: {user=sa}8월 08, 2023 10:39:57 오후 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreatorINFO: HHH10001003: Autocommit mode: false8월 08, 2023 10:39:57 오후 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PooledConnections <init>INFO: HHH000115: Hibernate connection pool size: 20 (min=1)8월 08, 2023 10:39:57 오후 org.hibernate.dialect.Dialect <init>INFO: HHH000400: Using dialect: org.hibernate.dialect.H2DialectHibernate: drop table Category if existsHibernate: drop table CATEGORY_ITEM if existsHibernate: drop table Delivery if existsHibernate: drop table Item if existsHibernate: drop table Member if existsHibernate: drop table OrderItem if existsHibernate: drop table ORDERS if existsHibernate: drop sequence if exists hibernate_sequenceHibernate: create sequence hibernate_sequence start with 1 increment by 18월 08, 2023 10:39:57 오후 org.hibernate.resource.transaction.backend.jdbc.internal.DdlTransactionIsolatorNonJtaImpl getIsolatedConnectionINFO: HHH10001501: Connection obtained from JdbcConnectionAccess [org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator$ConnectionProviderJdbcConnectionAccess@7f5b9db] 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.8월 08, 2023 10:39:57 오후 org.hibernate.tool.schema.internal.ExceptionHandlerLoggedImpl handleExceptionWARN: GenerationTarget encountered exception accepting command : Error executing DDL " drop table Category if exists" via JDBC Statementorg.hibernate.tool.schema.spi.CommandAcceptanceException: Error executing DDL " drop table Category 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 jpabook.jpashop.JpaMain.main(JpaMain.java:14)Caused by: org.h2.jdbc.JdbcSQLSyntaxErrorException: Cannot drop "CATEGORY" because "FKJIP0OR3VEMIXCCL6VX0KLUJ03" depends on it; SQL statement: drop table Category if e [90107-214] at org.h2.message.DbException.getJdbcSQLException(DbException.java:632) at org.h2.message.DbException.getJdbcSQLException(DbException.java:477) at org.h2.message.DbException.get(DbException.java:223) at org.h2.command.ddl.DropTable.prepareDrop(DropTable.java:97) at org.h2.command.ddl.DropTable.update(DropTable.java:121) at org.h2.command.CommandContainer.update(CommandContainer.java:169) at org.h2.command.Command.executeUpdate(Command.java:252) at org.h2.server.TcpServerThread.process(TcpServerThread.java:408) at org.h2.server.TcpServerThread.run(TcpServerThread.java:191) at java.base/java.lang.Thread.run(Thread.java:834) 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 more8월 08, 2023 10:39:57 오후 org.hibernate.tool.schema.internal.ExceptionHandlerLoggedImpl handleExceptionWARN: GenerationTarget encountered exception accepting command : Error executing DDL " drop table Delivery if exists" via JDBC Statementorg.hibernate.tool.schema.spi.CommandAcceptanceException: Error executing DDL " drop table Delivery 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 jpabook.jpashop.JpaMain.main(JpaMain.java:14)Caused by: org.h2.jdbc.JdbcSQLSyntaxErrorException: Cannot drop "DELIVERY" because "FKDBS21F1YI0COXY9Y0KXW4G9JF" depends on it; SQL statement: drop table Delivery if e [90107-214] at org.h2.message.DbException.getJdbcSQLException(DbException.java:632) at org.h2.message.DbException.getJdbcSQLException(DbException.java:477) at org.h2.message.DbException.get(DbException.java:223) at org.h2.command.ddl.DropTable.prepareDrop(DropTable.java:97) at org.h2.command.ddl.DropTable.update(DropTable.java:121) at org.h2.command.CommandContainer.update(CommandContainer.java:169) at org.h2.command.Command.executeUpdate(Command.java:252) at org.h2.server.TcpServerThread.process(TcpServerThread.java:408) at org.h2.server.TcpServerThread.run(TcpServerThread.java:191) at java.base/java.lang.Thread.run(Thread.java:834) 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 more8월 08, 2023 10:39:57 오후 org.hibernate.tool.schema.internal.ExceptionHandlerLoggedImpl handleExceptionWARN: GenerationTarget encountered exception accepting command : Error executing DDL " drop table Item if exists" via JDBC Statementorg.hibernate.tool.schema.spi.CommandAcceptanceException: Error executing DDL " drop table Item 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 jpabook.jpashop.JpaMain.main(JpaMain.java:14)Caused by: org.h2.jdbc.JdbcSQLSyntaxErrorException: Cannot drop "ITEM" because "FK75MRPPRV8OIGH00Y92TIBW7ID, FK2SRBE8WJBANR4VTKRSB8ATQ7O, FKQQWSWM36Y8UQOH9EMTORUOXCV, FKABGE9EQALSPCEJIJ53RAT7PJH" depends on it; SQL statement: drop table Item if e [90107-214] at org.h2.message.DbException.getJdbcSQLException(DbException.java:632) at org.h2.message.DbException.getJdbcSQLException(DbException.java:477) at org.h2.message.DbException.get(DbException.java:223) at org.h2.command.ddl.DropTable.prepareDrop(DropTable.java:97) at org.h2.command.ddl.DropTable.update(DropTable.java:121) at org.h2.command.CommandContainer.update(CommandContainer.java:169) at org.h2.command.Command.executeUpdate(Command.java:252) at org.h2.server.TcpServerThread.process(TcpServerThread.java:408) at org.h2.server.TcpServerThread.run(TcpServerThread.java:191) at java.base/java.lang.Thread.run(Thread.java:834) 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 more8월 08, 2023 10:39:57 오후 org.hibernate.tool.schema.internal.ExceptionHandlerLoggedImpl handleExceptionWARN: GenerationTarget encountered exception accepting command : Error executing DDL " drop table Member if exists" via JDBC Statementorg.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 jpabook.jpashop.JpaMain.main(JpaMain.java:14)Caused by: org.h2.jdbc.JdbcSQLSyntaxErrorException: Cannot drop "MEMBER" because "FKH0DB7KQR88ED8HQTCQW3JKCIA" depends on it; SQL statement: drop table Member if e [90107-214] at org.h2.message.DbException.getJdbcSQLException(DbException.java:632) at org.h2.message.DbException.getJdbcSQLException(DbException.java:477) at org.h2.message.DbException.get(DbException.java:223) at org.h2.command.ddl.DropTable.prepareDrop(DropTable.java:97) at org.h2.command.ddl.DropTable.update(DropTable.java:121) at org.h2.command.CommandContainer.update(CommandContainer.java:169) at org.h2.command.Command.executeUpdate(Command.java:252) at org.h2.server.TcpServerThread.process(TcpServerThread.java:408) at org.h2.server.TcpServerThread.run(TcpServerThread.java:191) at java.base/java.lang.Thread.run(Thread.java:834) 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 more8월 08, 2023 10:39:57 오후 org.hibernate.resource.transaction.backend.jdbc.internal.DdlTransactionIsolatorNonJtaImpl getIsolatedConnectionINFO: HHH10001501: Connection obtained from JdbcConnectionAccess [org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator$ConnectionProviderJdbcConnectionAccess@5c723f2d] 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.8월 08, 2023 10:39:57 오후 org.hibernate.tool.schema.internal.ExceptionHandlerLoggedImpl handleExceptionWARN: GenerationTarget encountered exception accepting command : Error executing DDL " create table Category ( id bigint not null, name varchar(255), PARENT_ID bigint, primary key (id) )" via JDBC Statementorg.hibernate.tool.schema.spi.CommandAcceptanceException: Error executing DDL " create table Category ( id bigint not null, name varchar(255), PARENT_ID bigint, 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 jpabook.jpashop.JpaMain.main(JpaMain.java:14)Caused by: org.h2.jdbc.JdbcSQLSyntaxErrorException: Table "CATEGORY" already exists; SQL statement: create table Category ( id bigint not null, name varchar(255), PARENT_ID bigint, primary key (id) [42101-214] at org.h2.message.DbException.getJdbcSQLException(DbException.java:502) at org.h2.message.DbException.getJdbcSQLException(DbException.java:477) at org.h2.message.DbException.get(DbException.java:223) at org.h2.message.DbException.get(DbException.java:199) at org.h2.command.ddl.CreateTable.update(CreateTable.java:91) at org.h2.command.CommandContainer.update(CommandContainer.java:169) at org.h2.command.Command.executeUpdate(Command.java:252) at org.h2.server.TcpServerThread.process(TcpServerThread.java:408) at org.h2.server.TcpServerThread.run(TcpServerThread.java:191) at java.base/java.lang.Thread.run(Thread.java:834) 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 more8월 08, 2023 10:39:57 오후 org.hibernate.tool.schema.internal.ExceptionHandlerLoggedImpl handleExceptionWARN: GenerationTarget encountered exception accepting command : Error executing DDL " create table Delivery ( id bigint not null, city varchar(255), deliveryStatus integer, street varchar(255), zipcode varchar(255), primary key (id) )" via JDBC Statementorg.hibernate.tool.schema.spi.CommandAcceptanceException: Error executing DDL " create table Delivery ( id bigint not null, city varchar(255), deliveryStatus integer, street varchar(255), zipcode 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 jpabook.jpashop.JpaMain.main(JpaMain.java:14)Caused by: org.h2.jdbc.JdbcSQLSyntaxErrorException: Table "DELIVERY" already exists; SQL statement: create table Delivery ( id bigint not null, city varchar(255), deliveryStatus integer, street varchar(255), zipcode varchar(255), primary key (id) [42101-214] at org.h2.message.DbException.getJdbcSQLException(DbException.java:502) at org.h2.message.DbException.getJdbcSQLException(DbException.java:477) at org.h2.message.DbException.get(DbException.java:223) at org.h2.message.DbException.get(DbException.java:199) at org.h2.command.ddl.CreateTable.update(CreateTable.java:91) at org.h2.command.CommandContainer.update(CommandContainer.java:169) at org.h2.command.Command.executeUpdate(Command.java:252) at org.h2.server.TcpServerThread.process(TcpServerThread.java:408) at org.h2.server.TcpServerThread.run(TcpServerThread.java:191) at java.base/java.lang.Thread.run(Thread.java:834) 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 more8월 08, 2023 10:39:57 오후 org.hibernate.tool.schema.internal.ExceptionHandlerLoggedImpl handleExceptionWARN: GenerationTarget encountered exception accepting command : Error executing DDL " create table Item ( DTYPE varchar(31) not null, ITEM_ID bigint not null, name varchar(255), price integer not null, stockQuantity integer not null, actor varchar(255), director varchar(255), author varchar(255), isbn varchar(255), artist varchar(255), etc varchar(255), primary key (ITEM_ID) )" via JDBC Statementorg.hibernate.tool.schema.spi.CommandAcceptanceException: Error executing DDL " create table Item ( DTYPE varchar(31) not null, ITEM_ID bigint not null, name varchar(255), price integer not null, stockQuantity integer not null, actor varchar(255), director varchar(255), author varchar(255), isbn varchar(255), artist varchar(255), etc varchar(255), primary key (ITEM_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 jpabook.jpashop.JpaMain.main(JpaMain.java:14)Caused by: org.h2.jdbc.JdbcSQLSyntaxErrorException: Table "ITEM" already exists; SQL statement: create table Item ( DTYPE varchar(31) not null, ITEM_ID bigint not null, name varchar(255), price integer not null, stockQuantity integer not null, actor varchar(255), director varchar(255), author varchar(255), isbn varchar(255), artist varchar(255), etc varchar(255), primary key (ITEM_ID) [42101-214] at org.h2.message.DbException.getJdbcSQLException(DbException.java:502) at org.h2.message.DbException.getJdbcSQLException(DbException.java:477) at org.h2.message.DbException.get(DbException.java:223) at org.h2.message.DbException.get(DbException.java:199) at org.h2.command.ddl.CreateTable.update(CreateTable.java:91) at org.h2.command.CommandContainer.update(CommandContainer.java:169) at org.h2.command.Command.executeUpdate(Command.java:252) at org.h2.server.TcpServerThread.process(TcpServerThread.java:408) at org.h2.server.TcpServerThread.run(TcpServerThread.java:191) at java.base/java.lang.Thread.run(Thread.java:834) 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 more8월 08, 2023 10:39:57 오후 org.hibernate.tool.schema.internal.ExceptionHandlerLoggedImpl handleExceptionWARN: GenerationTarget encountered exception accepting command : Error executing DDL " create table Member ( MEMBER_ID bigint not null, city varchar(255), name varchar(255), street varchar(255), zipcode varchar(255), primary key (MEMBER_ID) )" via JDBC Statementorg.hibernate.tool.schema.spi.CommandAcceptanceException: Error executing DDL " create table Member ( MEMBER_ID bigint not null, city varchar(255), name varchar(255), street varchar(255), zipcode varchar(255), 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 jpabook.jpashop.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, city varchar(255), name varchar(255), street varchar(255), zipcode varchar(255), primary key (MEMBER_ID) [42101-214] at org.h2.message.DbException.getJdbcSQLException(DbException.java:502) at org.h2.message.DbException.getJdbcSQLException(DbException.java:477) at org.h2.message.DbException.get(DbException.java:223) at org.h2.message.DbException.get(DbException.java:199) at org.h2.command.ddl.CreateTable.update(CreateTable.java:91) at org.h2.command.CommandContainer.update(CommandContainer.java:169) at org.h2.command.Command.executeUpdate(Command.java:252) at org.h2.server.TcpServerThread.process(TcpServerThread.java:408) at org.h2.server.TcpServerThread.run(TcpServerThread.java:191) at java.base/java.lang.Thread.run(Thread.java:834) 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 more8월 08, 2023 10:39:57 오후 org.hibernate.tool.schema.internal.ExceptionHandlerLoggedImpl handleExceptionWARN: GenerationTarget encountered exception accepting command : Error executing DDL " alter table Category add constraint FK8tepc1qkmluodspg6tnliwhit foreign key (PARENT_ID) references Category" via JDBC Statementorg.hibernate.tool.schema.spi.CommandAcceptanceException: Error executing DDL " alter table Category add constraint FK8tepc1qkmluodspg6tnliwhit foreign key (PARENT_ID) references Category" 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 jpabook.jpashop.JpaMain.main(JpaMain.java:14)Caused by: org.h2.jdbc.JdbcSQLSyntaxErrorException: Constraint "FK8TEPC1QKMLUODSPG6TNLIWHIT" already exists; SQL statement: alter table Category add constraint FK8tepc1qkmluodspg6tnliwhit foreign key (PARENT_ID) references Cat [90045-214] at org.h2.message.DbException.getJdbcSQLException(DbException.java:632) at org.h2.message.DbException.getJdbcSQLException(DbException.java:477) at org.h2.message.DbException.get(DbException.java:223) at org.h2.message.DbException.get(DbException.java:199) at org.h2.command.ddl.AlterTableAddConstraint.tryUpdate(AlterTableAddConstraint.java:109) at org.h2.command.ddl.AlterTableAddConstraint.update(AlterTableAddConstraint.java:72) at org.h2.command.ddl.AlterTable.update(AlterTable.java:46) at org.h2.command.CommandContainer.update(CommandContainer.java:169) at org.h2.command.Command.executeUpdate(Command.java:252) at org.h2.server.TcpServerThread.process(TcpServerThread.java:408) at org.h2.server.TcpServerThread.run(TcpServerThread.java:191) at java.base/java.lang.Thread.run(Thread.java:834) 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 moreHibernate: create table Category ( id bigint not null, name varchar(255), PARENT_ID bigint, primary key (id) )Hibernate: create table CATEGORY_ITEM ( CATEGORY_ID bigint not null, ITEM_ID bigint not null )Hibernate: create table Delivery ( id bigint not null, city varchar(255), deliveryStatus integer, street varchar(255), zipcode varchar(255), primary key (id) )Hibernate: create table Item ( DTYPE varchar(31) not null, ITEM_ID bigint not null, name varchar(255), price integer not null, stockQuantity integer not null, actor varchar(255), director varchar(255), author varchar(255), isbn varchar(255), artist varchar(255), etc varchar(255), primary key (ITEM_ID) )Hibernate: create table Member ( MEMBER_ID bigint not null, city varchar(255), name varchar(255), street varchar(255), zipcode varchar(255), primary key (MEMBER_ID) )Hibernate: create table OrderItem ( ORDER_ITEM_ID bigint not null, ITEM_ID bigint, ORDER_ID bigint, primary key (ORDER_ITEM_ID) )Hibernate: create table ORDERS ( ORDER_ID bigint not null, orderDate timestamp, status varchar(255), DELIVERY_ID bigint, MEMBER_ID bigint, primary key (ORDER_ID) )Hibernate: alter table Category add constraint FK8tepc1qkmluodspg6tnliwhit foreign key (PARENT_ID) references CategoryHibernate: alter table CATEGORY_ITEM add constraint FKf1uerpnmn49vl1spbbplgxaun foreign key (ITEM_ID) references ItemHibernate: alter table CATEGORY_ITEM add constraint FKjip0or3vemixccl6vx0kluj03 foreign key (CATEGORY_ID) references CategoryHibernate: alter table OrderItem add constraint FKabge9eqalspcejij53rat7pjh foreign key (ITEM_ID) references ItemHibernate: alter table OrderItem add constraint FKk7lmf97wukpquk6d8blxy5neq foreign key (ORDER_ID) references ORDERSHibernate: alter table ORDERS add constraint FKdbs21f1yi0coxy9y0kxw4g9jf foreign key (DELIVERY_ID) references DeliveryHibernate: alter table ORDERS add constraint FKh0db7kqr88ed8hqtcqw3jkcia foreign key (MEMBER_ID) references Member8월 08, 2023 10:39:57 오후 org.hibernate.tool.schema.internal.SchemaCreatorImpl applyImportSourcesINFO: HHH000476: Executing import script 'org.hibernate.tool.schema.internal.exec.ScriptSourceInputNonExistentImpl@30f74e79'Hibernate: call next value for hibernate_sequenceHibernate: /* insert jpabook.jpashop.domain.Book */ insert into Item (name, price, stockQuantity, author, isbn, DTYPE, ITEM_ID) values (?, ?, ?, ?, ?, 'Book', ?)8월 08, 2023 10:39:57 오후 org.hibernate.engine.jdbc.spi.SqlExceptionHelper logExceptionsWARN: SQL Error: 23505, SQLState: 235058월 08, 2023 10:39:57 오후 org.hibernate.engine.jdbc.spi.SqlExceptionHelper logExceptionsERROR: Unique index or primary key violation: "PRIMARY KEY ON PUBLIC.ITEM(ITEM_ID) ( /* key:1 */ 'Book', CAST(1 AS BIGINT), 'dd', 0, 0, NULL, NULL, 'abc', NULL, NULL, NULL)"; SQL statement:/* insert jpabook.jpashop.domain.Book */ insert into Item (name, price, stockQuantity, author, isbn, DTYPE, I [23505-200]8월 08, 2023 10:39:57 오후 org.hibernate.internal.ExceptionMapperStandardImpl mapManagedFlushFailureERROR: HHH000346: Error during managed flush [org.hibernate.exception.ConstraintViolationException: could not execute statement]8월 08, 2023 10:39:57 오후 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl stopINFO: HHH10001008: Cleaning up connection pool [jdbc:h2:tcp://localhost/~/jpashop]Process finished with exit code 0 

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]해당 강의 52초 경에 MemberService.java클래스에서 private final MemberRepository memberRepository; public MemberService(MemberRepository memberRepository) { this.memberRepository = memberRepository; }//어노테이션은 지웠습니다.이부분에서 public MemberService(MemberRepository memberRepository) 이 괄호안에 매개변수가 MemoryMemberRepository가 되어야 하는게 아닌가요? 제가 저기를 MemoryMemberRepository로 진행을 하고 있더라구요. 그래서 에러가 떳었는데 왜 MemberRepository인지 궁금합니다.

int a[3];cout << sizeof(a) <<endl; cout << sizeof(a[3]) <<endl;이 둘의 출력결과가 다른이유는 무엇인가요??