자꾸 이런에러가 ㅅ뜨면서 메인메소드에서 오류가 납니다 ㅠㅠㅠ

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/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/bin/java -javaagent:/private/var/folders/60/6x0ccxyd3cv_mmcrc6fz6nmw0000gn/T/AppTranslocation/3B6C37D7-7FDB-4837-9B2D-40AB2936EA24/d/IntelliJ IDEA.app/Contents/lib/idea_rt.jar=55102:/private/var/folders/60/6x0ccxyd3cv_mmcrc6fz6nmw0000gn/T/AppTranslocation/3B6C37D7-7FDB-4837-9B2D-40AB2936EA24/d/IntelliJ IDEA.app/Contents/bin -Dfile.encoding=UTF-8 -classpath /Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/lib/tools.jar:/Users/wiju/eclipse-workspace/Inflearn-JPA/target/classes:/Users/wiju/.m2/repository/org/hibernate/hibernate-entitymanager/5.3.10.Final/hibernate-entitymanager-5.3.10.Final.jar:/Users/wiju/.m2/repository/org/jboss/logging/jboss-logging/3.3.2.Final/jboss-logging-3.3.2.Final.jar:/Users/wiju/.m2/repository/org/hibernate/hibernate-core/5.3.10.Final/hibernate-core-5.3.10.Final.jar:/Users/wiju/.m2/repository/org/javassist/javassist/3.23.2-GA/javassist-3.23.2-GA.jar:/Users/wiju/.m2/repository/antlr/antlr/2.7.7/antlr-2.7.7.jar:/Users/wiju/.m2/repository/org/jboss/jandex/2.0.5.Final/jandex-2.0.5.Final.jar:/Users/wiju/.m2/repository/com/fasterxml/classmate/1.3.4/classmate-1.3.4.jar:/Users/wiju/.m2/repository/javax/activation/javax.activation-api/1.2.0/javax.activation-api-1.2.0.jar:/Users/wiju/.m2/repository/org/dom4j/dom4j/2.1.1/dom4j-2.1.1.jar:/Users/wiju/.m2/repository/org/hibernate/common/hibernate-commons-annotations/5.0.4.Final/hibernate-commons-annotations-5.0.4.Final.jar:/Users/wiju/.m2/repository/javax/persistence/javax.persistence-api/2.2/javax.persistence-api-2.2.jar:/Users/wiju/.m2/repository/net/bytebuddy/byte-buddy/1.9.5/byte-buddy-1.9.5.jar:/Users/wiju/.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 hellojpa.JpaMain Dec 22, 2020 3:11:53 PM org.hibernate.jpa.internal.util.LogHelper logPersistenceUnitInformation INFO: HHH000204: Processing PersistenceUnitInfo [ name: hello ...] Dec 22, 2020 3:11:54 PM org.hibernate.Version logVersion INFO: HHH000412: Hibernate Core {5.3.10.Final} Dec 22, 2020 3:11:54 PM org.hibernate.cfg.Environment INFO: HHH000206: hibernate.properties not found Dec 22, 2020 3:11:54 PM org.hibernate.annotations.common.reflection.java.JavaReflectionManager INFO: HCANN000001: Hibernate Commons Annotations {5.0.4.Final} Dec 22, 2020 3:11:54 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure WARN: HHH10001002: Using Hibernate built-in connection pool (not for production use!) Exception in thread "main" org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment] at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:275) at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:237) at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214) at org.hibernate.id.factory.internal.DefaultIdentifierGeneratorFactory.injectServices(DefaultIdentifierGeneratorFactory.java:152) at org.hibernate.service.internal.AbstractServiceRegistryImpl.injectDependencies(AbstractServiceRegistryImpl.java:286) at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:243) at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214) at org.hibernate.boot.internal.InFlightMetadataCollectorImpl.(InFlightMetadataCollectorImpl.java:179) at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete(MetadataBuildingProcess.java:119) at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.metadata(EntityManagerFactoryBuilderImpl.java:904) at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:935) 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:11) Caused by: org.hibernate.boot.registry.classloading.spi.ClassLoadingException: Unable to load class [com.mysql.jdbc.Driver] at org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl.classForName(ClassLoaderServiceImpl.java:354) at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.loadDriverIfPossible(DriverManagerConnectionProviderImpl.java:163) at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.buildCreator(DriverManagerConnectionProviderImpl.java:119) at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.buildPool(DriverManagerConnectionProviderImpl.java:103) at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.configure(DriverManagerConnectionProviderImpl.java:75) at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:100) at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:246) at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214) at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.buildJdbcConnectionAccess(JdbcEnvironmentInitiator.java:145) at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:66) at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:35) at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.initiateService(StandardServiceRegistryImpl.java:94) at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:263) ... 14 more Caused by: java.lang.ClassNotFoundException: Could not load requested class : com.mysql.jdbc.Driver at org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl$AggregatedClassLoader.findClass(ClassLoaderServiceImpl.java:342) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:348) at org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl.classForName(ClassLoaderServiceImpl.java:351) ... 26 more Process finished with exit code 1

김영한 · Answer

안녕하세요. 동현님 오류 메시지를 보니까 다음과 같이 되어 있네요. Caused by: java.lang.ClassNotFoundException: Could not load requested class : com.mysql.jdbc.Driver 강의에서는 H2 데이터베이스를 사용해주세요. 감사합니다.