176만명의 커뮤니티!! 함께 토론해봐요.
미해결
핵심만 빠르게, 입문자를 위한 파이썬(Python)과 판다스(Pandas)
안녕하세요, 먼저 좋은 강의 제공해주셔서 감사합니다. 쥬피터 노트북에서 마크다운으로 빈 줄을 만들려고 아무것도 입력하지 않고 셀을 실행하면 Type Markdown and LaTeX: 𝛼2 라는 메시지가 계속 자동입력되어 뜹니다. 구글링해보니 한 칸을 띄고 실행하거나 <br>을 입력하면 저런 메시지 없이 깔끔하게 blank line으로 마크다운 입력이 되는 듯 하나 강의자님께서 올려주신 예시파일에는 그런 방법 없이도 마크다운 blank line이 입력되어 있어 어떻게 하신 건지 궁금합니다. 인터넷으로 한참 찾았는데도 방법을 모르겠네요. 감사합니다!
미해결
따라하며 배우는 노드, 리액트 시리즈 - 레딧 사이트 만들기(NextJS)(Pages Router)
엔티티작성 문법같은건 구글링하며 만드는건가요? 구글로 문서같은것 보면서 따라치는건가요? 아니면 이런 문법들도 전부 외워서 사용하는건가요?
미해결
생산성을 향상시키는 스프링부트 기반의 API 템플릿 프로젝트 구현
안녕하세요 강의 잘듣고 있습니다! jojoldu 블로그를 참고해보니 WebMvcConfigurer의 configureMessageConverters()로 MessageConverter를 등록하지 않아도 자동으로 된다고 하는 것 같다고 합니다. 그래서 Test해보니 실제 치환이 되고 있는 것 같아서 혹시 configureMessageConverters()를 추가하신 의도가 있으신 건지, 필요성이 있는지 질문 드립니다!. 감사합니다.
미해결
파이썬 동시성 프로그래밍 : 데이터 수집부터 웹 개발까지 (feat. FastAPI, async, await)
가상환경 pip 명령어 입력시, 가상환경이 아닌 기본 환경의 pip가 실행됩니다. 운영체제 Mac python -m vevn myvenv #가상환경 생성 source .myvenv/bin/activate #가상환경 실행 pip install # 가상환경이 아닌 외부 환경 pip실행 ./bin/pip install #가상환경dir내부의 pip를 직접 명시하면 가상환경 pip실행 어떻게 해야 가상환경이 켜져 있는 상태에서 pip 입력만으로 실행될까요ㅕ?ㅠㅠ
미해결
따라하며 배우는 노드, 리액트 시리즈 - 레딧 사이트 만들기(NextJS)(Pages Router)
class extends 이런것들 사장되었다고 하던데 라이브러리에서 클래스만을 요구하는건지 궁금합니다!!
미해결
Spring Cloud로 개발하는 마이크로서비스 애플리케이션(MSA)
http://localhost:8888/ecommerce/default 에서는 { name : "ecommerce", profiles : [ "default" ], label : null, version : "f45bf692a6cb54252ea12041f0aa92a71964a5f7", state : null, propertySources : [ { name : "file:///C:\\Users\\ydj90\\Downloads\\git/file:C:\Users\ydj90\Downloads\git\ecommerce.yml", source : { token.expiration_time : 864000000, gateway.ip : "172.30.1.33", token.secret : "userToken_token" } } ] } http://localhost:8888/user-service/default 에서는 { name : "user-service", profiles : [ "default" ], label : null, version : "f45bf692a6cb54252ea12041f0aa92a71964a5f7", state : null, propertySources : [ { name : "file:///C:\\Users\\ydj90\\Downloads\\git/file:C:\Users\ydj90\Downloads\git\user-service.yml", source : { spring.datasource.url : "jdbc:h2:mem:testdb", spring.datasource.driver-class-name : "org.h2.Driver", spring.datasource.generate-unique-name : false, token.expiration_time : 864000000, gateway.ip : "172.30.1.33", order_service.url : " http://ORDER-SERVICE/order-service/%s/orders ", spring.datasource.username : "sa", token.secret : "userToken_token" } } ] } 이와 같이 token.secret이 같은데 왜 subject가 null값이 되는지 이유를 알 수 가 없습니다. login하고 나온 header값을 가지고 bearer에 넣어 인증하는 방식이 아닙니까? 이유를 잘 모르겠습니다. JWT token is not valid 이게 왜 뜨는지 subject = Jwts.parser().setSigningKey(env.getProperty("token.secret")) .parseClaimsJws(jwt).getBody() .getSubject(); 여기서 왜 null값으로 값을 반환하는지 이해를 할 수가 없습니다.
미해결
2022-11-12 22:45:42.998 ERROR 107880 --- [ restartedMain] com.zaxxer.hikari.pool.HikariPool : HikariPool-1 - Exception during pool initialization. java.sql.SQLException: Access denied for user 'cos'@' localhost ' (using password: YES) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException( SQLError.java:129 ) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException( SQLExceptionsMapping.java:122 ) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO( ConnectionImpl.java:828 ) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.mysql.cj.jdbc.ConnectionImpl.<init>( ConnectionImpl.java:448 ) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.mysql.cj.jdbc.ConnectionImpl.getInstance( ConnectionImpl.java:241 ) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.mysql.cj.jdbc.NonRegisteringDriver.connect( NonRegisteringDriver.java:198 ) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.zaxxer.hikari.util.DriverDataSource.getConnection( DriverDataSource.java:138 ) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.pool.PoolBase.newConnection( PoolBase.java:364 ) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.pool.PoolBase.newPoolEntry( PoolBase.java:206 ) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.pool.HikariPool.createPoolEntry( HikariPool.java:476 ) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.pool.HikariPool.checkFailFast( HikariPool.java:561 ) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.pool.HikariPool.<init>( HikariPool.java:115 ) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.HikariDataSource.getConnection( HikariDataSource.java:112 ) ~[HikariCP-4.0.3.jar:na] at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection( DatasourceConnectionProviderImpl.java:122 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator$ConnectionProviderJdbcConnectionAccess.obtainConnection( JdbcEnvironmentInitiator.java:181 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService( JdbcEnvironmentInitiator.java:68 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService( JdbcEnvironmentInitiator.java:35 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.initiateService( StandardServiceRegistryImpl.java:101 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService( AbstractServiceRegistryImpl.java:263 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService( AbstractServiceRegistryImpl.java:237 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService( AbstractServiceRegistryImpl.java:214 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.id .factory.internal.DefaultIdentifierGeneratorFactory.injectServices( DefaultIdentifierGeneratorFactory.java:175 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.service.internal.AbstractServiceRegistryImpl.injectDependencies( AbstractServiceRegistryImpl.java:286 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService( AbstractServiceRegistryImpl.java:243 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService( AbstractServiceRegistryImpl.java:214 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.boot.internal.InFlightMetadataCollectorImpl.<init>( InFlightMetadataCollectorImpl.java:173 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete( MetadataBuildingProcess.java:127 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.metadata( EntityManagerFactoryBuilderImpl.java:1460 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build ( EntityManagerFactoryBuilderImpl.java:1494 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory( SpringHibernateJpaPersistenceProvider.java:58 ) ~[spring-orm-5.3.23.jar:5.3.23] at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory( LocalContainerEntityManagerFactoryBean.java:365 ) ~[spring-orm-5.3.23.jar:5.3.23] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory( AbstractEntityManagerFactoryBean.java:409 ) ~[spring-orm-5.3.23.jar:5.3.23] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet( AbstractEntityManagerFactoryBean.java:396 ) ~[spring-orm-5.3.23.jar:5.3.23] at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.afterPropertiesSet( LocalContainerEntityManagerFactoryBean.java:341 ) ~[spring-orm-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support .AbstractAutowireCapableBeanFactory.invokeInitMethods( AbstractAutowireCapableBeanFactory.java:1863 ) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support .AbstractAutowireCapableBeanFactory.initializeBean( AbstractAutowireCapableBeanFactory.java:1800 ) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support .AbstractAutowireCapableBeanFactory.doCreateBean( AbstractAutowireCapableBeanFactory.java:620 ) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support .AbstractAutowireCapableBeanFactory.createBean( AbstractAutowireCapableBeanFactory.java:542 ) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support .AbstractBeanFactory.lambda$doGetBean$0( AbstractBeanFactory.java:335 ) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support .DefaultSingletonBeanRegistry.getSingleton( DefaultSingletonBeanRegistry.java:234 ) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support .AbstractBeanFactory.doGetBean( AbstractBeanFactory.java:333 ) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support .AbstractBeanFactory.getBean( AbstractBeanFactory.java:208 ) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.context.support .AbstractApplicationContext.getBean( AbstractApplicationContext.java:1154 ) ~[spring-context-5.3.23.jar:5.3.23] at org.springframework.context.support .AbstractApplicationContext.finishBeanFactoryInitialization( AbstractApplicationContext.java:908 ) ~[spring-context-5.3.23.jar:5.3.23] at org.springframework.context.support .AbstractApplicationContext.refresh( AbstractApplicationContext.java:583 ) ~[spring-context-5.3.23.jar:5.3.23] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh( ServletWebServerApplicationContext.java:147 ) ~[spring-boot-2.7.5.jar:2.7.5] at org.springframework.boot.SpringApplication.refresh( SpringApplication.java:734 ) ~[spring-boot-2.7.5.jar:2.7.5] at org.springframework.boot.SpringApplication.refreshContext( SpringApplication.java:408 ) ~[spring-boot-2.7.5.jar:2.7.5] at org.springframework.boot.SpringApplication.run ( SpringApplication.java:308 ) ~[spring-boot-2.7.5.jar:2.7.5] at org.springframework.boot.SpringApplication.run ( SpringApplication.java:1306 ) ~[spring-boot-2.7.5.jar:2.7.5] at org.springframework.boot.SpringApplication.run ( SpringApplication.java:1295 ) ~[spring-boot-2.7.5.jar:2.7.5] at com.root.blog .BlogApplication.main( BlogApplication.java:10 ) ~[classes/:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke( NativeMethodAccessorImpl.java:77 ) ~[na:na] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke( DelegatingMethodAccessorImpl.java:43 ) ~[na:na] at java.base/java.lang.reflect.Method.invoke( Method.java:568 ) ~[na:na] at org.springframework.boot.devtools.restart.RestartLauncher.run ( RestartLauncher.java:49 ) ~[spring-boot-devtools-2.7.5.jar:2.7.5] 2022-11-12 22:45:42.999 WARN 107880 --- [ restartedMain] o.h.e.j.e.i.JdbcEnvironmentInitiator : HHH000342: Could not obtain connection to query metadata java.sql.SQLException: Access denied for user 'cos'@' localhost ' (using password: YES) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException( SQLError.java:129 ) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException( SQLExceptionsMapping.java:122 ) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO( ConnectionImpl.java:828 ) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.mysql.cj.jdbc.ConnectionImpl.<init>( ConnectionImpl.java:448 ) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.mysql.cj.jdbc.ConnectionImpl.getInstance( ConnectionImpl.java:241 ) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.mysql.cj.jdbc.NonRegisteringDriver.connect( NonRegisteringDriver.java:198 ) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.zaxxer.hikari.util.DriverDataSource.getConnection( DriverDataSource.java:138 ) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.pool.PoolBase.newConnection( PoolBase.java:364 ) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.pool.PoolBase.newPoolEntry( PoolBase.java:206 ) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.pool.HikariPool.createPoolEntry( HikariPool.java:476 ) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.pool.HikariPool.checkFailFast( HikariPool.java:561 ) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.pool.HikariPool.<init>( HikariPool.java:115 ) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.HikariDataSource.getConnection( HikariDataSource.java:112 ) ~[HikariCP-4.0.3.jar:na] at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection( DatasourceConnectionProviderImpl.java:122 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator$ConnectionProviderJdbcConnectionAccess.obtainConnection( JdbcEnvironmentInitiator.java:181 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService( JdbcEnvironmentInitiator.java:68 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService( JdbcEnvironmentInitiator.java:35 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.initiateService( StandardServiceRegistryImpl.java:101 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService( AbstractServiceRegistryImpl.java:263 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService( AbstractServiceRegistryImpl.java:237 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService( AbstractServiceRegistryImpl.java:214 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.id .factory.internal.DefaultIdentifierGeneratorFactory.injectServices( DefaultIdentifierGeneratorFactory.java:175 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.service.internal.AbstractServiceRegistryImpl.injectDependencies( AbstractServiceRegistryImpl.java:286 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService( AbstractServiceRegistryImpl.java:243 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService( AbstractServiceRegistryImpl.java:214 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.boot.internal.InFlightMetadataCollectorImpl.<init>( InFlightMetadataCollectorImpl.java:173 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete( MetadataBuildingProcess.java:127 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.metadata( EntityManagerFactoryBuilderImpl.java:1460 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build ( EntityManagerFactoryBuilderImpl.java:1494 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory( SpringHibernateJpaPersistenceProvider.java:58 ) ~[spring-orm-5.3.23.jar:5.3.23] at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory( LocalContainerEntityManagerFactoryBean.java:365 ) ~[spring-orm-5.3.23.jar:5.3.23] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory( AbstractEntityManagerFactoryBean.java:409 ) ~[spring-orm-5.3.23.jar:5.3.23] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet( AbstractEntityManagerFactoryBean.java:396 ) ~[spring-orm-5.3.23.jar:5.3.23] at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.afterPropertiesSet( LocalContainerEntityManagerFactoryBean.java:341 ) ~[spring-orm-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support .AbstractAutowireCapableBeanFactory.invokeInitMethods( AbstractAutowireCapableBeanFactory.java:1863 ) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support .AbstractAutowireCapableBeanFactory.initializeBean( AbstractAutowireCapableBeanFactory.java:1800 ) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support .AbstractAutowireCapableBeanFactory.doCreateBean( AbstractAutowireCapableBeanFactory.java:620 ) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support .AbstractAutowireCapableBeanFactory.createBean( AbstractAutowireCapableBeanFactory.java:542 ) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support .AbstractBeanFactory.lambda$doGetBean$0( AbstractBeanFactory.java:335 ) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support .DefaultSingletonBeanRegistry.getSingleton( DefaultSingletonBeanRegistry.java:234 ) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support .AbstractBeanFactory.doGetBean( AbstractBeanFactory.java:333 ) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support .AbstractBeanFactory.getBean( AbstractBeanFactory.java:208 ) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.context.support .AbstractApplicationContext.getBean( AbstractApplicationContext.java:1154 ) ~[spring-context-5.3.23.jar:5.3.23] at org.springframework.context.support .AbstractApplicationContext.finishBeanFactoryInitialization( AbstractApplicationContext.java:908 ) ~[spring-context-5.3.23.jar:5.3.23] at org.springframework.context.support .AbstractApplicationContext.refresh( AbstractApplicationContext.java:583 ) ~[spring-context-5.3.23.jar:5.3.23] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh( ServletWebServerApplicationContext.java:147 ) ~[spring-boot-2.7.5.jar:2.7.5] at org.springframework.boot.SpringApplication.refresh( SpringApplication.java:734 ) ~[spring-boot-2.7.5.jar:2.7.5] at org.springframework.boot.SpringApplication.refreshContext( SpringApplication.java:408 ) ~[spring-boot-2.7.5.jar:2.7.5] at org.springframework.boot.SpringApplication.run ( SpringApplication.java:308 ) ~[spring-boot-2.7.5.jar:2.7.5] at org.springframework.boot.SpringApplication.run ( SpringApplication.java:1306 ) ~[spring-boot-2.7.5.jar:2.7.5] at org.springframework.boot.SpringApplication.run ( SpringApplication.java:1295 ) ~[spring-boot-2.7.5.jar:2.7.5] at com.root.blog .BlogApplication.main( BlogApplication.java:10 ) ~[classes/:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke( NativeMethodAccessorImpl.java:77 ) ~[na:na] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke( DelegatingMethodAccessorImpl.java:43 ) ~[na:na] at java.base/java.lang.reflect.Method.invoke( Method.java:568 ) ~[na:na] at org.springframework.boot.devtools.restart.RestartLauncher.run ( RestartLauncher.java:49 ) ~[spring-boot-devtools-2.7.5.jar:2.7.5] 2022-11-12 22:45:43.002 ERROR 107880 --- [ restartedMain] j.LocalContainerEntityManagerFactoryBean : Failed to initialize JPA EntityManagerFactory: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment] 2022-11-12 22:45:43.003 WARN 107880 --- [ restartedMain] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Invocation of init method failed; nested exception is org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment] 2022-11-12 22:45:43.005 INFO 107880 --- [ restartedMain] o.apache.catalina.core.StandardService : Stopping service [Tomcat] 2022-11-12 22:45:43.014 INFO 107880 --- [ restartedMain] ConditionEvaluationReportLoggingListener : Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled. 2022-11-12 22:45:43.030 ERROR 107880 --- [ restartedMain] o.s.boot.SpringApplication : Application run failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Invocation of init method failed; nested exception is org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment] at org.springframework.beans.factory.support .AbstractAutowireCapableBeanFactory.initializeBean( AbstractAutowireCapableBeanFactory.java:1804 ) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support .AbstractAutowireCapableBeanFactory.doCreateBean( AbstractAutowireCapableBeanFactory.java:620 ) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support .AbstractAutowireCapableBeanFactory.createBean( AbstractAutowireCapableBeanFactory.java:542 ) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support .AbstractBeanFactory.lambda$doGetBean$0( AbstractBeanFactory.java:335 ) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support .DefaultSingletonBeanRegistry.getSingleton( DefaultSingletonBeanRegistry.java:234 ) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support .AbstractBeanFactory.doGetBean( AbstractBeanFactory.java:333 ) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support .AbstractBeanFactory.getBean( AbstractBeanFactory.java:208 ) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.context.support .AbstractApplicationContext.getBean( AbstractApplicationContext.java:1154 ) ~[spring-context-5.3.23.jar:5.3.23] at org.springframework.context.support .AbstractApplicationContext.finishBeanFactoryInitialization( AbstractApplicationContext.java:908 ) ~[spring-context-5.3.23.jar:5.3.23] at org.springframework.context.support .AbstractApplicationContext.refresh( AbstractApplicationContext.java:583 ) ~[spring-context-5.3.23.jar:5.3.23] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh( ServletWebServerApplicationContext.java:147 ) ~[spring-boot-2.7.5.jar:2.7.5] at org.springframework.boot.SpringApplication.refresh( SpringApplication.java:734 ) ~[spring-boot-2.7.5.jar:2.7.5] at org.springframework.boot.SpringApplication.refreshContext( SpringApplication.java:408 ) ~[spring-boot-2.7.5.jar:2.7.5] at org.springframework.boot.SpringApplication.run ( SpringApplication.java:308 ) ~[spring-boot-2.7.5.jar:2.7.5] at org.springframework.boot.SpringApplication.run ( SpringApplication.java:1306 ) ~[spring-boot-2.7.5.jar:2.7.5] at org.springframework.boot.SpringApplication.run ( SpringApplication.java:1295 ) ~[spring-boot-2.7.5.jar:2.7.5] at com.root.blog .BlogApplication.main( BlogApplication.java:10 ) ~[classes/:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke( NativeMethodAccessorImpl.java:77 ) ~[na:na] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke( DelegatingMethodAccessorImpl.java:43 ) ~[na:na] at java.base/java.lang.reflect.Method.invoke( Method.java:568 ) ~[na:na] at org.springframework.boot.devtools.restart.RestartLauncher.run ( RestartLauncher.java:49 ) ~[spring-boot-devtools-2.7.5.jar:2.7.5] Caused by: 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 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService( AbstractServiceRegistryImpl.java:237 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService( AbstractServiceRegistryImpl.java:214 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.id .factory.internal.DefaultIdentifierGeneratorFactory.injectServices( DefaultIdentifierGeneratorFactory.java:175 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.service.internal.AbstractServiceRegistryImpl.injectDependencies( AbstractServiceRegistryImpl.java:286 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService( AbstractServiceRegistryImpl.java:243 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService( AbstractServiceRegistryImpl.java:214 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.boot.internal.InFlightMetadataCollectorImpl.<init>( InFlightMetadataCollectorImpl.java:173 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete( MetadataBuildingProcess.java:127 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.metadata( EntityManagerFactoryBuilderImpl.java:1460 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build ( EntityManagerFactoryBuilderImpl.java:1494 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory( SpringHibernateJpaPersistenceProvider.java:58 ) ~[spring-orm-5.3.23.jar:5.3.23] at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory( LocalContainerEntityManagerFactoryBean.java:365 ) ~[spring-orm-5.3.23.jar:5.3.23] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory( AbstractEntityManagerFactoryBean.java:409 ) ~[spring-orm-5.3.23.jar:5.3.23] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet( AbstractEntityManagerFactoryBean.java:396 ) ~[spring-orm-5.3.23.jar:5.3.23] at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.afterPropertiesSet( LocalContainerEntityManagerFactoryBean.java:341 ) ~[spring-orm-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support .AbstractAutowireCapableBeanFactory.invokeInitMethods( AbstractAutowireCapableBeanFactory.java:1863 ) ~[spring-beans-5.3.23.jar:5.3.23] at org.springframework.beans.factory.support .AbstractAutowireCapableBeanFactory.initializeBean( AbstractAutowireCapableBeanFactory.java:1800 ) ~[spring-beans-5.3.23.jar:5.3.23] ... 21 common frames omitted Caused by: org.hibernate.HibernateException: Access to DialectResolutionInfo cannot be null when 'hibernate.dialect' not set at org.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl.determineDialect( DialectFactoryImpl.java:100 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl.buildDialect( DialectFactoryImpl.java:54 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService( JdbcEnvironmentInitiator.java:138 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService( JdbcEnvironmentInitiator.java:35 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.initiateService( StandardServiceRegistryImpl.java:101 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService( AbstractServiceRegistryImpl.java:263 ) ~[ hibernate-core-5.6.12.Final .jar: 5.6.12.Final ] ... 38 common frames omitted 처음이다보니 console창을 그냥 복붙해버렸네요... 어떻게 해결해야할까요..?
미해결
파이썬 무료 강의 (활용편2) - GUI 프로그래밍 (4시간)
제목 그대로 command = ← 이 위치에 명령 2개를 넣을 수 있나요..?
미해결
설계독학맛비's 실전 FPGA를 이용한 HW 가속기 설계 (LED 제어부터 Fully Connected Layer 가속기 설계까지)
- 강의 내용외의 개인 질문은 받지 않아요 (개별 과제, 고민 상담 등..) - 저 포함, 다른 수강생 분들이 함께보는 공간입니다. 보기좋게 남겨주시면 좋은 QnA 문화가 될 것 같아요. (글쓰기는 현업에서 중요한 능력입니다!) - 학습 관련 질문을 남겨주세요. 상세히 작성하면 더 좋아요! - 먼저 유사한 질문이 있었는지 검색해보세요. - 서로 예의를 지키며 존중하는 문화를 만들어가요. - 잠깐! 인프런 서비스 운영 관련 문의는 1:1 문의하기를 이용해주세요. 전체적인 과정은 이해가 가는데, 여기서 aw_en이 굳이 등장하는 이유를 모르겠습니다. 따로 reg aw_en로 선언하지 않고 기존들만 이용해서도 사용이 가능할 것 같아 보입니다. aw_en의 따로 역할이 있을까요?
미해결
정보보안 전문가란? 무엇을 하고 어떻게 준비해야 할까.
이 강의에 소개하는 공부하는 방법이나 학습과정들이 자동차 디바이스에 들어가는 사이버 보안 분야에도 해당이 되는지 궁금해서 질문드립니다!
미해결
실전! 스프링 부트와 JPA 활용2 - API 개발과 성능 최적화
컬렉션타입이 었었다 라고 하시는데 혹시 컬렉션타입이라는게 @Embeded 와 관련되어 Address 이런 클래스를 일컫는말인가요?
미해결
카프카 완벽 가이드 - 코어편
안녕하세요, 철민님. 철민님의 강의를 처음으로 카프카에 입문한 사람입니다. 너무 질 좋은 강의라 다음에 만든다고 하신 커넥터 강의도 목이 빠지게 기다리고 있습니다!!!! 언제쯤 강의를 출시하실지 궁금합니다!!
미해결
스프링과 JPA 기반 웹 애플리케이션 개발
디버깅도 해보았는데 id는 insert가 되는데 title이 null로 잡힙니다. 코드도 누락된게 없는 것 같은데 혹시 이유가 뭘까요...? 제이쿼리가 잘못된걸까요???? // mysql에서 title에 직접 주입해주면 view가 제대로 반영이 되는데 반대로 view에서 입력하면 db에 들어오지 않습니다.
미해결
[코드팩토리] [초급] Flutter 3.0 앱 개발 - 10개의 프로젝트로 오늘 초보 탈출!
onPressed 에서는 controller 에 접근할때 this 를 사용하지 않았고, onWebViewCreated 에서는 this 를 사용하였는데, onPressed 에서 this 를 사용하지 않아도 작동하는건, 어떤 로직으로 동작하는 것인가요?
미해결
[코드팩토리] [초급] Flutter 3.0 앱 개발 - 10개의 프로젝트로 오늘 초보 탈출!
main() -> MyAll 클래스 -> HomeScreen 클래스 구조인데 this.controller 가 null 로 고정이 되어있는데 왜 그런것 일까요? main() -> HomeScreen 클래스 이 구조에서는 문제가 없습니다.
미해결
10주완성 C++ 코딩테스트 | 알고리즘 코딩테스트
안녕하세요 암기왕 문제 풀던 중 질문 생겨 올립니다. http://boj.kr/29d55c5363564d86b2acf1f5cdafd6f6 위와 같이 코드를 짰는데 시간 초과가 납니다. 로직은 동일한 것 같은데 어떤 부분에서 시간 초과가 났는지 궁금합니다. scanf 가 시간 측면에서 더 효율적인 건가요?
미해결
[리뉴얼] React로 NodeBird SNS 만들기
배포 강의를 듣다 아래와 같은 궁금한 점이 생겨 질문드리겠습니다. 구글링해보니 aws 프리티어는 월 750시간이 무료더라고요, 그렇다면 프론트, 백 두 서버 중 하나는 한달에 15,000원(?) 정도의 비용이 발생되는 것 같은데, 혹시 해당 비용을 절약할 수 있는 방법이 있을까요? 강의가 끝난 뒤에 추가로 팀 프로젝트를 진행하려고 합니다. 근데 해당 프로젝트 또한 배포하기에는 비용이 부담스러워서 github에만 올려놓으려고 하는데 이러한 방식을 사용하면 회사 입장에서는 프로젝트 경험을 절하시킬수도 있을까요? 바쁘시겠지만 답변해주시면 감사하겠습니다.
미해결
안녕하세요? 몇 칠 전부터 크롬브라우저에서 동영상 재생이 안됩니다. 검은색화면에 로딩중 상태 바 만 뺑글뺑글 돌고 아무리 기다려도 동영상 재생은 안됩니다. 잘 되었는데 몇 칠 전부터 안되는 것 같습니다. 엣지 브라우저에서는 동영상 재생이 잘 됩니다. 확인 부탁 드립니다.
미해결
Vue.js 완벽 가이드 - 실습과 리팩토링으로 배우는 실전 개념
인프런 아이디 : sh2008.lee@samsung.com 인프런 이메일 : sh2008.lee@samsung.com 깃헙 아이디 : lacid00 깃헙 Username : lacid00@naver.com 감사합니다!
미해결
[리뉴얼] Node.js 교과서 - 기본부터 프로젝트 실습까지
깃허브 자료에 lecture 폴더내에 자료들이 없는것 같습니다. lectur 폴더내에 자료들을 ch9.5로 옮기셔서 깃헙에 올리신건지..
