인프런 영문 브랜드 로고
인프런 영문 브랜드 로고

인프런 커뮤니티 질문&답변

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자바 ORM 표준 JPA 프로그래밍 - 기본편

영속성 컨텍스트 2

현재 오류 질문드립니다 , connect error?.

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=========에러 내용입니다=================

1월 03, 2022 4:40:34 오후 org.hibernate.engine.jdbc.spi.SqlExceptionHelper logExceptions

ERROR: Connection is broken: "java.net.SocketTimeoutException: connect timed out: localhost" [90067-199]

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.<init>(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.exception.JDBCConnectionException: Error calling Driver#connect

at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48)

at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42)

at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:113)

at org.hibernate.engine.jdbc.connections.internal.BasicConnectionCreator.convertSqlException(BasicConnectionCreator.java:118)

at org.hibernate.engine.jdbc.connections.internal.DriverConnectionCreator.makeConnection(DriverConnectionCreator.java:41)

at org.hibernate.engine.jdbc.connections.internal.BasicConnectionCreator.createConnection(BasicConnectionCreator.java:58)

at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PooledConnections.addConnections(DriverManagerConnectionProviderImpl.java:363)

at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PooledConnections.<init>(DriverManagerConnectionProviderImpl.java:282)

at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PooledConnections.<init>(DriverManagerConnectionProviderImpl.java:260)

at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PooledConnections$Builder.build(DriverManagerConnectionProviderImpl.java:401)

at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.buildPool(DriverManagerConnectionProviderImpl.java:112)

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: org.h2.jdbc.JdbcSQLNonTransientConnectionException: Connection is broken: "java.net.SocketTimeoutException: connect timed out: localhost" [90067-199]

at org.h2.message.DbException.getJdbcSQLException(DbException.java:617)

at org.h2.message.DbException.getJdbcSQLException(DbException.java:427)

at org.h2.message.DbException.get(DbException.java:194)

at org.h2.engine.SessionRemote.connectServer(SessionRemote.java:435)

at org.h2.engine.SessionRemote.connectEmbeddedOrServer(SessionRemote.java:317)

at org.h2.jdbc.JdbcConnection.<init>(JdbcConnection.java:169)

at org.h2.jdbc.JdbcConnection.<init>(JdbcConnection.java:148)

at org.h2.Driver.connect(Driver.java:69)

at org.hibernate.engine.jdbc.connections.internal.DriverConnectionCreator.makeConnection(DriverConnectionCreator.java:38)

... 29 more

Caused by: java.net.SocketTimeoutException: connect timed out

at java.base/java.net.PlainSocketImpl.waitForConnect(Native Method)

at java.base/java.net.PlainSocketImpl.socketConnect(PlainSocketImpl.java:107)

at java.base/java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:399)

at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:242)

at java.base/java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:224)

at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)

at java.base/java.net.Socket.connect(Socket.java:608)

at org.h2.util.NetUtils.createSocket(NetUtils.java:103)

at org.h2.util.NetUtils.createSocket(NetUtils.java:83)

at org.h2.engine.SessionRemote.initTransfer(SessionRemote.java:115)

at org.h2.engine.SessionRemote.connectServer(SessionRemote.java:431)

... 34 more

 

Process finished with exit code 1

 

===============================

===========현재소스입니다===============

package hellojpa;

import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.EntityTransaction;
import javax.persistence.Persistence;
import java.util.List;

public class JpaMain {
    public static void main(String[] args) {
        EntityManagerFactory emf = Persistence.createEntityManagerFactory("hello");
        EntityManager em = emf.createEntityManager();

        EntityTransaction tx = em.getTransaction();
        tx.begin();


        try {
            //비영속
            Member member = new Member();
            member.setName("HelloJpa");
            member.setId(101L);

            //영속  em.persist하면 db에 바로 날아가는 것이 아니라 영속성 컨텍스트안에 영속성으로 된다
            //현재 1차 캐쉬에 저장되어있다
            System.out.println("=========BEFORE ======");
            em.persist(member);
            System.out.println("========AFTER========");

            //영속성 컨택스트는 한 트랙젝션 단위로 이루어지기에 순간의 찰나에 따라서 변화한다

            Member findMember = em.find(Member.class, 101L);


            tx.commit();
        }catch (Exception e) {
            tx.rollback();
        }finally {
            em.close();
        }

        emf.close();
    }
}

============================

===========메이븐 파일입니다=============

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>jpa-basic</groupId>
    <artifactId>ex1-hello-jpa</artifactId>
    <version>1.0.0</version>
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>11</source>
                    <target>11</target>
                </configuration>
            </plugin>
        </plugins>
    </build>

    <dependencies>
        <dependency>
            <groupId>javax.xml.bind</groupId>
            <artifactId>jaxb-api</artifactId>
            <version>2.3.0</version>
        </dependency>

        <!-- JPA 하이버네이트 -->
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-entitymanager</artifactId>
            <version>5.3.10.Final</version>
        </dependency>
        <!-- H2 데이터베이스 -->
        <dependency>
            <groupId>com.h2database</groupId>
            <artifactId>h2</artifactId>
            <version>1.4.199</version>
        </dependency>


    </dependencies>
    <properties>
        <maven.compiler.source>11</maven.compiler.source>
        <maven.compiler.target>11</maven.compiler.target>
    </properties>
</project>

현재 connect 에러라고 발생하는데 왜 이런지 모르겠습니다. 소스는 동일 한 것같습니다.

JPAjava

답변 1

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코드위버

안녕하세요, kcj3054@naver.com 님. 공식 서포터즈 codesweaver 입니다.
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소켓 타임아웃은, H2 데이터베이스를 실행하지 않고 애플리케이션을 실행할 경우 발생할 수 있습니다.

H2 데이터 베이스가 켜진 상태인지 확인 후 다시 시도해주세요.
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감사합니다.

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