如何在SpringMVC中配置JPA？
我试图在我的应用程序中实现jpa 因此，我的数据配置如下所示：如何在SpringMVC中配置JPA？,spring,spring-mvc,spring-data-jpa,Spring,Spring Mvc,Spring Data Jpa,我试图在我的应用程序中实现jpa 因此，我的数据配置如下所示： import org.hibernate.ejb.HibernatePersistence; import org.hibernate.jpa.HibernatePersistenceProvider; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.ComponentScan; im
import org.hibernate.ejb.HibernatePersistence;
import org.hibernate.jpa.HibernatePersistenceProvider;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
import org.springframework.core.env.Environment;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.jdbc.datasource.DriverManagerDataSource;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import javax.annotation.Resource;
import javax.sql.DataSource;
import java.util.Properties;
@Configuration
@EnableTransactionManagement
@ComponentScan("ru.sbrf.risks.services.data")
@PropertySource("classpath:app.properties")
@EnableJpaRepositories("ru.sbrf.risks.services.data.persistence")
public class DataConfig {
private static final String PROP_DATABASE_DRIVER = "db.driver";
private static final String PROP_DATABASE_URL = "db.url";
private static final String PROP_DATABASE_USERNAME = "db.username";
private static final String PROP_HIBERNATE_DIALECT = "db.hibernate.dialect";
private static final String PROP_HIBERNATE_SHOW_SQL = "db.hibernate.show_sql";
private static final String PROP_ENTITYMANAGER_PACKAGES_TO_SCAN = "db.entitymanager.packages.to.scan";
private static final String PROP_HIBERNATE_HBM2DDL_AUTO = "db.hibernate.hbm2ddl.auto";
@Resource
private Environment env;
@Bean
public DataSource dataSource() {
DriverManagerDataSource dataSource = new DriverManagerDataSource();
dataSource.setDriverClassName(env.getRequiredProperty(PROP_DATABASE_DRIVER));
dataSource.setUrl(env.getRequiredProperty(PROP_DATABASE_URL));
dataSource.setUsername(env.getRequiredProperty(PROP_DATABASE_USERNAME));
dataSource.setPassword(env.getRequiredProperty("db.password"));
return dataSource;
}
@Bean
public LocalContainerEntityManagerFactoryBean entityManagerFactory() {
LocalContainerEntityManagerFactoryBean entityManagerFactoryBean = new LocalContainerEntityManagerFactoryBean();
entityManagerFactoryBean.setDataSource(dataSource());
entityManagerFactoryBean.setPersistenceProviderClass(HibernatePersistence.class);
entityManagerFactoryBean.setPackagesToScan(env.getRequiredProperty(PROP_ENTITYMANAGER_PACKAGES_TO_SCAN));
entityManagerFactoryBean.setJpaProperties(getHibernateProperties());
return entityManagerFactoryBean;
}
@Bean
public JpaTransactionManager transactionManager() {
JpaTransactionManager transactionManager = new JpaTransactionManager();
transactionManager.setEntityManagerFactory(entityManagerFactory().getObject());
return transactionManager;
}
private Properties getHibernateProperties() {
Properties properties = new Properties();
properties.put(PROP_HIBERNATE_DIALECT, env.getRequiredProperty(PROP_HIBERNATE_DIALECT));
properties.put(PROP_HIBERNATE_SHOW_SQL, env.getRequiredProperty(PROP_HIBERNATE_SHOW_SQL));
properties.put(PROP_HIBERNATE_HBM2DDL_AUTO, env.getRequiredProperty(PROP_HIBERNATE_HBM2DDL_AUTO));
return properties;
}
}
java.lang.NoClassDefFoundError： org/springframework/orm/jpa/JpaTransactionManager位于 位于的java.lang.Class.getDeclaredMethods0（本机方法） privateGetDeclaredMethods（Class.java:2701）位于 getDeclaredMethods（Class.java:1975）位于 org.springframework.core.type.StandardAnnotationMetadata.getAnnotatedMethods（StandardAnnotationMetadata.java:152） ... 59更多原因：java.lang.ClassNotFoundException： org.springframework.orm.jpa.JpaTransactionManager位于 org.apache.catalina.loader.WebappClassLoaderBase.loadClass（WebappClassLoaderBase.java:1291） 在 org.apache.catalina.loader.WebappClassLoaderBase.loadClass（WebappClassLoaderBase.java:1119） ... 63多 2018年9月26日09:54:35.602严重[RMI TCP连接（3）-127.0.0.1] org.apache.catalina.core.StandardContext.startInternal一个或多个 侦听器无法启动。有关详细信息，请参阅 适当的容器日志文件2018年9月26日09:54:35.603严重[RMI TCP连接（3）-127.0.0.1] org.apache.catalina.core.StandardContext.startInternal Context[] 由于之前的错误，启动失败2018年9月26日09:54:42.439信息 [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory部署web 应用程序目录[C:\java\apache-tomcat-8.5.29\webapps\manager] 2018年9月26日09:54:42.629信息[localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory部署 web应用程序目录 [C:\java\apache-tomcat-8.5.29\webapps\manager]已在[189]中完成 ms 是否有更好的方法将jpa与spri一起使用
#DB properties:
db.driver=com.mysql.jdbc.Driver
db.url=jdbc:mysql://localhost:3306/mydb
db.username=root
db.password=111111
#Hibernate Configuration:
db.hibernate.dialect=org.hibernate.dialect.MySQLDialect
db.hibernate.show_sql=true
db.entitymanager.packages.to.scan=ru.sbrf.risks.services.data
db.hibernate.hbm2ddl.auto = create
<?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>MyApp</groupId>
<artifactId>MyApp</artifactId>
<version>1.0</version>
<packaging>war</packaging>
<properties>
<java.version>1.8</java.version>
<spring.version>4.3.9.RELEASE</spring.version>
<spring.data>2.1.0.RELEASE</spring.data>
<swagger.version>2.7.0</swagger.version>
<hibernate.version>5.3.6.Final</hibernate.version>
</properties>
<dependencies>
<!--SPRING-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- Servlet-->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.0.1</version>
<scope>provided</scope>
</dependency>
<!-- SWAGGER-->
<!--<dependency>-->
<!--<groupId>io.springfox</groupId>-->
<!--<artifactId>springfox-swagger2</artifactId>-->
<!--<version>${swagger.version}</version>-->
<!--</dependency>-->
<!--<dependency>-->
<!--<groupId>io.springfox</groupId>-->
<!--<artifactId>springfox-swagger-ui</artifactId>-->
<!--<version>${swagger.version}</version>-->
<!--</dependency>-->
<!--DATA BASE-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>6.0.6</version>
<scope>runtime</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/org.springframework.data/spring-data-jpa -->
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-jpa</artifactId>
<version>${spring.data}</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>4.3.8.Final</version>
</dependency>
<!--<dependency>-->
<!--<groupId>com.fasterxml.jackson.dataformat</groupId>-->
<!--<artifactId>jackson-dataformat-xml</artifactId>-->
<!--<version>2.9.6</version>-->
<!--</dependency>-->
</dependencies>
<build>
<finalName>MyApp</finalName>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<configuration>
<failOnMissingWebXml>false</failOnMissingWebXml>
</configuration>
</plugin>
</plugins>
</build>
</project>
@Bean
public JpaTransactionManager transactionManager(EntityManagerFactory entityManagerFactory) {
JpaTransactionManager transactionManager = new JpaTransactionManager();
transactionManager.setEntityManagerFactory(entityManagerFactory);
return transactionManager;
}
@Bean
public LocalContainerEntityManagerFactoryBean entityManagerFactory() {
LocalContainerEntityManagerFactoryBean entityManager = new LocalContainerEntityManagerFactoryBean();
entityManager.setDataSource(dataSource());
entityManager.setPackagesToScan("some package(s)");
entityManager.setJpaVendorAdapter(new HibernateJpaVendorAdapter());
entityManager.setJpaProperties(hibernateProperties);
return entityManager;
}
compile group: 'org.springframework', name: 'spring-webmvc', version: SPRING_VERSION
compile group: 'org.springframework.data', name: 'spring-data-jpa', version: SPRING_DATA_VERSION
compile group: 'org.springframework', name: 'spring-orm', version: SPRING_VERSION
compile group: 'mysql', name: 'mysql-connector-java', version: MYSQL_CONNECTOR_VERSION
compile group: 'org.hibernate', name: 'hibernate-core', version: HIBERNATE_VERSION
compile group: 'org.hibernate', name: 'hibernate-entitymanager', version: HIBERNATE_VERSION