[英]Migrating from Migrate to Spring MVC 4 + Hibernate5
I'm migrating an application from Jersey 1.18, Spring 3, Hibernate 3.6, Maven to a completely new architecture: Spring 4.3 (via Spring Boot), Hibernate 5 and Gradle . 我正在将应用程序从Jersey 1.18,Spring 3,Hibernate 3.6,Maven迁移到全新的体系结构: Spring 4.3 (通过Spring Boot), Hibernate 5和Gradle 。
During the "porting" of the Spring application.xml to a Code-Base configuration, I'm facing the following exception: 在将Spring application.xml “移植”到代码库配置期间,我面临以下异常:
Error creating bean with name 'jpaContext': Unsatisfied dependency ... No qualifying bean found for dependency [java.util.Set] 创建名称为'jpaContext'的bean时出错:依赖关系未满足 ...未找到依赖项的合格Bean [java.util.Set]
Here the long stacktrace 这是长堆栈跟踪
2017-03-13 19:44:42.814 WARN 40010 --- [ main] ationConfigEmbeddedWebApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'jpaContext': Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean found for dependency [java.util.Set<javax.persistence.EntityManager>]: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {}
2017-03-13 19:44:42.816 INFO 40010 --- [ main] o.s.j.e.a.AnnotationMBeanExporter : Unregistering JMX-exposed beans on shutdown
2017-03-13 19:44:42.825 INFO 40010 --- [ main] o.apache.catalina.core.StandardService : Stopping service Tomcat
2017-03-13 19:44:42.860 INFO 40010 --- [ main] utoConfigurationReportLoggingInitializer :
Error starting ApplicationContext. To display the auto-configuration report re-run your application with 'debug' enabled.
2017-03-13 19:44:42.995 ERROR 40010 --- [ main] o.s.b.d.LoggingFailureAnalysisReporter :
***************************
APPLICATION FAILED TO START
***************************
Description:
Parameter 0 of constructor in org.springframework.data.jpa.repository.support.DefaultJpaContext required a bean of type 'java.util.Set' that could not be found.
Action:
Consider defining a bean of type 'java.util.Set' in your configuration.
The fact is that I didn't define the DefaultJpaContext in my code: 事实是我没有在代码中定义DefaultJpaContext:
@Configuration
@EnableTransactionManagement
@EnableAspectJAutoProxy(proxyTargetClass = true)
public class DatabaseConfig {
@Autowired private Environment env;
@Autowired private DataSource dataSource;
@Autowired private SessionFactory sessionFactory;
private static final String DB_DRIVER_CLASS_NAME = "com.mysql.jdbc.Driver";
private static final String HIBERNATE_DIALECT = "org.hibernate.dialect.MySQL5Dialect";
private static final String HIBERNATE_VALIDATION = "validate";
private static final String SHOW_SQL = "false";
private static final String ENTITY_PACKAGE = MainEntity.class.getPackage().getName();
final Logger log = LoggerFactory.getLogger(DatabaseConfig.class);
@Bean
public DataSource dataSource() {
final String driverName = env.getProperty("db.driver", DB_DRIVER_CLASS_NAME);
final String url = env.getProperty("db.url");
final String username = env.getProperty("db.username");
final String password = env.getProperty("db.password");
final DriverManagerDataSource dataSource = new DriverManagerDataSource();
if (log.isInfoEnabled()) {
log.info("Database Configuration:");
log.info("Setting driverName to {}", driverName);
log.info("Setting url to {}", url);
log.info("Setting username to {}", username);
if (StringUtils.isEmpty(password)) log.warn("Password not specified");
else log.info("Setting password");
}
dataSource.setDriverClassName(driverName);
dataSource.setUrl(url);
dataSource.setUsername(username);
dataSource.setPassword(password);
return dataSource;
}
@Bean
public LocalSessionFactoryBean sessionFactory(){
LocalSessionFactoryBean sessionFactory = new LocalSessionFactoryBean();
sessionFactory.setDataSource(dataSource);
sessionFactory.setPackagesToScan(new String[] {ENTITY_PACKAGE});
// Hibernate properties
Properties additionalProperties = new Properties();
additionalProperties.put("hibernate.dialect" , env.getProperty("db.dialect" , HIBERNATE_DIALECT));
additionalProperties.put("hibernate.hbm2ddl.auto", env.getProperty("db.validation", HIBERNATE_VALIDATION));
additionalProperties.put("hibernate.show_sql" , env.getProperty("db.sql.show" , SHOW_SQL));
sessionFactory.setHibernateProperties(additionalProperties);
return sessionFactory;
}
@Bean
public HibernateTransactionManager transactionManager(){
HibernateTransactionManager transactionManager = new HibernateTransactionManager();
transactionManager.setSessionFactory(sessionFactory);
return transactionManager;
}
}
Update 更新资料
Here it is a piece of gradle build: 这是一个构建过程:
compile('org.springframework.boot:spring-boot-starter-data-jpa')
// ...
compile('org.springframework.boot:spring-boot-starter-security')
compile('org.springframework.boot:spring-boot-starter-web')
compile group: 'org.hibernate' , name: 'hibernate-core' , version: '5.2.8.Final'
// ...
What I'm missing? 我想念的是什么?
Thanks, Davide. 谢谢戴维。
Based on the spring boot error message, it fails to build the DefaultJpaContext
bean whose constructor requires Set<javax.persistence.EntityManager> entityManagers
. 基于spring boot错误消息,它无法构建其构造函数需要
Set<javax.persistence.EntityManager> entityManagers
的DefaultJpaContext
bean。
Looks like you have Spring-Data
dependency in your pom.xml
(or build.gradle
) which requires the jpa EntityManagerFactory
while you have Hibernate( LocalSessionFactoryBean
) stuff. 看起来您的
pom.xml
(或build.gradle
)中具有Spring-Data
依赖项,而在拥有Hibernate( LocalSessionFactoryBean
)时,这需要jpa EntityManagerFactory
。 Do you have to have DefaultJpaContext
bean? 您是否必须具有
DefaultJpaContext
bean?
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