我有以下代码:
@Configuration
public class HibernateConfig {
@Autowired
private DataSourceProperties dataSourceProperties;
@Autowired
private JpaProperties jpaProperties;
@Bean
JpaVendorAdapter jpaVendorAdapter() {
return new HibernateJpaVendorAdapter();
}
@Bean
@Scope(
value = ConfigurableBeanFactory.SCOPE_PROTOTYPE,
proxyMode = ScopedProxyMode.TARGET_CLASS)
public JdbcTemplate jdbcTemplate() {
return new JdbcTemplate(customDataSource(dataSourceProperties));
}
@Bean
public DataSource customDataSource(DataSourceProperties properties) {
final CustomHikariDataSource dataSource = properties.initializeDataSourceBuilder().type(CustomHikariDataSource.class).build();
if (properties.getName() != null) {
dataSource.setPoolName(properties.getName());
}
return dataSource;
}
// @Bean
// LocalContainerEntityManagerFactoryBean entityManagerFactory(
//// DataSource dataSource,
// MultiTenantConnectionProvider multiTenantConnectionProviderImpl,
// CurrentTenantIdentifierResolver currentTenantIdentifierResolverImpl
// ) {
//
// Map<String, Object> jpaPropertiesMap = createJpaPropertiesMap(multiTenantConnectionProviderImpl, currentTenantIdentifierResolverImpl);
//
// LocalContainerEntityManagerFactoryBean factoryBean = new LocalContainerEntityManagerFactoryBean();
//
// factoryBean.setDataSource(customDataSource(dataSourceProperties));
// factoryBean.setPackagesToScan("com.sample.billing*");
// factoryBean.setJpaVendorAdapter(this.jpaVendorAdapter());
// factoryBean.setJpaPropertyMap(jpaPropertiesMap);
//
// return factoryBean;
// }
private Map<String, Object> createJpaPropertiesMap(MultiTenantConnectionProvider multiTenantConnectionProviderImpl,
CurrentTenantIdentifierResolver currentTenantIdentifierResolverImpl) {
Map<String, Object> jpaPropertiesMap = new HashMap<>(jpaProperties.getProperties());
jpaPropertiesMap.put(Environment.MULTI_TENANT, MultiTenancyStrategy.SCHEMA);
jpaPropertiesMap.put(Environment.MULTI_TENANT_CONNECTION_PROVIDER, multiTenantConnectionProviderImpl);
jpaPropertiesMap.put(Environment.MULTI_TENANT_IDENTIFIER_RESOLVER, currentTenantIdentifierResolverImpl);
jpaPropertiesMap.put(Environment.FORMAT_SQL, true);
jpaPropertiesMap.put(Environment.SHOW_SQL, true);
return jpaPropertiesMap;
}
}
public class CustomHikariDataSource extends HikariDataSource {
@Override
public Connection getConnection() throws SQLException {
Connection connection = super.getConnection();
connection.setSchema("public");
return connection;
}
}
项目运行良好,但我想根据客户机选择模式。然后,我在前面提供的第一个类中取消对bean的注解:
@Bean
LocalContainerEntityManagerFactoryBean entityManagerFactory(
// DataSource dataSource,
MultiTenantConnectionProvider multiTenantConnectionProviderImpl,
CurrentTenantIdentifierResolver currentTenantIdentifierResolverImpl
) {
Map<String, Object> jpaPropertiesMap = createJpaPropertiesMap(multiTenantConnectionProviderImpl, currentTenantIdentifierResolverImpl);
LocalContainerEntityManagerFactoryBean factoryBean = new LocalContainerEntityManagerFactoryBean();
factoryBean.setDataSource(customDataSource(dataSourceProperties));
factoryBean.setPackagesToScan("com.sample.billing*");
factoryBean.setJpaVendorAdapter(this.jpaVendorAdapter());
factoryBean.setJpaPropertyMap(jpaPropertiesMap);
return factoryBean;
}
在未注解bean的情况下,我得到了提供的错误:
2020-11-24 18:03:24.602 ERROR 31729 --- [ scheduling-1] o.h.engine.jdbc.spi.SqlExceptionHelper : ERROR: relation "account" does not exist
Position: 515
2020-11-24 18:03:24.603 INFO 31729 --- [ scheduling-1] c.m.b.m.c.d.TenantConnectionProvider : Release connection for tenant public
2020-11-24 18:03:24.608 ERROR 31729 --- [ scheduling-1] o.s.s.s.TaskUtils$LoggingErrorHandler : Unexpected error occurred in scheduled task
org.springframework.dao.InvalidDataAccessResourceUsageException: could not extract ResultSet; SQL [n/a]; nested exception is org.hibernate.exception.SQLGrammarException: could not extract ResultSet
at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:259) ~[spring-orm-5.3.1.jar:5.3.1]
at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:233) ~[spring-orm-5.3.1.jar:5.3.1]
这个 SQLGrammarException
出现错误的原因是没有创建模式中的表,但是在没有这个bean的情况下确实会创建表。
这里有什么问题,我该怎么解决?
1条答案
按热度按时间k75qkfdt1#
o、 h.engine.jdbc.spi.sqlexceptionhelper:错误:关系“account”不存在,表帐户不存在。
我不知道这些表是如何在您的逻辑中创建的,但是通常在使用hibernate时,我使用hibernate.hbm2ddl.auto可能的选项:validate | update | create | create drop
也许尝试为此数据源创建它可以解决这个问题?
https://docs.spring.io/spring-boot/docs/1.1.0.m1/reference/html/howto-database-initialization.html