[英]Migrating from Spring Boot 1.5 to 2, error on multiple data sources
我正在將應用程序從Spring Boot 1.5遷移到2(並希望從Tomcat遷移到Hikari)。 我已經解決了所有編譯錯誤,但是現在遇到了這個錯誤(我刪除了大多數stacktrace,因為我看不到任何重要信息):
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'pexEntityManagerFactory' defined in class path resource [com/xisumavoid/gateway/db/PexDbConfig.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]
[...]
Caused by: org.hibernate.HibernateException: Access to DialectResolutionInfo cannot be null when 'hibernate.dialect' not set
我有2個類充當數據庫配置,因為我的應用程序必須訪問2個數據庫(名為“ primary”和“ pex”)。 PexDbConfig
看起來像這樣:
@Configuration
@EnableTransactionManagement
@EnableJpaRepositories(
entityManagerFactoryRef = "pexEntityManagerFactory",
transactionManagerRef = "pexTransactionManager",
basePackages = { "com.xisumavoid.gateway.db.pex.repositories" }
)
public class PexDbConfig {
@Bean(name = "pexDataSource")
@ConfigurationProperties(prefix = "pex.datasource")
public DataSource dataSource() {
return DataSourceBuilder.create().build();
}
@Bean(name = "pexEntityManagerFactory")
public LocalContainerEntityManagerFactoryBean pexEntityManagerFactory(
EntityManagerFactoryBuilder builder,
@Qualifier("pexDataSource") DataSource dataSource
) {
return builder
.dataSource(dataSource)
.packages("com.xisumavoid.gateway.db.pex.models")
.persistenceUnit("pex")
.build();
}
@Bean(name = "pexTransactionManager")
public PlatformTransactionManager pexTransactionManager(
@Qualifier("pexEntityManagerFactory") EntityManagerFactory
pexEntityManagerFactory
) {
return new JpaTransactionManager(pexEntityManagerFactory);
}
}
很抱歉凌亂的代碼,長類名很難處理。 另外,如果需要的話,以下是相關的配置部分:
## DB - PRIMARY
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.url=jdbc:mysql://localhost:3306/primary
spring.datasource.username=user
spring.datasource.password=password
## DB - PEX
pex.datasource.driver-class-name=com.mysql.jdbc.Driver
pex.datasource.url=jdbc:mysql://localhost:3306/pex
pex.datasource.username=user
pex.datasource.password=password
我該如何解決這個問題,或者甚至更好,有沒有辦法以更簡單的方式做到這一點?
提前致謝!
按照此線程 ,添加
spring.jpa.database-platform=org.hibernate.dialect.MySQL57Dialect
我的application.properties
達到目的。
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