我有一个连接到PostgreSQL数据库的SpringBoot应用程序。即使数据库已关闭,我也想启动服务器,但是continue-on-error=true
不起作用。当我模拟关闭数据库(密码错误)时,即使存储库延迟加载,也会遇到Error creating bean with name 'countryRepository'
错误。
我认为这是由于默认@EnableJpaRepositories。有人知道怎么也懒惰地初始化它吗?
通过添加自定义的,延迟初始化的EntityManagerFactory,EntityManager,TransactionManager,TransactionTemplate实现来解决
application.properties
# Database Properties
spring.datasource.url=jdbc:postgresql://localhost:5432/world-db
spring.datasource.username=world
spring.datasource.password=world123F
spring.datasource.hikari.initializationFailTimeout=0
# Not working...
spring.datasource.continue-on-error=true
spring.datasource.initialization-mode=never
spring.jpa.database-platform=org.hibernate.dialect.PostgreSQL92Dialect
spring.datasource.driver-class-name=org.postgresql.Driver
spring.datasource.hikari.minimum-idle=0
spring.datasource.hikari.initialization-fail-timeout=-1
# Hibernate Properties
spring.jpa.open-in-view=false
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.PostgreSQL92Dialect
spring.jpa.hibernate.ddl-auto=validate
spring.h2.console.enabled=true
AppConfig.java
@Lazy
@Configuration
@ComponentScan(basePackages = "com.flairstech.workshop")
public class AppConfig {
@Bean
public CountryLanguage getCountryLanguage(){
return new CountryLanguage();
}
@Bean
public Country getCountry(){
return new Country();
}
}