Java 如何在Spring Boot 1.4.3中删除到mysql的非活动连接，多数据源

我使用的是SpringBoot1.4.3，我有多个数据源mysql和sqlserver

sqlserver连接是远程的，当我的后端在夜间投入生产时，我的后端会中断

myserver连接很好，sqlserver连接有问题

我想在非活动时间后断开连接

    @Configuration
    @EnableTransactionManagement
    @EnableJpaRepositories(
        entityManagerFactoryRef = "entityManagerFactory",
        transactionManagerRef = "transactionManager",
        basePackages = { "com.xxxx" }
        )
    public class remoteDBConfig {

    @Bean(name = "dataSourcexxxx")
    @ConfigurationProperties(prefix = "bar.datasource")
    public DataSource dataSource() {
        return DataSourceBuilder.create().build();
    }

    @Bean(name = "entityManagerFactory")
    public LocalContainerEntityManagerFactoryBean
    entityManagerFactory(
            EntityManagerFactoryBuilder builder,
            @Qualifier("dataSourcexxxx") DataSource dataSource
    ) {
        return builder
                .dataSource(dataSource)
                .packages("com.xxxx")
                .persistenceUnit("xxxx")
                .build();
    }

    @Bean(name = "transactionManagerxxx")
    public PlatformTransactionManager transactionManager(
            @Qualifier("entityManagerFactorySiconet") EntityManagerFactory
                    entityManagerFactory
    ) {
        return new JpaTransactionManager(entityManagerFactory);
    }

应用程序属性

bar.datasource.url=jdbc:sqlserver://4354dfgdg.no-ip.org:1433;databaseName=xxxxxx
bar.datasource.username=xxxx
bar.datasource.password=xxxx
bar.datasource.driverClassName= com.microsoft.sqlserver.jdbc.SQLServerDriver
bar.jpa.show-sql=true
bar.jpa.hibernate.dialect=org.hibernate.dialect.SQLServer2012Dialect
bar.jpa.hibernspring.datasource.tomcat.test-while-idle=true

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你试过这个吗？谢谢，我会在晚上等着看是否成功