java – BeanCreationException:无法确定数据库类型为NONE的嵌
发布时间:2020-12-15 00:35:27 所属栏目:Java 来源:网络整理
导读:我正在尝试运行我的程序,我总是得到这个例外: Caused by: org.springframework.beans.factory.BeanCreationException: Cannot determine embedded database driver class for database type NONE. If you want an embedded database please put a supported
我正在尝试运行我的程序,我总是得到这个例外:
Caused by: org.springframework.beans.factory.BeanCreationException: Cannot determine embedded database driver class for database type NONE. If you want an embedded database please put a supported one on the classpath. at org.springframework.boot.autoconfigure.jdbc.DataSourceProperties.getDriverClassName(DataSourceProperties.java:137) at org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration$NonEmbeddedConfiguration.dataSource(DataSourceAutoConfiguration.java:117) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:162) ... 45 more 我通过gradle导入所有依赖项: buildscript { repositories { mavenCentral() } dependencies { classpath("org.springframework.boot:spring-boot-gradle-plugin:1.2.7.RELEASE") } } apply plugin: 'java' apply plugin: 'eclipse' apply plugin: 'idea' apply plugin: 'spring-boot' jar { baseName = 'flatify-backend-service' version = '0.1.0' } repositories { mavenCentral() } sourceCompatibility = 1.8 targetCompatibility = 1.8 dependencies { compile("org.springframework.boot:spring-boot-starter-web") compile 'org.springframework.boot:spring-boot-starter-data-jpa' compile 'org.hibernate:hibernate-core:4.3.6.Final' compile 'javax.servlet:javax.servlet-api:3.1.0' compile 'org.javassist:javassist:3.15.0-GA' compile 'mysql:mysql-connector-java:5.1.31' compile 'commons-dbcp:commons-dbcp:1.4' testCompile("junit:junit") testCompile("org.springframework:spring-test") } task wrapper(type: Wrapper) { gradleVersion = '2.5' } 正如你所看到的,我正在添加mysql-connector并不是什么应该将驱动程序类添加到我的项目中? 我只添加到最后一个例外,因为所有其他都是由这个引起的. 谢谢 我的Config类: @Configuration @EnableTransactionManagement public class PersistenceJPAConfig { @Bean public LocalContainerEntityManagerFactoryBean entityManagerFactory() { LocalContainerEntityManagerFactoryBean em = new LocalContainerEntityManagerFactoryBean(); em.setDataSource(dataSource()); em.setPackagesToScan(new String[] { "at.flatify.persistance.entity" }); JpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter(); em.setJpaVendorAdapter(vendorAdapter); em.setJpaProperties(additionalProperties()); return em; } @Bean(destroyMethod = "close") public DataSource dataSource() { DriverManagerDataSource dataSource = new DriverManagerDataSource(); dataSource.setDriverClassName("com.mysql.jdbc.Driver"); dataSource.setUrl("jdbc:mysql://localhost:3306/flatify"); dataSource.setUsername("user"); dataSource.setPassword("password"); return dataSource; } @Bean public PlatformTransactionManager transactionManager(EntityManagerFactory emf){ JpaTransactionManager transactionManager = new JpaTransactionManager(); transactionManager.setEntityManagerFactory(emf); return transactionManager; } @Bean public PersistenceExceptionTranslationPostProcessor exceptionTranslation(){ return new PersistenceExceptionTranslationPostProcessor(); } Properties additionalProperties() { Properties properties = new Properties(); properties.setProperty("hibernate.hbm2ddl.auto","create-drop"); properties.setProperty("hibernate.dialect","org.hibernate.dialect.MySQL5Dialect"); return properties; } } 解决方法
Spring启动无法确定要使用的驱动程序.您需要在某处指定以下属性: spring.datasource.driverClassName 您还需要指定其他属性,请查看文档.
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