@EnableTransactionManagement in Spring Boot

Question

Is @EnableTransactionManagement required in Spring Boot? I did some research. Some folks say you don\'t need it, as Spring Boot has it already enabled, others s

Answer 1

Little old post but the answers given previously were not straight forward when I was searching for it.

@EnableTransactionManagement is optional in Spring boot, provided that spring-data* or spring-tx are found in classpath. How it works? As below:

Spring boot adds a spring-boot-autoconfigure.jar in the classpath. Go to the META-INF's spring.factories file and you can see org.springframework.boot.autoconfigure.transaction.TransactionAutoConfiguration entry there. This initializes the transaction auto configuration for you.

Note that the class has following lines: (snippet)

@Configuration
@ConditionalOnClass({PlatformTransactionManager.class})
@AutoConfigureAfter({JtaAutoConfiguration.class, HibernateJpaAutoConfiguration.class, DataSourceTransactionManagerAutoConfiguration.class, Neo4jDataAutoConfiguration.class})
@EnableConfigurationProperties({TransactionProperties.class})
public class TransactionAutoConfiguration {
..
}

Have a look at TransactionAutoConfiguration to see that it enables transaction support if the PlatformTransactionManager is available in classpath. EnableTransactionManagementConfiguration is also configured there.