SmsQueueingApplication.java

public class SmsQueueingApplication {
// ...

	@Bean
	public DefaultLockRepository lockRepository(DataSource dataSource) {
		return new DefaultLockRepository(dataSource);
	}

	@Bean
	public JdbcLockRegistry lockRegistry(LockRepository lockRepository) {
		return new JdbcLockRegistry(lockRepository);
	}

	@Bean
	public LockRegistryLeaderInitiator leaderInitiator(LockRegistry lockRegistry) {
		return new LockRegistryLeaderInitiator(lockRegistry);
	}
}