spring boot autoconfiguration with jdbc template autowiring dataSource issue

Question

I\'m new to Spring and to J2EE in general. I\'m having trouble using JDBC template with Spring Boot autoconfiguration.

What I did was I took the example of RESTful w

Answer 1

The simplest way to configure a DataSource in Spring Boot is to create an application.properties file under src/main/resources with the following content (may need to update it with correct url, username and password):

spring.datasource.url=jdbc:mysql://localhost/:3306/databasename
spring.datasource.username=root
spring.datasource.password=password
spring.datasource.driver-class-name=com.mysql.jdbc.Driver

Spring Boot will automatically create the DataSource class for you and inject it to other beans. As a result of that, you won't need the xml config file anymore and may get rid of this line in the Application class:

@ImportResource("classpath:spring/application-config.xml")

Also, in the UserDAOImpl Spring can autowire the JdbcTemplate object using the DataSource bean (http://docs.spring.io/spring-boot/docs/current/reference/html/boot-features-sql.html#boot-features-using-jdbc-template) so you don't need to create one each time the insert() method is called.

As for the init() method in UserDAOImpl, you could create a schema.sql file under src/main/resources and move the CREATE TABLE statement there (for more details see http://docs.spring.io/spring-boot/docs/1.2.0.RELEASE/reference/htmlsingle/#howto-intialize-a-database-using-spring-jdbc)

See this example for more information: http://xantorohara.blogspot.ca/2013/11/spring-boot-jdbc-sample.html