Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured

Question

I am working on a Spring Boot Batch example with MongoDB and I have already started the mongod server.

When I launch my application, I

Answer 1

If you're using Gradle, rebuild Gradle can solve this problem.

Answer 2

It's happening because the @valerio-vaudi said.

Your problem is the dependency of spring batch spring-boot-starter-batch that has a spring-boot-starter-jdbc transitive maven dependency.

But you can resolve it set the primary datasource with your configuration

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

 @Bean
 public JdbcTemplate jdbcTemplate(DataSource dataSource) {
      return new JdbcTemplate(dataSource);
 }

Answer 3

In my case

spring.profiles = production // remove it to fix

in application.properties was the reason

Answer 4

I think when importing modules you have imported another package, Go to modules and remove al of them. After that import modules from the package of the project

Answer 5

I removed an obsolete dependency on mybatis in the pom.xml to get mine running.

Answer 6

Add this annotation in main java file

@EnableAutoConfiguration(exclude=DataSourceAutoConfiguration.class)