This section answers questions that arise from using Spring Batch with Spring Boot.
By default, batch applications require a
For more about Spring Batch, see the Spring Batch project page.
Spring Batch auto-configuration is enabled by adding
@EnableBatchProcessing (from Spring Batch) somewhere in your context.
By default, it executes all
Jobs in the application context on startup (see JobLauncherCommandLineRunner for details).
You can narrow down to a specific job or jobs by specifying
spring.batch.job.names (which takes a comma-separated list of job name patterns).
Specifying job parameters on the command line
Unlike command line option arguments that set properties in the
If the application context includes a
JobRegistry, the jobs in
spring.batch.job.names are looked up in the registry instead of being autowired from the context.
This is a common pattern with more complex systems, where multiple jobs are defined in child contexts and registered centrally.