What are the Spring Batch “default” Context Variables?

Question

In the Spring Batch step-scope documentation, there are three unexplained spring-batch context maps: jobParameters, jobExecutionContext, and

Answer 1

See the documentation

JobParameters are parameters passed in when starting the job

The execution contexts are for your use to store whatever you want. Typically, the step execution context will contain information to allow the step to restart (for restartable jobs).

Elements in the step execution context can be promoted to the job execution context if you want to communicate information between steps.