Spring Cookbook

Chapter 8. Running Batch Jobs

In this chapter, we will cover the following recipes:

• Installing and configuring Spring Batch
• Creating a job
• Executing a job from the command line
• Executing a job from a controller method
• Using job parameters
• Executing a system command
• Scheduling a job
• Creating a read/process/write step
• Reading an XML file
• Generating a CSV file
• Reading from a database
• Unit testing batch jobs

Introduction

A batch job is a task executed outside the normal web application workflow (receiving an HTTP request and sending back an HTTP response). It can be executed by the web server as a separate process. It can also be launched directly from the command line.

Typically, a batch job either:

• Imports or exports data at a scheduled time. For example, importing ...