Flatfileitemreader Articles

How to Bulk Import CSV in Spring Batch - Chunk Processing with FlatFileItemReader and BeanWrapperFieldSetMapper

Explains how to ingest CSV files with hundreds of thousands of rows using Spring Batch's FlatFileItemReader and BeanWrapperFieldSetMapper as Chunk processing. Covers handling invalid rows with skip/retry and passing file paths via JobParameters, with real code examples.

2026-09-30