[Solved] Spring Batch : How to parse a horked CSV file?

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As I said in the comment of the answer your linked, you can use a FlatFileItemReader instead of the ListItemReader and it should work. I used the ListItemReader in order to provide a self-contained example you can run (without the need to upload a csv file, etc). The point of the other question was about how to trim the leading/trailing " before parsing the lines, and the trick was to use a composite item processor as shown in the example.

You don’t need to create a new reader, here is an example of a FlatFileItemReader you can use with the same example:

@Bean
public FlatFileItemReader<String> itemReader() {
    return new FlatFileItemReaderBuilder<String>()
            .name("itemReader")
            .resource(new FileSystemResource("/absolute/path/to/file"))
            .lineMapper(new PassThroughLineMapper())
            .build();
}

Hope this helps.

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solved Spring Batch : How to parse a horked CSV file?