[CSV-249] ArrayIndexOutOfBoundsException when trying to read record written by CSVPrinter using CSVParser with same format

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Not A Problem
• Affects Version/s: 1.5, 1.6, 1.7
• Fix Version/s: 1.8
• Component/s: Parser
• Assignee: Unassigned
• Reporter: Jelmer Kuperus
• Created: 22/Jul/19 19:45
• Updated: 28/Sep/19 17:10
• Resolved: 28/Sep/19 17:10

Description

The following code will fail with the exception 

Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 1 out of bounds for length 1

import org.apache.commons.csv.*;

import java.io.StringReader;
import java.io.StringWriter;
import java.util.List;

public class Poc {

    public static void main(String[] args) throws Exception {

        CSVFormat csvFormat = CSVFormat.DEFAULT
                .withEscape('\\');

        StringWriter stringWriter = new StringWriter();

        CSVPrinter printer = new CSVPrinter(stringWriter, csvFormat);
        printer.printRecord("foo \\", "bar");

        StringReader stringReader = new StringReader(stringWriter.toString());
        CSVParser parser = new CSVParser(stringReader, csvFormat);
        List<CSVRecord> records = parser.getRecords();

        records.forEach(record -> {
            System.out.println(record.get(0));
            System.out.println(record.get(1));
        });

    }
}

Issue Links

• duplicates: CSV-200 CSVFormat cannot read its own output if input contain escape character followed by quote character