“Package should contain a content type part [M1.13]”

Question

I am attempting to write to an Excel file however I keep getting the error:

Exception in thread \"main\" org.apache.poi.POIXMLException: org.apache.po

Answer 1

CHECK EXCEL FORMAT .... Firstly I created an sample excel with poi and I changed the columns with mine first attempt it give same error but after few try it successfully read .I wonder why it didn't worked first run :( but If you have right library please check the correct excel format

Answer 2

This may happen when your create your XLS/XLSX file through LibreOffice. Apparently something is lost in the conversion and the file is not the same as a spreadsheet made in Microsoft Office. I had the same error and the solution for me was copying all the work I have done in LibreOffice Calc to a MS Excel spreadsheet and then save a new file.

Answer 3

What you have is version mismatch between your Excel file and workbook you are trying to create. The best way to avoid is: choose Interface implementation.

I built on top of Hitesh Sahu's solution:

import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.usermodel.WorkbookFactory;

Workbook workbook = null;

// parse files from request
MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
MultipartFile multipartDataPointsFile = multipartRequest.getFile("yourFileHere");

try {
    if(multipartDataPointsFile!=null) {
        String originalFileName= multipartDataPointsFile.getOriginalFilename();
        if(originalFileName!=null && originalFileName.length()>0) {
            switch (originalFileName.substring(originalFileName.lastIndexOf(".") + 1,
                    originalFileName.length())) {
                case "xls":
                    try {
                        workbook = WorkbookFactory.create(multipartDataPointsFile.getInputStream());
                    }catch(org.apache.poi.openxml4j.exceptions.InvalidFormatException ie){
                        logger.error("Malformed Excel");
                        throw new IOException();
                    }
                    if(workbook!=null) {
                        // Do something in here
                    }else{
                        logger.error("Could not pass along the workbook");
                        throw new IOException();
                    }
                case "xlsx":
                    try {
                        workbook = WorkbookFactory.create(multipartDataPointsFile.getInputStream());
                    }catch(org.apache.poi.openxml4j.exceptions.InvalidFormatException ie){
                        logger.error("Malformed Excel");
                        throw new IOException();
                    }
                    if(workbook!=null) {
                          // Do something in here
                    }else{
                        logger.error("Could not pass along the workbook");
                        throw new IOException();
                    }
                default:
                    logger.error("File type is not  recognized  Excell type");
                    throw new IOException();
            }

        }else{
            logger.error("Can Not Read File Name");
            throw new IOException();  
        }
    }else{
        logger.error("Did not select a file");
        throw new IOException();
    }
} catch (IOException e) {
    throw new ApplicationErrorException("Can't parse  Excel file");
}

Answer 4

Ok in my case this is how I had it and line3 was throwing this exception:

File xlsxFile = new File( "C:\\myWorkbook.xlsx" );
FileInputStream finXLSX = new FileInputStream( xlsxFile ); //line1

FileOutputStream foutXLSX = new FileOutputStream( xlsxFile ); //line2

XSSFWorkbook workSheet = new XSSFWorkbook( finXLSX ); //line3

But I figured out that line3 wasn't working as I had also opened an output stream on my xlsx file via line2 and then doing line3 was failing. I removed line2 to make it work.

Answer 5

I came across similar issue, finally found that file was having sensitivity --> as confidential, change it to public ..solved my issue. all the best

Answer 6

My excel sheet was encrypted. Deleted the password and it worked.