Bug 54803

I seem to be running into a bug when I open a XLSX file (created in LibreOffice), add a drawing, and reopen the file.

I've been able to recreate how the bug occurs, and here is a snippet of the code that causes the bug:

FileInputStream file = new FileInputStream("file.xlsx");
XSSFWorkbook workbook = (XSSFWorkbook)WorkbookFactory.create(file);
file.close();
		
XSSFSheet sheet = workbook.getSheetAt(0);
		
XSSFDrawing drawing = sheet.createDrawingPatriarch();
		
FileOutputStream fos = new FileOutputStream("newfile.xlsx");
		
workbook.write(fos);
fos.close();
		
try {
	WorkbookFactory.create(new FileInputStream("newfile.xlsx"));
	System.out.println("Sucessful re-reading");
} catch (Exception e) {
	e.printStackTrace();
	System.out.println("Error re - reading spreadsheet" + e.getMessage());
}

This is the exception that is caught:

org.apache.poi.openxml4j.exceptions.InvalidFormatException: The part /xl/worksheets/_rels/sheet1.xml.rels does not have any content type ! Rule: Package require content types when retrieving a part from a package. [M.1.14]

	at org.apache.poi.openxml4j.opc.ZipPackage.getPartsImpl(ZipPackage.java:224)
	at org.apache.poi.openxml4j.opc.OPCPackage.getParts(OPCPackage.java:662)
	at org.apache.poi.openxml4j.opc.OPCPackage.open(OPCPackage.java:269)
	at org.apache.poi.ss.usermodel.WorkbookFactory.create(WorkbookFactory.java:73)