you need to create at least one sheet.
a workbook without sheets is invalid.
Yegor
On Tue, Aug 20, 2013 at 5:52 PM, Dominik Stadler <dominik.stad...@gmx.at>wrote:
> Hi,
>
> I just found that xlsx-files produced by the latest builds of poi cannot be
> opened in my version of Excel any more, anybody else have similar problems
> or is this something related to my local environment?
>
> Even the simplest possible file already is reported corrupt for me, anybody
> seeing this as well? The files can be read fine by POI itself, 3.9 seems to
> still work fine, I am still testing 3.10beta1 to narrow it down...
>
> Workbook workbook = new XSSFWorkbook();
>
> String filename = "C:\\temp\\poi-bug.xlsx";
> FileOutputStream file = new FileOutputStream(filename);
> try {
> workbook.write(file);
> } finally {
> file.close();
> }
>
> Dominik.
>
