https://bugs.documentfoundation.org/show_bug.cgi?id=51495

Hendy Irawan <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|WORKSFORME                  |---

--- Comment #29 from Hendy Irawan <[email protected]> ---
I spoke too soon. Even 4.4.4.3 still exhibits this problem, however it requires
a more complex, multi-thousand rows (16000 did it in my case) to trigger the
problem.

v4.4.4.3's corruption exhibits this behavior:

1. After saving a problematic workbook as XLSX, reopening the file in LO
4.4.4.3 will seem as there's no problem. But several cells in the workbook are
*emptied silently* ! No warnings. This is a very destructive and dangerous
behavior, because can result in (unknowingly) data-loss.

2. After saving a problematic workbook as XLSX, opening the file in Excel 2013
will trigger a warning: "We found a problem with some content in
'application_2015-07-10.xlsx'. Do you want us to try to recover as much as we
can? If you trust the source of this workbook, click Yes."

After clicking Yes, Excel will display the file and lots of cells are emptied.

The diagnostics messages from Excel 2013 are as follows:

Removed Part: /xl/sharedStrings.xml part with XML error.  (Strings) Illegal xml
character. Line 2, column 113479.
Removed Records: Cell information from /xl/worksheets/sheet1.xml part

The XML log is: (same info as human-readable messages above)

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<recoveryLog
xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main";><logFileName>error011640_01.xml</logFileName><summary>Errors
were detected in file
'D:\Downloads\ppdb\applicant_2015-07-10.xlsx'</summary><removedParts
summary="Following is a list of removed parts:"><removedPart>Removed Part:
/xl/sharedStrings.xml part with XML error.  (Strings) Illegal xml character.
Line 2, column 113479.</removedPart></removedParts><removedRecords
summary="Following is a list of removed records:"><removedRecord>Removed
Records: Cell information from /xl/worksheets/sheet1.xml
part</removedRecord></removedRecords></recoveryLog>

Unfortunately my 16000 row file is private, so will need another test case for
v4.4.4.3.

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