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Posted to dev@poi.apache.org by bu...@apache.org on 2016/03/18 15:08:24 UTC

[Bug 59199] New: setting null value to date cell leads to NPE

https://bz.apache.org/bugzilla/show_bug.cgi?id=59199

            Bug ID: 59199
           Summary: setting null value to date cell leads to NPE
           Product: POI
           Version: 3.14-FINAL
          Hardware: PC
            Status: NEW
          Severity: normal
          Priority: P2
         Component: XSSF
          Assignee: dev@poi.apache.org
          Reporter: jupp.strunk@gmx.de

When setting a Date value in a cell and the date is null, a
NullPointerException is thrown.

Example:

  private void createRow(Sheet sheet, Person person) {
        Row row = sheet.createRow(0);
        Cell cell = row.createCell(0);
        cell.setCellValue(person.getBirthdate());
        ...

If person.getBirthdate() is null we get a NPE:

java.lang.NullPointerException
    at java.util.Calendar.setTime(Calendar.java:1770)
    at org.apache.poi.ss.usermodel.DateUtil.getExcelDate(DateUtil.java:76)
    at org.apache.poi.xssf.usermodel.XSSFCell.setCellValue(XSSFCell.java:742)

My workaround is to check for null and in this case set 
       cell.setCellValue((String) null);

However, in my opinion Cell.setCellValue(Date value) should take care of this,
just like Cell.setCellValue(String value)

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[Bug 59199] setting null value to date cell leads to NPE

Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=59199

Dominik Stadler <do...@gmx.at> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 OS|                            |All

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[Bug 59199] setting null value to date cell leads to NPE

Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=59199

Dominik Stadler <do...@gmx.at> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #1 from Dominik Stadler <do...@gmx.at> ---
This has been adjusted via r1736923, passing null to setValue() for Date and
Calendar leads to a CELL_TYPE_BLANK similar to how String and RichtTextString
are handled already.

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