You need to provide more source code so that we can help you... Sometimes excel formulates formula results as General/Text and not number. This would be one possible out of several explanations.
> On 9. Jul 2017, at 17:51, Javen O'Neal <one...@apache.org> wrote: > > What version of POI are you using? > > What is handleCell doing with the Cell? Are you trying to read the numeric > value from a cell containing number stored as text? > > Have you taken a look at: > https://poi.apache.org/spreadsheet/quick-guide.html#Getting+the+cell+contents > > > On Jul 9, 2017 5:40 PM, "Hehabr" <heh...@web.de> wrote: > > Apache POI : Problem with Excel updating, > after the new values are written to the cells : > java.lang.IllegalStateException: Cannot get a NUMERIC value from a STRING > cell > > What could be the problem? How to fix it? > > > I work with 5 files, 3 of them work as they should, and 2 others do not. > Workaround for 2 bad files: > Runtime.getRuntime().exec("cmd /c start " + excel.getAbsolutePath()); > > > > // > --------------------------------------------------------------------------- > > // Here: new values are written into the cells > > workbook.getCreationHelper().createFormulaEvaluator().evaluateAll(); > workbook.setForceFormulaRecalculation(true); > > OutputStream output = new FileOutputStream(excel.getAbsolutePath()); > workbook.write(output); > output.flush(); > output.close(); > > // Here, new values are subtracted from the cells, > after Excel resolves with new values > > > // > --------------------------------------------------------------------------- > > // Value in bad Cell: =B24 > > java.lang.IllegalStateException: Cannot get a NUMERIC value from a STRING > cell > at org.apache.poi.xssf.usermodel.XSSFCell.typeMismatch( > XSSFCell.java:1050) > at > org.apache.poi.xssf.usermodel.XSSFCell.getNumericCellValue( > XSSFCell.java:310) > at quicc.excel.api.ExcelHandlerXSSF.handleCell( > ExcelHandlerXSSF.java:275) > at quicc.excel.api.ExcelHandlerXSSF.readCell( > ExcelHandlerXSSF.java:251) > > > > > > -- > View this message in context: http://apache-poi.1045710.n5. > nabble.com/Apache-POI-Problem-with-Excel-updating-tp5728112.html > Sent from the POI - User mailing list archive at Nabble.com. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@poi.apache.org > For additional commands, e-mail: user-h...@poi.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@poi.apache.org For additional commands, e-mail: user-h...@poi.apache.org