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Editorial Team
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Asked: 2026-06-16T23:58:10+00:00

I’m working on a project which needs to read an Excel Workbook, calls the

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I’m working on a project which needs to read an Excel Workbook, calls the necessary Web Services, and then takes the response from the webservices and enters that information in to the same Excel Workbook that was read.

Here is the error I’m seeing when trying to write to the Excel Workbook:

Exception in thread "main" org.apache.poi.POIXMLException: java.io.IOException: Can't obtain the input stream from /docProps/app.xml
at org.apache.poi.POIXMLDocument.getProperties(POIXMLDocument.java:141)
at org.apache.poi.POIXMLDocument.write(POIXMLDocument.java:177)
at ext.ExcelProcessor.main(ExcelProcessor.java:197)
Caused by: java.io.IOException: Can't obtain the input stream from /docProps/app.xml
    at org.apache.poi.openxml4j.opc.PackagePart.getInputStream(PackagePart.java:500)
    at org.apache.poi.POIXMLProperties.<init>(POIXMLProperties.java:75)
    at org.apache.poi.POIXMLDocument.getProperties(POIXMLDocument.java:139)
    ... 2 more

Here is my code for the opening of the file/reading:

pkg = OPCPackage.open(xslFile);
    theWorkbook = new XSSFWorkbook(pkg);

After this I read each row and extract each cell value.

Once this is done I’ll create the cells under the headers for Success and Result Message and then do the following:

String sessionData = sessionKey[1];
                String[] cellValCurrRow = rowCellVals.get(r-1);
                String attachmentData[] = WQSServices.uploadAttachment(sessionData, cellValCurrRow);

                XSSFCell cell = xslRows[r].getCell(7);

                if(cell == null)
                {
                    cell = xslRows[r].createCell(7);
                }

                System.out.println("The Cell: "+cell.getStringCellValue());

                XSSFCell cell2 = xslRows[r].getCell(8);

                if(cell2 == null)
                {
                    cell2 = xslRows[r].createCell(8);
                }

                System.out.println("The Cell: "+cell2.getStringCellValue());

                cell.setCellType(Cell.CELL_TYPE_STRING);
                cell2.setCellType(Cell.CELL_TYPE_STRING);
                cell.setCellValue(attachmentData[0]);
                cell2.setCellValue(attachmentData[1]);

                System.out.println("New Cell Data: 1-"+cell.getStringCellValue()+" 2-"+cell2.getStringCellValue());

                FileOutputStream fos = new FileOutputStream(xslFile);
                theWorkbook.write(fos);
                fos.close();

Has anyone ran in to similar issue?

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1 Answer

  1. Editorial Team

    The current issue listed is a bug that has been around since 2010 and can be found @ https://issues.apache.org/bugzilla/show_bug.cgi?id=49940

    In the stackoverflow listing below a workaround was found that if you close and re-open the book again before doing another write out to the file it will work without issue. This isn’t efficient by any means but it does fix the issue until the Apache-POI Dev Team figures out the issue.

    https://stackoverflow.com/a/9792406/1231715

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