java.lang.IllegalArgumentException

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  • POI regression testing report
    via by Unknown author,
    • java.lang.IllegalArgumentException: The supplied POIFSFileSystem does not contain a BIFF8 'Workbook' entry. Is it really an excel file? Had: [CompObj, 1Table, SummaryInformation, WordDocument, DocumentSummaryInformation, ObjectPool] at o.a.p.hssf.usermodel.HSSFWorkbook.getWorkbookDirEntryName(HSSFWorkbook.java:290)
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