Don't read xls file

Posted by: d.sukhanov on 17 January 2021, 7:15 am EST

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    Posted 17 January 2021, 7:15 am EST

    add to maven dependency


    write code

    String dataDir = new File(System.getProperty(“user.dir”)).toString() + File.separator; + FILE_NAME + “.xls”);

    and give exeption after call method open

    Exception in thread “main” java.lang.IllegalArgumentException: java.lang.NullPointerException: entry

    at com.grapecity.documents.excel.n.c.z.a(Unknown Source)

    at com.grapecity.documents.excel.Workbook.a(Unknown Source)

    at Source)

    at Source)

    Can your library support xls files?

  • Posted 17 January 2021, 8:34 pm EST


    Unfortunately, GcExcel doesn’t support opening xls files and currently GcExcel only supports: .csv, .xlsx, .xlsm.



  • Posted 17 January 2021, 10:25 pm EST

    Will you plan to support in the nearest future?

  • Posted 17 January 2021, 11:40 pm EST


    Unfortunately, we don’t have any plans for .xls support yet. However, we are still escalating your issue to our concerned team as an enhancement request.

    Tracking id for your issue is #DOCXLS-3627.

    We will update you as soon as we hear anything from them.



  • Posted 18 January 2021, 5:45 pm EST


    Our developers have confirmed that we don’t have any plans in near future for .xls support.

    We regret the inconvenience.



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