PD4ML v4 Forums PD4ML v3 Archived Forums (Read Only) General questions / FAQ Not generating PDF from HTML in some browser

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  • #26968

    We are using PD4ML to convert an HTML to PDF and it is client facing. Recently we are facing an issue in some browser. The PDF is not being generated. The issue has been fixed when we clear the cache or added trusted sites or enable adobe reader.

    The pattern of the issue is not same in all cases in all browser. As we are using this in client facing we can not ask each client to change their browser setting.

    Any suggestions would be great.

    #29607

    There is a big probability the issue is caused by cache control directives (or a missing of them) in HTTP header you sent with PDF documents.

    PD4ML JSP taglib sends HTTP headers as below. Try the same on your side.

    [language=java:3koaqin3]sr.setContentType(“application/pdf”);
    String disposition = (inline ? “inline” : “attachment”) + “; filename=” + fileName;
    ((HttpServletResponse) sr).setHeader(“Content-disposition”, disposition);
    ((HttpServletResponse) sr).setHeader(“Pragma”, “cache”);
    ((HttpServletResponse) sr).setHeader(“Expires”, “0”);
    ((HttpServletResponse) sr).setHeader(“Cache-control”, “private”);[/language:3koaqin3]

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