RE: [xep-support] XEP Genarating pdfs take long time with .Net interface.

From: Krishnan, Navaneetha (nkrishnan@matlensilver.com)
Date: Fri May 21 2004 - 11:53:09 PDT

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    Hi Alexander,

    Thanks for your reply. I suspected that this could be a problem with .Net.

    So creted a simple asp page which creates pdf from xml and xsl.

    When i tried to run it with WAS to load test it fails after few minutes. Initially it creates pdf for every three scond after 3 minutes it takes 15-20 secs and after a minute it throws the error.

    I have the code and the error message too. Any help will be appreciated.

    CODE : I did not include the code for function SaveBinaryDataTextStream

            Dim XEP
        Set xep = CreateObject("XEP.XEPFormatter")
        xep.setOutputFormat ("PDF")
        XEP.SetStyleSheetFile Server.MapPath("AssetReport.xsl")

            dt = now()
        objRet = XEP.TransformFile(Server.MapPath("AYA_input.xml"))
        strFileName = Server.MapPath(".") & "\MLReport-" & formatdatetime(dt,1) & "-" & Replace(formatdatetime(dt,3), ":", "-") & ".pdf"

            SaveBinaryDataTextStream strFileName,objRet

            Response.write "Created PDF File : " & strFileName
            set xep = nothing

    ERROR:
    Error Type:
    method setStylesheetFile() in XEP.IXEPFormatter (0x80004005)
    Can't set stylesheet
    /xslfopetest/createXEPpdf.asp, line 5

    Thanks

    Nav

    -----Original Message-----
    From: Alexander Peshkov [mailto:peshkov@renderx.com]
    Sent: Friday, May 21, 2004 4:33 AM
    To: Krishnan, Navaneetha
    Subject: Re: [xep-support] XEP Genarating pdfs take long time with .Net
    interface.

    Hello Nav,

    As Nikolai has admitted in his recent post: http://xep.xattic.com/lists/xep-support/2045.html
    performance of XEP.Net is lower than of its Java counterpart, because
    of .Net version is a port of Java one it's efficiency is lower.
    As for the problems with COM wrapper - judging on the symptoms you
    describe it's a typical memory leak. We believe that our COM
    wrapper does not have such leaks itself (it was thoroughly tested in
    this respect) thus I suppose that the source of the problem may be in
    your code or it maybe a case of .Net-COM inter-operability issue. It
    definitely looks like XEP COM wrapper instances are not released by .Net.

    Best regards,
    Alexander Peshkov mailto:peshkov@renderx.com
    RenderX

    KN> Hi ,

    KN> Generating PDF with the .Net library takes a long time compared to the Java version.

    KN> If we use the COM library provided by XEP it is faster than the .Net version. But on a server it gets slower and slower and fails after a while saying cannot set stylesheet.

    KN> Any alternate or workaround to this problem.

    KN> Thanks in advance

    KN> -Nav

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