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Rohan_Garg
Community Advisor
Rohan_GargCommunity Advisor
Community Advisor
May 17, 2023
Solved

PDF File could not be generated - AEM Guides - DITA Implementation

  • May 17, 2023
  • 2 replies
  • 2668 views

Hi AEM Community,

 

I am new to Guides and currently doing a POC on setting up simple DITA implementation wherein we generate a PDF using DITA Template.

 

I have installed AEM Guides 4.2 from the software distribution and got access to the Guides in Navigation.

I have created a new folder "Test PDF Template" under dita-templates/pdf where we had 3 folders (Basic, Hi-Tech and Prime) already created.
I added 2 DITA Topics and 1 Dita Map as shown below - 

 

When I try to output this folder/template to PDF Preset, I get the error "PDF Generation Failed" with below logs - 

 

[fop] [ERROR] Anttask - Error rendering fo file: D:\Project\AEM_Author\crx-quickstart\profiles\ditamaps\ditamap16299010202468616354\temp\temp20230517200714751\topic.fo <org.apache.fop.apps.FOPException: net.sf.saxon.trans.XPathException: org.apache.fop.fo.ValidationException: "fo:flow" is missing child elements. Required content model: marker* (%block;)+ (See position 1:-1)
[fop] net.sf.saxon.trans.XPathException: org.apache.fop.fo.ValidationException: "fo:flow" is missing child elements. Required content model: marker* (%block;)+ (See position 1:-1)>org.apache.fop.apps.FOPException: net.sf.saxon.trans.XPathException: org.apache.fop.fo.ValidationException: "fo:flow" is missing child elements. Required content model: marker* (%block;)+ (See position 1:-1)
[fop] net.sf.saxon.trans.XPathException: org.apache.fop.fo.ValidationException: "fo:flow" is missing child elements. Required content model: marker* (%block;)+ (See position 1:-1)

BUILD FAILED
D:\Project\AEM_Author\crx-quickstart\profiles\ditaot--b1aad0a7-9079-e56c-1ed8-6fcababe8166\DITA-OT\plugins\org.dita.base\build.xml:31: The following error occurred while executing this line:
D:\Project\AEM_Author\crx-quickstart\profiles\ditaot--b1aad0a7-9079-e56c-1ed8-6fcababe8166\DITA-OT\plugins\org.dita.pdf2\build.xml:151: The following error occurred while executing this line:
D:\Project\AEM_Author\crx-quickstart\profiles\ditaot--b1aad0a7-9079-e56c-1ed8-6fcababe8166\DITA-OT\plugins\org.dita.pdf2.fop\build_fop.xml:156: [PDFX013F][FATAL] The PDF file 'build-Dummy-Map/Dummy-Map.pdf' could not be generated.

 

Can someone help what is wrong in the above approach?

@frameexpert, @divrajsingh, @vivekkumar, @punagpal, @kautuk_sahni 

 

Thanks,

Rohan Garg

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Best answer by Rohan_Garg

Hi Frank, 

 

Thanks for the prompt reply! Please find the map file in Author mode as requested.

The folder has 2 topic files (Dummy Topic and RG) and 1 map file (Test Dita Map)

 

 

There is no broken DITA syntax as that is usually highlighted in red with the editor.

Previously, the DITA map file only had title and no reference to the DITA topics which gave error in processing the DITA map file.
Is having reference to DITA topic mandatory for DITA map to process the PDF?

 

Once the DITA map file was updated to have reference to the 2 topic files, the issue got fixed!

 

Thanks,

Rohan

2 replies

FrankRalf
FrankRalf
Level 2
May 17, 2023

Hi Rohan,

That could be a broken DITA file. Can you open the map and topics in Author or Preview view? If so, the files should be ok and the fault lies probably with the PDF generation. If not, check your files for broken DITA syntax.

Hope that helps.

Frank

    Rohan_Garg
    Community Advisor
    Rohan_GargCommunity AdvisorAuthorAccepted solution
    Community Advisor
    May 18, 2023

    Hi Frank, 

     

    Thanks for the prompt reply! Please find the map file in Author mode as requested.

    The folder has 2 topic files (Dummy Topic and RG) and 1 map file (Test Dita Map)

     

     

    There is no broken DITA syntax as that is usually highlighted in red with the editor.

    Previously, the DITA map file only had title and no reference to the DITA topics which gave error in processing the DITA map file.
    Is having reference to DITA topic mandatory for DITA map to process the PDF?

     

    Once the DITA map file was updated to have reference to the 2 topic files, the issue got fixed!

     

    Thanks,

    Rohan

      FrankRalf
      FrankRalf
      Level 2
      May 22, 2023

      Hi Rohan,

      Great that you could fix this. A DITA map provides the structure of a DITA document whereas the DITA topics contain the actual content. A map without any referenced topic is basically an empty document from which you cannot create a PDF output.

      Best regards,

      Frank

       

       

        V
        Adobe Employee
        VivekKumarAdobe Employee
        Adobe Employee
        May 17, 2023

        Can you also share the screenshot of the preset details (screenshot) that you are generating? Also, a suggestion don't create your dita content under dita-templates folder. Create your content folder parallel to dita-templates and keep your dita files there.

        Rohan_Garg
        Community Advisor
        Rohan_GargCommunity AdvisorAuthor
        Community Advisor
        May 18, 2023

        Hi @vivekkumar,

        Thanks for the response!

        I have not configured any preset settings for the PDF or HTML as such. I am using OTB settings.

        I have also created a copy of the content folder parallel to dita-templates but still getting the same error.

        Is it just a common practice to create the folder parallel to dita template or any other particular reason?

        V
        Adobe Employee
        VivekKumarAdobe Employee
        Adobe Employee
        May 18, 2023

        Just a good practice to not create topics and maps inside dita-templates folder, nothing else.

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