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PDF Converter error

  • Apr 15, 2025 11:39 AM UTC
  • 5 replies
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Nintex Partner
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I’m unable to generate the pdf using the smart object - pdf converter.

Error below is from the log:
[2025-04-15 19:35:04][ERR][Host:][App:SourceCode.PdfConverter.Api][CID:][SID:][Path:/api/v1.0/convert][Src:SourceCode.PdfConverter.Api.Middleware.ExceptionHandler]: System.AggregateException: One or more errors occurred. (Load_Error (-200) - ERR_CERT_COMMON_NAME_INVALID)
 ---> System.Exception: Load_Error (-200) - ERR_CERT_COMMON_NAME_INVALID
   at SourceCode.PdfConverter.Api.Converter.CefPdfConverter.LoadPage(ChromiumWebBrowser browser, Action`3 loadAction, String urlOrHtml, String baseUrl)
   at SourceCode.PdfConverter.Api.Converter.CefPdfConverter.GetPdfBytes(Action`3 loadAction, Func`2 readyAction, String urlOrHtml, String baseUrl)
   at SourceCode.PdfConverter.Api.Converter.CefPdfConverter.GetPdfBytesFromUrl(String url, String baseUrl)
   --- End of inner exception stack trace ---
   

 

Best answer by yennyenn

I manage to fix this by generating ssl cert for internal IP(Cert generated from local CA server)

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    5 replies

    Nintex Employee
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    • TinTexNintex Employee
    • Nintex Employee
    • Apr 15, 2025 3:01 PM UTC

    Base on the error, it looks to be a certificate related:

    ERR_CERT_COMMON_NAME_INVALID

    Are you using a self-signed certificate?

    Is the certificate from a trusted certificate authority?

    Does the Common Name/Subject Alternative Names cover the binding/url that you are using to load the SmartForms?

    If you browse to that same URL outside of the K2 server, does your browser indicate any certificate issue?

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    Nintex Partner
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    • yennyennNintex Partner
    • Author
    • Nintex Partner
    • Apr 18, 2025 6:40 AM UTC

    I tried another alternative using Save As PDF. However the pdf output was not ideal and weird. 

    Below is my form:

    This is using K2 5.8. Is this issue related to Fix pack 10? 
     

     

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    Nintex Employee
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    • TinTexNintex Employee
    • Nintex Employee
    • Apr 18, 2025 2:17 PM UTC

    It looks like there were 2 code fixes relating to the PDF Converter functionality.

    I would apply the latest fix pack and retest afterwards.

    Make sure to create a K2 VM snapshot and K2 database backup in case you need to roll back.

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    Nintex Partner
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    • yennyennNintex Partner
    • Author
    • Nintex Partner
    • Apr 22, 2025 5:56 AM UTC

    I’ve downloaded latest Fix Pack 13, however the output of Save as PDF is the same. 

    Below is a simple form created to test it. 

     

    Here’s the output: 

     

    Have tried different theme, it doesnt work as well. 

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    Nintex Partner
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    • yennyennNintex Partner
    • Author
    • Nintex Partner
    • Answer
    • Apr 22, 2025 6:51 AM UTC

    I manage to fix this by generating ssl cert for internal IP(Cert generated from local CA server)

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