DocumentGeneration: DOCGEN_RUNTIME_ERROR: Failed to send result: Error: unable to verify the first certificate

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App is deployed using AWS ECS.   We are using PDF Document Generation module to generate pdf.   Any idea on how to fix below error?   TRACE - DocumentGeneration: Navigate to page: 3.799sTRACE - DocumentGeneration: Wait for content to load using networkidle0 strategy: 6.611sTRACE - DocumentGeneration: Inject class 'document-generation-body-injected' to body element: 11.252msTRACE - DocumentGeneration: Determine page orientation: 1.308msTRACE - DocumentGeneration: Determine page size: 52.63msTRACE - DocumentGeneration: Determine page numbers enabled: 1.512msTRACE - DocumentGeneration: Export to PDF: 317.498msTRACE - DocumentGeneration: Generate document: 10.809sTRACE - DocumentGeneration: Document size: 148.137 kBTRACE - DocumentGeneration: Send result back: 101.093msTRACE - DocumentGeneration: Closed browser   TRACE - DocumentGeneration: DOCGEN_RUNTIME_ERROR: Failed to send result: Error: unable to verify the first certificate TRACE - DocumentGeneration: Send error: 7.189ms TRACE - DocumentGeneration: Failed to send error: unable to verify the first certificate   TRACE - DocumentGeneration: Document result is not yet available, continue pollingTRACE - DocumentGeneration: Wait using backoff: 1000msTRACE - DocumentGeneration: Document result is not yet available, continue pollingTRACE - DocumentGeneration: Wait using backoff: 1000msTRACE - DocumentGeneration: Document result is not yet available, continue pollingTRACE - DocumentGeneration: Wait using backoff: 1000msTRACE - DocumentGeneration: Document result is not yet available, continue pollingTRACE - DocumentGeneration: Wait using backoff: 1000msTRACE - DocumentGeneration: Document result is not yet available, continue pollingTRACE - DocumentGeneration: Wait using backoff: 1000msTRACE - DocumentGeneration: Document result is not yet available, continue pollingTRACE - DocumentGeneration: Wait using backoff: 2000msTRACE - DocumentGeneration: Document result is not yet available, continue pollingTRACE - DocumentGeneration: Wait using backoff: 2000msTRACE - DocumentGeneration: Document result is not yet available, continue pollingTRACE - DocumentGeneration: Wait using backoff: 2000msTRACE - DocumentGeneration: Document result is not yet available, continue pollingTRACE - DocumentGeneration: Wait using backoff: 2000msTRACE - DocumentGeneration: Document result is not yet available, continue pollingTRACE - DocumentGeneration: Wait using backoff: 3000msTRACE - DocumentGeneration: Document result is not yet available, continue pollingTRACE - DocumentGeneration: Wait using backoff: 3000msTRACE - DocumentGeneration: Document result is not yet available, continue pollingTRACE - DocumentGeneration: Wait using backoff: 3000msTRACE - DocumentGeneration: Document result is not yet available, continue pollingTRACE - DocumentGeneration: Wait using backoff: 5000msTRACE - DocumentGeneration: Document result is not yet available, continue pollingTRACE - DocumentGeneration: Wait using backoff: 5000msTRACE - DocumentGeneration: Document result has not appeared, stopping polling
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1 answers
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Hi Poorna, "Failed to send result: Error: unable to verify the first certificate" means the PDF generation service couldn't verify the SSL certificate when sending the result back to the Mendix runtime.

 

Cause:

  • You're using a self-signed or internal certificate.

  • The container running the PDF generator doesn't trust your certificate.

Check Internal Communication URL

Make sure the callback URL (where the result is sent) is using a hostname that the PDF container can reach and resolve correctly (e.g.,localhost, container IP, or internal DNS) with a valid certificate.

 

I hope this one helps you:)

 

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