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JasonK
Helper IV
Helper IV

Bad gateway 502 Onedrive pdf converter

Hello Everyone,

 

I had built a flow 2 months ago that would convert word files on a sharepoint document repository into PDF. Eventually it evolved to converting excel files so a switch case was built to accomodate. This was all working fine for a while until yesterday 10/28.

 

The flow was able to save the file to onedrive but failed on the conversion to PDF with a bad gateway 502 error. In the body it stated:

"The underlying connection was closed: An unexpected error occurred on a send.\r\n inner exception: An error occurred while sending the request.\r\n inner exception: The underlying connection was closed: An unexpected error occurred on a send.\r\n inner exception: Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host.\r\n inner exception: An existing connection was forcibly closed by the remote host",
 
I attempted to rerun the flow and try other files and resulted in the same thing.
 
I decided to open a support ticket. Support had me rebuild the connector connection and noticed the icon for onedrive had updated. It continued to fail, so we ended up rebuilding a copy of the flow and resulted in the same issue. The tech upon checking the gateways tab was met with a message about needing a subscription stated to me pdf conversion on onedrive needed a premium licensce. I was totally confused stating that it made no sense as the changes occurred oct 1st and still ran fine up until yesterday.  It then evolved into saying i was possibly on a trial account. (I am under GCC g3 Lic, and not using free flow). Eventually he got back to me and explained he was wrong so we further troubleshoot the issue.
 
We ended up opening up IE with browser cache clear. The flow tested and then ran fine without the gateway issue. His explanation was that when i built my flow, the flow designer was possibly pulling in old cached information into building my flow therefore resulting in the gateway 502 errors. Resaving in IE with new cache clear fixed the problem was his explanation. This baffled me as it didnt really make sense that a cloud platform would rely on browser cache to authenticate. This would lead me to believe there are many other users that run into this same scenario using Chrome.
 
Has anyone ran into a similar incident and explanation like this before? Also if anyone knows the onedrive pdf converter requires a premium lic? Or was i fed a bunch of baloney and connections on the backend fixed itself. If this is truly the root cause of the issue, then the flow designer needs to be redesigned.
 
Thanks
Jason
41 REPLIES 41
adam_gatt
New Member

We received the issue yesterday (14/12/2022 between 2pm and 3pm AEDT) for our logic apps using the OneDriveForBusiness Convert to PDF action. The error message was the same as jtao's above:

 

{
  "error": {
    "code"502,
    "source""logic-apis-australiaeast.azure-apim.net",
    "clientRequestId""54b775dd-dcb9-4a2a-8132-5012a1e78ae0",
    "message""BadGateway",
    "innerError": {
      "status"502,
      "message""Service Unavailable - <!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Transitional//EN' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd'><html xmlns='http://www.w3.org/1999/xhtml'><head><meta content='text/html; charset=utf-8' http-equiv='content-type'/><style type='text/css'>body {{font-family:Arial; margin-left:40px; }}img  {{ border:0 none; }}#content {{ margin-left: auto; margin-right: auto }}#message h2 {{ font-size: 20px; font-weight: normal; color: #000000; margin: 34px 0px 0px 0px }}#message p  {{ font-size: 13px; color: #000000; margin: 7px 0px 0px0px}}#errorref {{ font-size: 11px; color: #737373; margin-top: 41px }}</style><title>{0}</title></head><body><div id='content'><div id='message'><h2>Our services aren't available right now</h2><p>We're working to restore all services as soon as possible. Please check back soon.</p></div><div id='errorref'><span>Ref A: F0E545E1C17741568E25592CBC6046E9 Ref B: OSA02EDGE1220 Ref C: 2022-12-14T03:53:34Z</span></div></div></body></html>",
      "source""api.connectorp.svc.ms"
    }
  }
}
 
Any confirmation that this is a Microsoft performance issues / advice on how to handle this gracefully is appreciated.

Most likely the only thing you can do is wait for Microsoft to resolve their gateway issue. The 502 bad gateway message in general is usually when their servers are screwed up and cannot process the request. As the message states "Their services aren't available right now" 

Over the years bad gateway message pops up here and there and usually just goes away after a few days. I even get some failures on regular interval checks for some flows (5 min check on triggers).

 

The only thing you can really do is open a ticket with MS. usually results in a we will investigate with their engineering team and then it just fixes itself

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