Question

Httpcaller transfer error: Server returned nothing (no headers, no data)

  • 11 January 2023
  • 3 replies
  • 149 views
R
Badge +1

I have an issue with a httpcaller trying to call an app server. It makes the same call for a number of times for different customers replacing only the custumer name in the URL. For most calls it is working but for at least one call I get the error HTTP transfer error: Server returned nothing (no headers, no data) after exactly two minutes. 

On the app server it processes the call for about 8 minutes before returning an answer. However it seems the httpcaller has already "given up" by this point. Timeout is set to 1200 seconds.

 

It seems to be an issue with FME or the workbench of some kind, but I just can't figure it out. I hope somebody can help.

 

Regards Rasmus

3 replies

redgeographics
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Userlevel 5
Badge +25

Are you sure that there should be a result for that specific customer name? What happens if you try that same request via a browser?

R
Badge +1

Thanks for your fast answer. Our developer just wrote that he is experiencing problems with the app server, so I will wait and see if it is related to my problem, and get back to you then with a reply.

R
Badge +1

Are you sure that there should be a result for that specific customer name? What happens if you try that same request via a browser?

If i type the URL in the browser i get this: {"response":"Unauthorized","correlationId":"CB31A2D9-D93C7758"}

But I get that answer no matter if I use the URL from the faulty or from one that is working in the http caller. Perhaps it is because there is a defined upload body in the http caller but not in the browser.

 

But I am sure that i should get a reponse yes, and the app server seems to be processing the call as well, just as it does with the working customers.

 

That makes my developer think the problem is in FME or my workbench.

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