APM Transaction doesn't show up for Image GET requests

Deployment version in Elastic Cloud:

Kibana version:

Elasticsearch version:

APM Server version:

APM Agent language and version:
Could find it

Browser version:
Google Chrome: Version 75.0.3770.100 (Official Build) (64-bit)

Is there anything special in your setup?
I am using APM to monitor my Flask web application that uses a server.

Description of the problem including expected versus actual behavior:

I have link that performs an API call which is a GET request that returns an image instead of a JSON text. I expect to see the transaction in APM UI dashboards, but, it doesn't show. However, if the GET request returns anything other an image for example JSON text, then the transaction shows up in APM.

Steps to reproduce:

  1. Have aGET HTTP request link that returns an image. For example:


  2. Go to APM service for that application and see if the transaction shows up.

Hi Kourosh,

It could be many things, from resource caching going or it could be the APM agent tripping up. Do you see any log output or other errors? If you have a support subscription also please make sure to involve our support team as they can take a closer look.

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