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Unrelated services assigned to a user action

Recently I've seen strange behaviour with services from different applications being mapped to an application although the applications and services are totally independent. Further investigation of the waterfall instance for a user revealed that although there were just 2 XHR resources triggered for this XHR action. but 4 PurePaths are available for analysis. Two of them for the application itself (that is correct) and two of them pointing to another unrelated application.

I'm not sure what is happening here but I think the PurePaths pointing to another service have been triggered by a different browser window of the same user.

Maybe someone could reveal in detail how the PurePaths are assigned to waterfall resources?

TEMPEST a.s., Slovakia, Dynatrace Master Partner

If you would be able to reproduce this issue, you can always create fiddler session. This should help with headers checking. I think everything may be because of some problems with x-dynatrace header.


Missing or corrupted cookies would explain PurePaths not being assigned to user actions. (X-Dynatrace header is actually used between service calls, the browser does not send the X-Dynatrace header, but resources from user actions are mapped to PurePaths using cookies. This applies for JavaScript RUM. X-Dynatrace header is, however, used with OpenKit).

However, in this case, I see more PurePaths in a user action than the number of actual requests and it's not the case of HTTP redirects. If there are HTTP redirects involved, from RUM you see only the single resource request, but multiple requests on server side might have been invoked. This is then visible as the redirect time for a resource.

TEMPEST a.s., Slovakia, Dynatrace Master Partner

Dynatrace Pro
Dynatrace Pro

Please open a support case in order to investigate.

I've just opened the support case.

TEMPEST a.s., Slovakia, Dynatrace Master Partner

Product bug has been confirmed and fix will be released in cluster version 162.

TEMPEST a.s., Slovakia, Dynatrace Master Partner