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span has incorrect parent for incomplete traces #4457

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zeitlinger opened this issue Dec 16, 2024 · 0 comments

Member

zeitlinger commented Dec 16, 2024

Describe the bug

checkout service is calling cart service twice
the first call to cart service is NOT creating a span - but the second call does create a span
tempo displays it as if the first call was creating a span

To Reproduce

Steps to reproduce the behavior:

It only happens when traces are incomplete - i.e. when one of the services in not sending all spans.

You can

follow https://github.com/grafana/grafana-opentelemetry-java/blob/et-phone-home/HACKATHON.md
in the docker-otel-lgtm/tree/hackathon-et-phone-home repo, use commit 681ed62333a5646d995171b54fb901b327a5b19b
use curl -s 'http://localhost:8081/shop?customer=error' (3 times) to create the trace shown above

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