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https://issues.apache.org/jira/browse/CAMEL-23283?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bjorn Beskow updated CAMEL-23283:
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Attachment: jms-micrometer-observability.zip
> OpenTelemetry/Micrometer traces are not exported for JMS-initiated routes
> -------------------------------------------------------------------------
>
> Key: CAMEL-23283
> URL: https://issues.apache.org/jira/browse/CAMEL-23283
> Project: Camel
> Issue Type: Bug
> Components: camel-tracing
> Affects Versions: 4.15.0, 4.16.0, 4.17.0, 4.18.0, 4.18.1
> Reporter: Bjorn Beskow
> Priority: Major
> Attachments: jms-micrometer-observability.zip
>
>
> When using camel-micrometer-observability, traces and spans are not correctly
> structured if a traceId and root span is not already present (as a result of
> OTEL context propagation from the caller, or by a Spring Boot framework
> component in front of the camel component).
> The effect is twofold:
> * traceId and spanId is not put in the MDC context, and hence not present in
> any logs created.
> * Nested spans created programmatically using the Tracer are not properly
> nested (they get their own, unique traceId's).
> This seems to be caused by missing scope management:
> MicrometerObservabilitySpanAdapter::activate() only calls span.start() but
> doesn't put the
> span into the tracer's thread-local scope. This means tracer.currentSpan()
> returns null during route execution, hence the span is invisible to e.g.
> programmatic child span creation that relies on tracer.currentSpan() to find
> a parent span. It also becomes invisible for the MDC context.
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