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https://issues.apache.org/jira/browse/CAMEL-16921?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claus Ibsen reassigned CAMEL-16921:
-----------------------------------
Assignee: Claus Ibsen
> KafkaSpanDecorator sometimes sets the wrong message_bus.destination tag value
> -----------------------------------------------------------------------------
>
> Key: CAMEL-16921
> URL: https://issues.apache.org/jira/browse/CAMEL-16921
> Project: Camel
> Issue Type: Bug
> Components: camel-tracing
> Reporter: James Netherton
> Assignee: Claus Ibsen
> Priority: Minor
> Fix For: 3.12.0
>
>
> Consider a route like:
> from("kafka:foo")
> .to("kafka:bar")
> When you view the trace span for the producer, the message_bus.destination
> tag contains "foo". I'd expect it to be "bar" (as that's what we are
> producing to).
> The logic to determine the destination can probably be improved a bit:
> https://github.com/apache/camel/blob/main/components/camel-tracing/src/main/java/org/apache/camel/tracing/decorators/KafkaSpanDecorator.java#L52-L59
> It looks up an exchange header "kafka.TOPIC". The problem in this particular
> scenario is that there will be a value present in the exchange passed from
> the "kafka:foo" consumer. The Kafka header filter will have not yet stripped
> it when the tracing EventNotifier bits run, so an incorrect value is used for
> the span name & tag.
> Maybe it could always look up the topic name from the endpoint URI options
> instead of relying on the header.
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