Andrea Cosentino created CAMEL-19051:
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Summary: Camel-opentelemetry: Avoid using the
GlobalOpenTelemetry.get() and allow for injection of ContextPropagators
Key: CAMEL-19051
URL: https://issues.apache.org/jira/browse/CAMEL-19051
Project: Camel
Issue Type: Bug
Reporter: Andrea Cosentino
Fix For: 4.0-M2, 4.0
A problem occures when using opentelemetry 4.0.0-M1 with spring-boot auto
configuration.
The autoconfiguration works as expected and the resulting openTelemetry bean is
as expected.
But when the first request comes in, the autoconfigured bean is not used and
another openTelemetry configured with OpenTelemetry.noop() is used.
org.apache.camel.opentelemetry.OpenTelemetryTracer#startExchangeBeginSpan uses
GlobalOpenTelemetry.get(), which in turn looks into it's
io.opentelemetry.api.GlobalOpenTelemetry#globalOpenTelemetry which was not set
and so it creates the noop implementation.
First step to fix without side effects is to allow the explicit setting of the
ContextPropagators which then can be used by
org.apache.camel.opentelemetry.starter.OpenTelemetryAutoConfiguration#openTelemetryEventNotifier
to use the proper autoconfigured instances.
https://camel.zulipchat.com/#narrow/stream/257301-camel-spring-boot/topic/opentelemetry/near/327478493
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