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https://issues.apache.org/jira/browse/CAMEL-23343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18074285#comment-18074285
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Bjorn Beskow commented on CAMEL-23343:
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I have created a pull request [https://github.com/apache/camel/pull/22675] to
update the documentation.
> Using OpenTelemetry instrumentation via Spring Boot starter and OpenTelemetry2
> ------------------------------------------------------------------------------
>
> Key: CAMEL-23343
> URL: https://issues.apache.org/jira/browse/CAMEL-23343
> Project: Camel
> Issue Type: Improvement
> Components: camel-opentelemetry
> Affects Versions: 4.18.1
> Reporter: Bjorn Beskow
> Priority: Minor
> Attachments: camel-opentelemetry-starter.zip
>
>
> Using OpenTelemetry instrumentation via the OTEL spring boot starter together
> with {{camel-opentelemetry2}} is not well document, and does not work out of
> the box. The auto-configuration provided by
> {{io.opentelemetry.instrumentation:opentelemetry-spring-boot-starter}}
> doesn't configure all beans required by camel-opentelemetry2 to be fully
> functional:
>
> 1. A bean for {{io.opentelemetry.api.trace.Tracer}} is missing, which cause
> {{trace_id}} and {{span_id}} to not be visible in the MDC context used by
> {{io.opentelemetry.instrumentation:opentelemetry-logback-mdc-1.0}}
> 2. A bean for {{io.opentelemetry.context.propagation.ContextPropagators}} is
> missing, which cause a NOOP propagator being used and hence no propagation
> happens for the camel routes
>
> Configuring the beans explicitly solves these problems:
>
> @Configuration
> public class OpenTelemetryConfiguration {
> @Bean
> public Tracer tracer(@Value("${spring.application.name}") String
> serviceName, OpenTelemetry openTelemetry) {
> return openTelemetry.getTracer(serviceName);
> }
> @Bean
> public ContextPropagators contextPropagators(OpenTelemetry openTelemetry) {
> return openTelemetry.getPropagators();
> }
> }
>
> Attached is a sample project with a single JMS route and integration tests
> which highlight the problem (comment out the {{@Configuration}} annotation in
> OpenTelemetryConfiguration to make the tests fail).
>
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