Camel 4.3.0 and OpenTelemetry - nothing happens

[David Ecker]

Hi,




-- pom.xml ---
<snip>

<dependency> <groupId>org.apache.camel.springboot</groupId> 
<artifactId>camel-opentelemetry-starter</artifactId> <version>4.3.0</version> </dependency>

</snip>

-- app.java --
<snip>

@CamelOpenTelemetry @SpringBootApplication public class 
OtelCamelTest02Application {

    public static void main(String[] args) {
        SpringApplication.run(OtelCamelTest02Application.class, args);
    }

}

</snip>


-- Route.java --
<snip>

@Component public class Route01extends RouteBuilder {
    @Override public void configure()throws Exception {
        from("timer://foo?delay=5000")
                .to("log:test");
    }
}

</snip>


I played with different setting of:

I tried several combinations in a small mock project, but no otel trace is being sent anywhere. Does anybody know what I am doing wrong?!? I am somehow at loss here. Could somebody help me, please. camel.opentelemetry.enabled=true camel.springboot.use-mdc-logging=true otel.traces.exporter=otel otel.service.name=HelloWorld otel.exporter.otlp.endpoint=http://127.0.0.1:4317 otel.log.level=debug

nothing....



MDC logging is enabled on CamelContext: camel-1
OpenTelemetryTracer enabled using instrumentation-name: camel

So disabeling mdc will remove the first log line.



I also checked using tcpdump trying to capture those traces - nothing.

Thank you,
David

I also added the java agent manually - then only thing I can change is the log message: I also tried the example project FlightBooking from the github repo camel-spring-boot-examples - nope, did not work either.

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