Span are not connected for Spring boot project

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chandresh pancholi

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Jun 12, 2018, 5:05:07 AM6/12/18
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Hi,

I am using Open Tracing/Jaeger with Spring boot. I am using spring-cloud-context library as well.

Scenario: A ---> B

Service A uses open tracing, jaeger-core, spring-cloud-context

In Jaeger UI, the span of service B  comes as "cannot-find-trace-name"

Span comes as connected when I remove spring-cloud-context library. but this library is important for us for configuration management.


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Chandresh Pancholi
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Gary Brown

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Jun 12, 2018, 5:15:51 AM6/12/18
to chandresh pancholi, Jaeger Tracing
Are you using spring-cloud-context with service B? Assuming not, as it is reporting the spans.

Sounds like the spans are being created in service A but not being reported - but the trace context is being passed from service A to service B.

How is the Jaeger tracer being configured in service A and B?




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chandresh pancholi

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Jun 12, 2018, 5:21:43 AM6/12/18
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Service A/B OpenTracing Code is same just the service-name changes. Also, I am running both the services on Kubernetes with Istio as service mesh.

import com.ailiens.landlord.config.AppConfig;
import com.uber.jaeger.Configuration;
import com.uber.jaeger.samplers.ProbabilisticSampler;
import com.uber.jaeger.senders.HttpSender;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.stereotype.Component;

@Component
public class OpenTracing {

    @Autowired
    private AppConfig appConfig;

    @Bean
    public io.opentracing.Tracer jaegerTracer() {
        HttpSender httpTracer = new HttpSender(appConfig.getJaegerCollector(),0);
        return new Configuration("serviceA", new Configuration.SamplerConfiguration(ProbabilisticSampler.TYPE, 1),
                new Configuration.ReporterConfiguration(httpTracer))
                .getTracer();
    }

}

Thanks
Chandresh

On Tue, Jun 12, 2018 at 2:45 PM Gary Brown <gbr...@redhat.com> wrote:
Are you using spring-cloud-context with service B? Assuming not, as it is reporting the spans.

Sounds like the spans are being created in service A but not being reported - but the trace context is being passed from service A to service B.

How is the Jaeger tracer being configured in service A and B?

On Tue, Jun 12, 2018 at 10:04 AM, chandresh pancholi <chandreshp...@gmail.com> wrote:
Hi,

I am using Open Tracing/Jaeger with Spring boot. I am using spring-cloud-context library as well.

Scenario: A ---> B

Service A uses open tracing, jaeger-core, spring-cloud-context

In Jaeger UI, the span of service B  comes as "cannot-find-trace-name"

Span comes as connected when I remove spring-cloud-context library. but this library is important for us for configuration management.


--
Chandresh Pancholi
Senior Software Engineer
Flipkart.com

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For more options, visit https://groups.google.com/d/optout.



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Senior Software Engineer
Flipkart.com

Gary Brown

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Jun 12, 2018, 5:48:21 AM6/12/18
to chandresh pancholi, Jaeger Tracing
Does service B use the spring-cloud-context dependency?

Do you get any errors when the tracer is created, when the spring-cloud-context dependency is included?

Is the value returned by appConfig.getJaegerCollector() the same with and without the spring-cloud-context? Might be worth showing the toString() for the Configuration object in both situations (i.e. with and without spring-cloud-context).



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chandresh pancholi

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Jun 14, 2018, 7:22:58 AM6/14/18
to gbr...@redhat.com, jaeger-...@googlegroups.com
 appConfig.getJaegerCollector() return jaeger-collector endpoint(jaeger-collector.istio-system:14268/api/traces). 
Configuration objects are same with and without spring-cloud-context.





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