https://github.com/KoenDG/play-java-starter-example/blob/jaegertracing/app/TracerProvider.java

Trace.java

import com.uber.jaeger.Configuration;
import com.uber.jaeger.Tracer;
import com.uber.jaeger.samplers.ConstSampler;

import javax.inject.Provider;

public class TracerProvider  implements Provider<Tracer> {

    @Override
    public Tracer get() {
        return new Configuration("play-java-starter-example")
                .withReporter(
                        new Configuration.ReporterConfiguration()
                                .withLogSpans(true)
                )
                .withSampler(
                        new Configuration.SamplerConfiguration()
                                .withType(ConstSampler.TYPE)
                                .withParam(1)
                )
                .getTracerBuilder()
                .build();
    }
}