io.opentracing.contrib:opentracing-scala-concurrent_2.11 0.0.4 io.opentracing.contrib opentracing-scala-concurrent_2.11 0.0.4
io.opentracing.contrib:opentracing-scala-concurrent_2.11 0.0.3 io.opentracing.contrib opentracing-scala-concurrent_2.11 0.0.3