wdengw commented on issue #886: Got IllegalArgumentExceptions when calling SpanBuilder.asChildOf() URL: https://github.com/apache/incubator-skywalking/issues/886#issuecomment-370829788 I am using the 3.2.6 version. I tried to make the same code changes locally but found that on 3.2.6 version, SkywalkingTracerExtractInterceptor.java doesn't reference TextMapContext at all. Please advice how to make the changes on 3.2.6. A side question: I am curious that the {code} public <C> SpanContext extract(Format<C> format, C carrier) { return new SkywalkingContext(); } {code} Doesn't take any information form the carrier to create the context. The OpenTracing API spec expect that, for HTTP request, HTTP headers are used to pass TraceContext across machines. How does Skywalking manage to pass TraceContext between services?
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