huangpang opened a new issue #2599: How to identify a span failure? URL: https://github.com/apache/skywalking/issues/2599 Please answer these questions before submitting your issue. - Why do you submit this issue? - [ ] Question or discussion ___ ### Question How to identify a span failure? I used opentracing to create a custom span But I haven't found a way to set the state. I tried several ways, but none of them worked. version: 6.0.0-GA ``` span.setTag("error",true); span.setTag("isError",true); org.apache.skywalking.apm.toolkit.trace.ActiveSpan.tag("is error","true"); org.apache.skywalking.apm.toolkit.trace.ActiveSpan.tag("isError","true"); ``` 
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