How to identify a span failure？

[hlg212]

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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");

[wu-sheng]

Error is an API for agent. ActiveSpan#tag doesn't support to do that.
If you want that, try to contribute

1. Add ActiveSpan#errorin toolkit
2. Call AbstractSpan#errorOccurred in the toolkit activation.

[hlg212]

Because we're trying to associate the system with skywalking.

The realization of this function is expected.

Thank you

[wu-sheng]

You could work on this and submit a new pull request. We will be glad to review and help you merge into the main codebase.

[wu-sheng]

@huangpang New APIs provided.