Set errors in span metadata

[willyyang]

How do I see the errors set from the span tag?

const querySpan = tracer.startSpan('xx-query', {
    childOf: resolverSpan.context()
})
querySpan.setTag('traceID', JSON.stringify(querySpan.context().traceId))

querySpan.setTag('db', 'query')
querySpan.setTag('error', 'this should be my message')
tracer.scopeManager().activate(querySpan)
...
querySpan.finish()

[rochdev]

Not sure I understand the question. Are you trying to flag a custom span as an error? If that's the case, there are a few tags that you can set: error.type, error.msg and error.stack

[rochdev]

Basically it should look something like this:

try {
  // some operation that may fail
} catch (e) {
  span.addTags({
    'error.type': e.name,
    'error.msg': e.message,
    'error.stack': e.stack
  })
}

[rochdev]

I'm inferring from the above thumbs up that this fixed your issue. Please feel free to reopen if that's not the case.