Misleading "Tracing extension 'startTransaction' has not been added." message

[jeengbe]

Is there an existing issue for this?

• I have checked for existing issues https://github.com/getsentry/sentry-javascript/issues
• I have reviewed the documentation https://docs.sentry.io/
• I am using the latest SDK release https://github.com/getsentry/sentry-javascript/releases

How do you use Sentry?

Sentry Saas (sentry.io)

Which SDK are you using?

@sentry/node

SDK Version

7.55.2

Issue

Calling Sentry.startTransaction() without calling Sentry.init() first yields the following note:

Tracing extension 'startTransaction' has not been added. Call 'addTracingExtensions' before calling 'init':
Sentry.addTracingExtensions();
Sentry.init({...});

Most often, Sentry.init was not called, and the above message is slightly misleading 🙂

[lforst]

Hi, can you share your Sentry.init() code. Thanks!

[jeengbe]

Apologies, I really thought that was irrelevant here 🙂

import * as Sentry from '@sentry/node';

Sentry.init({
  // dsn & stuff
  defaultIntegrations: false,
  tracesSampleRate: 1,
  integrations: [
    new Sentry.Integrations.FunctionToString(),
    new Sentry.Integrations.ContextLines(),
    new Sentry.Integrations.LinkedErrors(),
  ],
});

[lforst]

Can you doublecheck that you're calling Sentry.init() before you're calling startTransaction?

[jeengbe]

Just checked again, we do

[jeengbe]

Or, actually, I was missing an environment variable.

Sentry.init() was never called after all.

[jeengbe]

I am sorry, let's repurpose this issue 🙂

[github-actions]

This issue has gone three weeks without activity. In another week, I will close it.

But! If you comment or otherwise update it, I will reset the clock, and if you label it Status: Backlog or Status: In Progress, I will leave it alone ... forever!

---

"A weed is but an unloved flower." ― Ella Wheeler Wilcox 🥀

[sdudley]

I am seeing this misleading error message too, and yes, it resulted from the failure to call Sentry.init().

[jeengbe]

Tracking in #8624