Typescript Express server tracing not working. tracingHandler need casting? How?

[sunshineo]

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

Framework Version

No response

Link to Sentry event

No response

SDK Setup

Sentry.init({
  dsn: "MY_DSN",
  integrations: [
    // enable HTTP calls tracing
    new Sentry.Integrations.Http({ tracing: true }),
    // enable Express.js middleware tracing
    new Sentry.Integrations.Express({ app }),
    // Automatically instrument Node.js libraries and frameworks
    ...Sentry.autoDiscoverNodePerformanceMonitoringIntegrations(),
    environment: config.env,
    release: process.env.SENTRY_RELEASE || 'unknown',
  ],

  // Set tracesSampleRate to 1.0 to capture 100%
  // of transactions for performance monitoring.
  // We recommend adjusting this value in production
  tracesSampleRate: 1.0,
});
// RequestHandler creates a separate execution context, so that all
// transactions/spans/breadcrumbs are isolated across requests
app.use(Sentry.Handlers.requestHandler() as express.RequestHandler);
// TracingHandler creates a trace for every incoming request
app.use(Sentry.Handlers.tracingHandler());

//...

// The error handler must be before any other error middleware and after all controllers
app.use(Sentry.Handlers.errorHandler() as express.ErrorRequestHandler);

Steps to Reproduce

It was not working for me on capture errors until I find the documentation that I need to do casting for:

...
app.use(Sentry.Handlers.requestHandler() as express.RequestHandler);
//...
app.use(Sentry.Handlers.errorHandler() as express.ErrorRequestHandler);
//...

After that, I get errors. But tracing still does not work. Could it be because

app.use(Sentry.Handlers.tracingHandler());

Also need casting? How? I've tried

app.use(Sentry.Handlers.tracingHandler() as express.RequestHandler);
app.use(Sentry.Handlers.tracingHandler() as express.Handler);

Neither works.

Expected Result

Tracing to work

Actual Result

Tracing not working

[lforst]

Hi, thanks for writing in! Can you share the versions of express and Typescript you're using? Thanks!

[sunshineo]

"@sentry/node": "^7.55.2",
"@types/express": "^4.17.17",
"express": "^4.17.1",
"typescript": "^5.0.4"

[lforst]

What are the exact errors you're getting?

[sunshineo]

Turns out we ran out of quota 😄