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Graph/sentry-transport-event-drop

Pattern

Sentry Transport Drops Events

sentry-transport-event-drop

A recurring transport-failure motif where slow/unreachable connectivity and HTTP/network errors or async queue saturation lead to Sentry SDK dropping events, harming app performance and observability until timeouts, connectivity, or queue capacity are adjusted.

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Public graph metadata

Updated5/1/2026

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30 linked nodes

we don't have Sentry logging anymore — since we picked Temporal to run our background tasks (workflows and activities). Tension: Is it possible to configure our worker to setup Sentry SDK and forward errors in workflows and activities to Sentry? Outcome: You can configure your worker with a Workflow interceptor.

This is treated by Sentry as an error and being logged into Sentry. — I have some cases in which I am cancelling the token for certain API requests. Tension: I would like cancel token errors to not be logged. Outcome: This has not worked.

Sentry Logger [warn]: Discarded session because of missing or non-string release — Sentry.init({. Tension: but still keep getting.

Sentry sends non-crash log events instead of only fatal crash events

Sentry is still sending error/crash events from React Native when the app is running in development mode, including native-side crashes. Disabling Sentry via `enabled: !__DEV__` or conditional `Sentry.init` was not sufficient for native errors.

Unable to identify whether Sentry event data is APM/transaction data in BeforeSend/BeforeSendTransaction

If the connection is slow or if, for some reason, the Sentry Server is unreachable, it significantly impacts the overall performance of the application. — We are currently experiencing a performance issue with Sentry in PHP, which sends events in real-time through an API call. Tension: the Sentry Server is unreachable. Outcome: Our preference is to log events locally and subsequently send them to Sentry using Fluentbit.

User-submitted messages sent from a JavaScript/Angular app via Sentry.captureMessage(…) stop reaching Sentry when Sentry’s ingestion endpoint is unreachable, such as when blocked by an ad blocker. This leaves no way to forward the user’s input to support.

Self-hosted Sentry is not sending mail

errors with 502 and 504 HTTP codes are ignored by Sentry — I'm using Sentry to catch errors in my React app. Tension: some React errors are ignored too. Outcome: I'd like to override this behavior.

{"type":"replay_event"} — We dont use the replay feature of Sentry. Tension: And it's sending a massive number of events. Outcome: There seem to be no way to deactivate it in the admin settings.

Sentry alerts are not appearing in the Sentry panel for a Clojure backend running in a pod, despite manually sending a test event that returns an event ID. Pod logs show transport/network-related debug output including errors like queue overflow or network error.

when I run via debug mode, it doesn't — when I run the app via "flutter run". Tension: Sentry, right from the beginning, logged all the errors, but this week, it just stopped. Outcome: Sentry, right from the beginning, logged all the errors.

send performance transactions to Sentry using a Ktor server plugin — using a Ktor server plugin to track performance metrics for API calls. Tension: How can I integrate the Sentry java and kotlin SDKs with Ktor?

Uncaught ReferenceError: Sentry is not defined — I am loading Sentry from CDN with the `defer` attributed.

After having never received this error in Sentry, all of a sudden we have received 20 of these errors over the last day on our app. — Large Render Blocking Asset / New Issue /static/js/main.779fa2a0.js. Tension: Our website https://cbbanalytics.com/ doesn't have the fastest loading home-page, but we haven't changed anything major in the last day that would lead to this issue. Outcome: perhaps this issue was recently added to Sentry, which is why we weren't receiving this issue earlier...

Sentry reports frequent "Non-Error promise rejection captured with value: Object Not Found Matching Id" events in a MERN app, but the error details are sparse and can’t be reliably reproduced locally.

I can see an entry in Sentry with message "Test message constructor" but not "Test message log" — inside winston Transport log function. Tension: I can see the console log prints, including the event ID returned from the calls to `Sentry.captureMessage()` in the `log()` function. Outcome: Removing the calls to `process.exit()` and letting the command finishes normally resolves the issue.

the health check is filling all the Sentry transaction limits — I have a Django application with a health check endpoint that's using django-health-check. Tension: How can I exclude the health check endpoint in Sentry? Outcome: use a sampling function to control the sample rate according to the URL or other parameters.

Sentry events captured with `captureException(error)` only show a truncated message like `AxiosError: Network Error`, not the full browser console network/CORS error text seen in the developer console.

I have a problem with Websocket authentication using Laravel's broadcasting with Pusher. — From time to time it returns 403 when JTW token is refreshed. Tension: How can I log all 4xx and 5xx requests to Sentry?

How can I log all 4xx and 5xx requests to Sentry? — I added sentry.io integration to a Laravel application. Tension: By default Laravel doesn't report there exceptions. Outcome: you need an override in Hander.php.

Sentry events from a Flutter iOS app were missing the OS (operating system) tag, while Android events included it. Users could not see the iOS operating system value on the event details.

sentry-sdk sends every raised CustomError to the DSN

The Sentry Performance tab shows no data for a NestJS application even though Sentry is initialized with tracing handlers.

all errors are tracked successfully, but I still haven't found a way to identify if the error reported by Sentry is a common error or is crashing the app — I'm tracking all my app crashes with Sentry. Tension: I still haven't found a way to identify if the error reported by Sentry is a common error or is crashing the app. Outcome: have someone found a way to do it?

Every curl error is sent to Sentry. — There is a Job that works just fine 99% of time. It retries N times. Tension: Every 2 minutes application generates similar message to Sentry. Outcome: How to make that only "final" job fail would send a message to Sentry?

On iOS, the app logs many Sentry errors: "TypeError: Load failed" when calling fetch. The issue is not seen on other platforms and is distinct from a separate "TypeError: cancelled" problem.

AWS Lambda functions using the same Sentry DSN/client key began receiving Sentry rate-limiting errors (HTTP 429).

Sentry debug mode repeatedly prints logging output and captures errors, but the integration does not work as expected when testing with an intentional exception.

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