Thomas TrompetteandGitHub ed66fbd71b Fix event stream does not exists error (#17873)
[Event stream does not
exists](https://twenty-v7.sentry.io/issues/7238297246/events/441b3c0465cf475a8349c7dec40cae2a/?environment=prod&environment=prod-eu&project=4507072499810304&query=is%3Aunresolved%20%21issue.type%3A%5Bperformance_consecutive_db_queries%2Cperformance_consecutive_http%2Cperformance_file_io_main_thread%2Cperformance_db_main_thread%2Cperformance_n_plus_one_db_queries%2Cperformance_n_plus_one_api_calls%2Cperformance_p95_endpoint_regression%2Cperformance_slow_db_query%2Cperformance_render_blocking_asset_span%2Cperformance_uncompressed_assets%2Cperformance_http_overhead%2Cperformance_large_http_payload%5D%20timesSeen%3A%3E10&referrer=previous-event&sort=date)

Error happens when we are trying to add a query to a non-existing event
stream. In some cases, this is legit. Stream has expired and needs to be
re-created. Then we try to add the query again.

But it should happen only once per tab, and not often. We have a lot of
errors in sentry for each users.

Potential root cause: a race condition between the event stream creation
and the addition of queries:
- event stream id is created in frontend state + creation query is sent
- event stream id is in state so query can be added
- addQuery happens before the stream is actually created in redis. So an
error is returned
- the error makes the event stream re-generated by frontend 
- => the flow starts again until the event stream is actually created
BEFORE the first query is added

Fix: a new state saying if event stream is ready
- event stream id is created in frontend state BUT ready state is falsy
so query is not added yet
- on stream creation on backend side, an initial event is sent, so the
frontend knows the stream is ready
- addQuery can be triggered safely
2026-02-11 20:24:03 +01:00
2026-02-10 11:48:10 +01:00
2024-11-06 14:24:07 +01:00
2025-08-07 17:02:12 +02:00
2025-07-08 15:13:02 +02:00

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