HTTP Session cleanup

[Nicklas Karlsson]

I see a lot of expired HTTP sessions listed in my deployments undertow-subsystem. What triggers the reaper thread that clears them?

[Flavia R]

Hi

The the session timeout calculation is what triggers the reaper thread:

https://github.com/undertow-io/undertow/blob/master/core/src/main/java/io/undertow/server/session/InMemorySessionManager.java#L436

The cancel task can be seen here:

https://github.com/undertow-io/undertow/blob/master/core/src/main/java/io/undertow/server/session/InMemorySessionManager.java#L391