<RxJava's retryWhen unexpectedly keeps retrying fo...

# stackoverflow

[user]

RxJava's retryWhen unexpectedly keeps retrying forever
Can anyone …
explain why the following code keeps retrying indefinitely, once retryWhen is called?
correct the code to stop retrying when Random.nextBoolean()
returns true?
I think there is a 50% chance that retryWhen is called because of Random.nextBoolean(). However, once it is called, it goes into an infinite loop.
import io.reactivex.rxjava3.core.Observable
import kotlin.random.Random

fun main() {
Observable
.just(Unit)
.flatMap {
if (Random.nextBoolean())...