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[DISCUSS] Errors in event listeners

3

I'd like to consider what the right behavior should be when an `Error` is thrown inside an event listener. Some event listeners happen in the middle of execution, such as...

jhalterman

Add attempt failure exception as suppressed exceptions of FailsafeException

3

That way a `FailsafeException` will contain all information about all attempts. See: https://docs.oracle.com/javase/7/docs/api/java/lang/Throwable.html#addSuppressed(java.lang.Throwable)

kokosing

Support sync CompletionStage execution

4

See https://github.com/jhalterman/failsafe/issues/145#issuecomment-456217684 One of the challenges I am recalling from sync CompletionStage execution is how to implement sync retries without spawning another thread or potentially blowing up a call stack,...

jhalterman

For result listeners that are improperly typed, ClassCastExceptions may occur. It might be nice to report these out somehow, such as via a logging extension.

jhalterman

Consider adding support for matching listeners to particular failures

1

Ex: ``` onFailedAttempt(ConnectException.class, e -> log.error("Failed to connect", e)); ``` Failure instances of `ConnectException` will trigger the listeners, else the listener is not triggered. Currently users can do: ``` onFailedAttempt(e...

jhalterman

separate instance of failsafe for each downstream application

8

We are big fan of FailSafe! First of all thank you guys for supporting this awesome framework. It helps us a lot. Sometimes a given service (mostly Orchestration Service) needs...

psinghcredify

Support accrual failure detection

4

As Failsafe already supports policies that are useful for networked operations, it would make sense to support phi accrural (or other accural algorithms) failure detection for situations where fixed timeouts...

jhalterman

CircuitBreaker stays in OPEN even after DELAY time

2

I configure a CircuitBreaker with a delay. I expect to transition from OPEN to HALFOPEN after delay-time given that nothing gets recorded. It does not happen. Code to observe this...

epischel

Why recommend CircuitBreaker before Retry?

1

https://failsafe.dev/policies/#composition-recommendations Recommends circuit breaker inside retry rather than outside retry. I'd love to see more elaboration as to why? I would think the reverse would be better, however Failsafe is...

clarkbreyman

Feature Request: Integrate / add support for Lunar Proxy (backend policy)

1

Using FailSafe is a useful solution. In some cases, we'd like to keep the option to adapt / change the policy or its parameters (e.g. number of retries, timeouts) on...

kaplanlior