AbstractRemoteSendConsistencySpec actorSelection preserving order test now flaky

[pjfanning]

Not sure if this was always flaky but it now fails on a very regular basis - especially on scala 2.13

[06-18 22:07:31.843] [info] - must be able to send messages with actorSelection concurrently preserving order *** FAILED *** (1 minute)
[06-18 22:07:31.843] [info]   java.lang.AssertionError: assertion failed: timeout (59999986805 nanoseconds) during expectMsg while waiting for success2
[06-18 22:07:31.843] [info]   at scala.Predef$.assert(Predef.scala:279)
[06-18 22:07:31.843] [info]   at org.apache.pekko.testkit.TestKitBase.expectMsg_internal(TestKit.scala:470)
[06-18 22:07:31.843] [info]   at org.apache.pekko.testkit.TestKitBase.expectMsg(TestKit.scala:447)
[06-18 22:07:31.843] [info]   at org.apache.pekko.testkit.TestKitBase.expectMsg$(TestKit.scala:447)
[06-18 22:07:31.843] [info]   at org.apache.pekko.testkit.TestKit.expectMsg(TestKit.scala:963)
[06-18 22:07:31.843] [info]   at org.apache.pekko.remote.artery.AbstractRemoteSendConsistencySpec.$anonfun$new$10(RemoteSendConsistencySpec.scala:220)
[06-18 22:07:31.843] [info]   at org.apache.pekko.testkit.TestKitBase.within(TestKit.scala:427)
[06-18 22:07:31.843] [info]   at org.apache.pekko.testkit.TestKitBase.within$(TestKit.scala:414)
[06-18 22:07:31.843] [info]   at org.apache.pekko.testkit.TestKit.within(TestKit.scala:963)
[06-18 22:07:31.843] [info]   at org.apache.pekko.testkit.TestKitBase.within(TestKit.scala:442)
[06-18 22:07:31.843] [info]   at org.apache.pekko.testkit.TestKitBase.within$(TestKit.scala:442)
[06-18 22:07:31.843] [info]   at org.apache.pekko.testkit.TestKit.within(TestKit.scala:963)
[06-18 22:07:31.844] [info]   at org.apache.pekko.remote.artery.AbstractRemoteSendConsistencySpec.$anonfun$new$8(RemoteSendConsistencySpec.scala:219)
[06-18 22:07:31.844] [info]   at org.scalatest.OutcomeOf.outcomeOf(OutcomeOf.scala:85)
[06-18 22:07:31.844] [info]   at org.scalatest.OutcomeOf.outcomeOf$(OutcomeOf.scala:83)
[06-18 22:07:31.844] [info]   at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
[06-18 22:07:31.844] [info]   at org.scalatest.Transformer.apply(Transformer.scala:22)
[06-18 22:07:31.844] [info]   at org.scalatest.Transformer.apply(Transformer.scala:20)
[06-18 22:07:31.844] [info]   at org.scalatest.wordspec.AnyWordSpecLike$$anon$3.apply(AnyWordSpecLike.scala:1240)

[He-Pin]

Let me check it.

[pjfanning]

This test case is also flky in this same test class.

[06-19 14:07:04.974] [info] - must be able to send messages concurrently preserving order *** FAILED *** (1 minute)
[06-19 14:07:04.974] [info]   java.lang.AssertionError: assertion failed: timeout (59999974352 nanoseconds) during expectMsg while waiting for success
[06-19 14:07:04.974] [info]   at scala.runtime.Scala3RunTime$.assertFailed(Scala3RunTime.scala:8)
[06-19 14:07:04.974] [info]   at org.apache.pekko.testkit.TestKitBase.expectMsg_internal(TestKit.scala:470)
[06-19 14:07:04.975] [info]   at org.apache.pekko.testkit.TestKitBase.expectMsg(TestKit.scala:447)
[06-19 14:07:04.975] [info]   at org.apache.pekko.testkit.TestKitBase.expectMsg$(TestKit.scala:167)
[06-19 14:07:04.975] [info]   at org.apache.pekko.testkit.TestKit.expectMsg(TestKit.scala:963)
[06-19 14:07:04.975] [info]   at org.apache.pekko.remote.artery.AbstractRemoteSendConsistencySpec.f$proxy3$1$$anonfun$1(RemoteSendConsistencySpec.scala:180)
[06-19 14:07:04.975] [info]   at org.apache.pekko.testkit.TestKitBase.within(TestKit.scala:427)
[06-19 14:07:04.975] [info]   at org.apache.pekko.testkit.TestKitBase.within$(TestKit.scala:167)
[06-19 14:07:04.975] [info]   at org.apache.pekko.testkit.TestKit.within(TestKit.scala:963)
[06-19 14:07:04.975] [info]   at org.apache.pekko.testkit.TestKitBase.within(TestKit.scala:442)
[06-19 14:07:04.975] [info]   at org.apache.pekko.testkit.TestKitBase.within$(TestKit.scala:167)
[06-19 14:07:04.975] [info]   at org.apache.pekko.testkit.TestKit.within(TestKit.scala:963)
[06-19 14:07:04.975] [info]   at org.apache.pekko.remote.artery.AbstractRemoteSendConsistencySpec.f$proxy3$1(RemoteSendConsistencySpec.scala:184)
[06-19 14:07:04.975] [info]   at org.apache.pekko.remote.artery.AbstractRemoteSendConsistencySpec.$init$$$anonfun$1$$anonfun$3(RemoteSendConsistencySpec.scala:147)
[06-19 14:07

[pjfanning]

@He-Pin I may be wrong but this test class has multiple sub classes that rerun the same tests with different configs but ArteryTlsTcpSendConsistencyWithOneLaneSpec seems the flakiest

[He-Pin]

i just checked on AbstractRemoteSendConsistencySpec, it's been reported in akka-core issue tracker too.

[pjfanning]

akka/akka-core#29465