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test: shut down cluster test systems in reverse order #2997

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He-Pin merged 1 commit into from
May 27, 2026
+4 −1
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test: shut down cluster test systems in reverse order #2997

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5 changes: 4 additions & 1 deletion cluster/src/test/scala/org/apache/pekko/cluster/ClusterTestKit.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -109,8 +109,11 @@ trait ClusterTestKit extends TestKitBase {
actorSystems.contains(actorSystem)

/** Shuts down all registered [[ActorSystem]]s */
// Shut down joining nodes before the first seed node so cluster leave and remoting
// termination can complete while the seed is still available.
// The timeout is dilated by TestKit; keep a larger base for virtualized JDK 25 nightly runs.
def shutdownAll(): Unit = actorSystems.foreach(sys => shutdown(sys, 30.seconds, verifySystemShutdown = true))
def shutdownAll(): Unit =
actorSystems.reverse.foreach(sys => shutdown(sys, 30.seconds, verifySystemShutdown = true))

/**
* Force the passed [[ActorSystem]] to quit the cluster and shutdown.
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