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The following commit(s) were added to refs/heads/main by this push:
new 967a270a04 MapAsyncPartitionedSpec: fix broken test on Java 25 (#2941)
967a270a04 is described below
commit 967a270a04685c2994440eed3bff1fb6bf198290
Author: PJ Fanning <[email protected]>
AuthorDate: Thu May 7 08:54:54 2026 +0100
MapAsyncPartitionedSpec: fix broken test on Java 25 (#2941)
* Fix MapAsyncPartitionedSpec flakiness on JDK 21+: raise minimum-runnable
and reduce iterations
Agent-Logs-Url:
https://github.com/pjfanning/incubator-pekko/sessions/cf273ddc-a171-48b8-a9e0-954fbac39730
Co-authored-by: pjfanning <[email protected]>
* changes
---------
Co-authored-by: copilot-swe-agent[bot]
<[email protected]>
Co-authored-by: pjfanning <[email protected]>
---
.../scala/org/apache/pekko/stream/MapAsyncPartitionedSpec.scala | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git
a/stream-typed-tests/src/test/scala/org/apache/pekko/stream/MapAsyncPartitionedSpec.scala
b/stream-typed-tests/src/test/scala/org/apache/pekko/stream/MapAsyncPartitionedSpec.scala
index 0b8efdda0c..4c23b8a420 100644
---
a/stream-typed-tests/src/test/scala/org/apache/pekko/stream/MapAsyncPartitionedSpec.scala
+++
b/stream-typed-tests/src/test/scala/org/apache/pekko/stream/MapAsyncPartitionedSpec.scala
@@ -45,6 +45,7 @@ import pekko.stream.scaladsl.{
}
import pekko.stream.testkit.scaladsl.TestSink
import pekko.testkit.TestKitExtension
+import pekko.util.JavaVersion
import org.scalatest.BeforeAndAfterAll
import org.scalatest.concurrent.ScalaFutures
@@ -108,7 +109,13 @@ class MapAsyncPartitionedSpec
import MapAsyncPartitionedSpec.TestData._
- private val heavyPropertyChecks = minSuccessful(100)
+ private val heavyPropertyChecks =
+ // JDK 21+ changed ForkJoinPool scheduling (asyncMode FIFO
compensation-thread regression,
+ // JDK-8300995 / JDK-8321335) in a way that can stall the stream
dispatcher on busy CI
+ // runners long enough to time out. 20 iterations keep meaningful
coverage while
+ // reducing exposure; restore to 100 once the upstream JDK regression is
resolved.
+ // We don't see problems on JDK 21 but see them on JDK 25.
+ if (JavaVersion.majorVersion > 21) minSuccessful(20) else
minSuccessful(100)
private implicit val system: ActorSystem[_] = ActorSystem(Behaviors.empty,
"test-system")
private val executor: ExecutorService = Executors.newCachedThreadPool()
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