Build Scans:

• elasticsearch-periodic #8779 / openjdk21_checkpart2_java-matrix
• elasticsearch-periodic #8743 / graalvm-ce17_checkpart2_java-matrix
• elasticsearch-pull-request #74672 / part-2

Reproduction Line:

./gradlew ":x-pack:plugin:autoscaling:internalClusterTest" --tests "org.elasticsearch.xpack.autoscaling.storage.ReactiveStorageIT.testScaleDuringSplitOrClone" -Dtests.seed=3D7A1A66F2013ACD -Dtests.locale=mzn-Arab-IR -Dtests.timezone=Asia/Tomsk -Druntime.java=21

Applicable branches:
8.19

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.IllegalStateException: Some shards are still open after the threadpool terminated. Something is leaking index readers or store references.

Issue Reasons:

• [8.19] 3 failures in test testScaleDuringSplitOrClone (0.4% fail rate in 764 executions)
• [8.19] 2 failures in pipeline elasticsearch-periodic (10.0% fail rate in 20 executions)

Note:
This issue was created using new test triage automation. Please report issues or feedback to es-delivery.