[CI] SamplingServiceTests testMaybeSampleWithLowRate failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic #10936 / release-tests
• elasticsearch-pull-request #96208 / checkpart1_release-tests

Reproduction Line:

./gradlew ":server:test" --tests "org.elasticsearch.ingest.SamplingServiceTests.testMaybeSampleWithLowRate" -Dtests.seed=390B4F39972D51BA -Dbuild.snapshot=false -Dtests.jvm.argline="-Dbuild.snapshot=false" -Dlicense.key=x-pack/license-tools/src/test/resources/public.key -Dtests.locale=de -Dtests.timezone=Europe/Amsterdam -Druntime.java=25

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.NullPointerException: Cannot invoke "java.lang.ref.SoftReference.get()" because "sampleInfoReference" is null

Issue Reasons:

• [main] 2 failures in test testMaybeSampleWithLowRate (7.4% fail rate in 27 executions)

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

[elasticsearchmachine]

This has been muted on branch main

Mute Reasons:

• [main] 2 failures in test testMaybeSampleWithLowRate (7.4% fail rate in 27 executions)

Build Scans:

• elasticsearch-periodic #10936 / release-tests
• elasticsearch-pull-request #96208 / checkpart1_release-tests

[elasticsearchmachine]

Pinging @elastic/es-data-management (Team:Data Management)