[CI] RegressionIT testAliasFields failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic-platform-support #11001 / ubuntu-2204_platform-support-unix
• elasticsearch-intake #29471 / part4

Reproduction Line:

./gradlew ":x-pack:plugin:ml:qa:native-multi-node-tests:javaRestTest" --tests "org.elasticsearch.xpack.ml.integration.RegressionIT.testAliasFields" -Dtests.seed=806D51C8CB63A3B -Dtests.locale=en-MG -Dtests.timezone=Australia/Darwin -Druntime.java=25

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.ClassCastException: class java.lang.Integer cannot be cast to class java.lang.Double (java.lang.Integer and java.lang.Double are in module java.base of loader 'bootstrap')

Issue Reasons:

• [main] 2 failures in test testAliasFields (0.5% fail rate in 398 executions)

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

[elasticsearchmachine]

Pinging @elastic/ml-core (Team:ML)

[elasticsearchmachine]

This has been muted on branch main

Mute Reasons:

• [main] 2 failures in test testAliasFields (0.5% fail rate in 398 executions)

Build Scans:

• elasticsearch-periodic-platform-support #11001 / ubuntu-2204_platform-support-unix
• elasticsearch-intake #29471 / part4