[CI] ClientYamlTestSuiteIT test {yaml=update/100_synthetic_source/keyword} failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic #6263 / release-tests
• elasticsearch-periodic #6256 / release-tests
• elasticsearch-periodic #6249 / release-tests
• elasticsearch-periodic #6242 / release-tests
• elasticsearch-periodic #6235 / release-tests

Reproduction Line:

./gradlew ":rest-api-spec:yamlRestTest" --tests "org.elasticsearch.test.rest.ClientYamlTestSuiteIT.test {yaml=update/100_synthetic_source/keyword}" -Dtests.seed=F77F69713874A3AB -Dbuild.snapshot=false -Dtests.jvm.argline="-Dbuild.snapshot=false" -Dlicense.key=x-pack/license-tools/src/test/resources/public.key -Dtests.locale=dje -Dtests.timezone=GB-Eire -Druntime.java=23

Applicable branches:
8.x

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.AssertionError: Failure at [update/100_synthetic_source:64]: field [test.fields._recovery_source] should be null but was [{total=74b, total_in_bytes=74, inverted_index={total=0b, total_in_bytes=0}, stored_fields=74b, stored_fields_in_bytes=74, doc_values=0b, doc_values_in_bytes=0, points=0b, points_in_bytes=0, norms=0b, norms_in_bytes=0, term_vectors=0b, term_vectors_in_bytes=0, knn_vectors=0b, knn_vectors_in_bytes=0}] expected null, but was:<{total=74b, total_in_bytes=74, inverted_index={total=0b, total_in_bytes=0}, stored_fields=74b, stored_fields_in_bytes=74, doc_values=0b, doc_values_in_bytes=0, points=0b, points_in_bytes=0, norms=0b, norms_in_bytes=0, term_vectors=0b, term_vectors_in_bytes=0, knn_vectors=0b, knn_vectors_in_bytes=0}>

Issue Reasons:

• [8.x] 5 consecutive failures in step release-tests
• [8.x] 5 failures in test test {yaml=update/100_synthetic_source/keyword} (2.4% fail rate in 206 executions)
• [8.x] 5 failures in step release-tests (100.0% fail rate in 5 executions)
• [8.x] 5 failures in pipeline elasticsearch-periodic (100.0% fail rate in 5 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] 9 failures in test test {yaml=update/100_synthetic_source/keyword} (1.0% fail rate in 892 executions)
• [main] 5 failures in step rest-compatibility (1.9% fail rate in 258 executions)
• [main] 2 failures in step part-1-entitlements (13.3% fail rate in 15 executions)
• [main] 8 failures in pipeline elasticsearch-pull-request (3.0% fail rate in 267 executions)

Build Scans:

• elasticsearch-periodic #6237 / release-tests
• elasticsearch-pull-request #55486 / checkpart1_release-tests
• elasticsearch-pull-request #55436 / part-1-entitlements
• elasticsearch-pull-request #55433 / rest-compatibility
• elasticsearch-pull-request #55424 / part-1-entitlements
• elasticsearch-pull-request #55374 / rest-compatibility
• elasticsearch-pull-request #55370 / rest-compatibility
• elasticsearch-pull-request #54572 / rest-compatibility
• elasticsearch-pull-request #54554 / rest-compatibility

[elasticsearchmachine]

Pinging @elastic/es-core-infra (Team:Core/Infra)

[elasticsearchmachine]

Pinging @elastic/es-storage-engine (Team:StorageEngine)