Build Scans:

• elasticsearch-periodic-platform-support #9731 / debian-12_platform-support-unix
• elasticsearch-pull-request #83853 / rest-compatibility
• elasticsearch-pull-request #83808 / rest-compatibility
• elasticsearch-pull-request #83769 / rest-compatibility

Reproduction Line:

./gradlew ":modules:data-streams:yamlRestTest" --tests "org.elasticsearch.datastreams.DataStreamsClientYamlTestSuiteIT.test {p0=data_stream/10_basic/Create hidden data stream with match all template}" -Dtests.seed=FBBCEB710366F0FC -Dtests.locale=ro -Dtests.timezone=Asia/Thimbu -Druntime.java=24

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.AssertionError: Failure at [data_stream/10_basic:1255]: field [data_streams] doesn't have length [1]
Expected: <1>
     but: was <2>

Issue Reasons:

• [main] 4 failures in test test {p0=data_stream/10_basic/Create hidden data stream with match all template} (1.1% fail rate in 358 executions)
• [main] 3 failures in step rest-compatibility (2.8% fail rate in 107 executions)
• [main] 3 failures in pipeline elasticsearch-pull-request (2.7% fail rate in 110 executions)

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