[CI] UnsignedLongSyntheticSourceNativeArrayIntegrationTests testSynthesizeArrayRandom failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-intake #31673 / part2
• elasticsearch-pull-request #106364 / part-2
• elasticsearch-pull-request #106303 / part-2

Reproduction Line:

./gradlew ":x-pack:plugin:mapper-unsigned-long:test" --tests "org.elasticsearch.xpack.unsignedlong.UnsignedLongSyntheticSourceNativeArrayIntegrationTests.testSynthesizeArrayRandom" -Dtests.seed=A9697230BCE159DC -Dtests.locale=yue-CN -Dtests.timezone=Europe/Riga -Druntime.java=25

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.NullPointerException: Cannot invoke "org.apache.lucene.index.FieldInfo.getDocValuesType()" because "fieldInfo" is null

Issue Reasons:

• [main] 3 failures in test testSynthesizeArrayRandom (1.1% fail rate in 263 executions)
• [main] 2 failures in step part-2 (1.1% fail rate in 175 executions)
• [main] 2 failures in pipeline elasticsearch-pull-request (1.2% fail rate in 170 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] 3 failures in test testSynthesizeArrayRandom (1.1% fail rate in 263 executions)
• [main] 2 failures in step part-2 (1.1% fail rate in 175 executions)
• [main] 2 failures in pipeline elasticsearch-pull-request (1.2% fail rate in 170 executions)

Build Scans:

• elasticsearch-intake #31673 / part2
• elasticsearch-pull-request #106364 / part-2
• elasticsearch-pull-request #106303 / part-2

[elasticsearchmachine]

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