Build Scans:

• elasticsearch-intake #26239 / part1
• elasticsearch-pull-request #83363 / part-1
• elasticsearch-pull-request #83347 / part-1
• elasticsearch-intake #26204 / part1

Reproduction Line:

./gradlew ":server:internalClusterTest" --tests "org.elasticsearch.index.mapper.vectors.DenseVectorFieldIndexTypeUpdateIT.testDenseVectorMappingUpdate {initialType=flat updateType=hnsw}" -Dtests.seed=FAB689F077978CBF -Dtests.locale=ar-SD -Dtests.timezone=Etc/GMT+5 -Druntime.java=24

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.AssertionError: Count is 0 hits but 2 was expected.  Total shards: 1 Successful shards: 1 & 0 shard failures:

Issue Reasons:

• [main] 4 failures in test testDenseVectorMappingUpdate {initialType=flat updateType=hnsw} (5.4% fail rate in 74 executions)
• [main] 2 failures in step part1 (8.3% fail rate in 24 executions)
• [main] 2 failures in step part-1 (4.0% fail rate in 50 executions)
• [main] 2 failures in pipeline elasticsearch-intake (8.3% fail rate in 24 executions)
• [main] 2 failures in pipeline elasticsearch-pull-request (4.1% fail rate in 49 executions)

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