Build Scans:

• elasticsearch-periodic #10906 / concurrent-search-tests
• elasticsearch-periodic #10875 / concurrent-search-tests
• elasticsearch-pull-request #95335 / part-1

Reproduction Line:

./gradlew ":test:external-modules:test-esql-heap-attack:javaRestTest" --tests "org.elasticsearch.xpack.esql.heap_attack.HeapAttackIT.testGroupOnManyLongs" -Dtests.seed=B9B6C1BFE31CF754 -Dtests.jvm.argline="-Des.concurrent_search=true" -Dtests.locale=ksb-Latn-TZ -Dtests.timezone=Asia/Kathmandu -Druntime.java=25 

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.net.ConnectException: Connection refused 

Issue Reasons:

• [main] 3 failures in class org.elasticsearch.xpack.esql.heap_attack.HeapAttackIT (0.8% fail rate in 353 executions)
• [main] 2 failures in step concurrent-search-tests (22.2% fail rate in 9 executions)
• [main] 2 failures in pipeline elasticsearch-periodic (22.2% fail rate in 9 executions)

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