Build Scans:

• elasticsearch-periodic-platform-support #4466 / sles-12_platform-support-unix
• elasticsearch-periodic-platform-support #4466 / rhel-7_platform-support-unix
• elasticsearch-periodic-platform-support #4456 / rhel-8_platform-support-unix
• elasticsearch-periodic-platform-support #4416 / rhel-8_platform-support-unix
• elasticsearch-periodic-platform-support #4411 / almalinux-8_platform-support-unix
• elasticsearch-periodic-platform-support #4411 / amazonlinux-2_platform-support-aws
• elasticsearch-periodic #4431 / single-processor-node-tests
• elasticsearch-periodic #4431 / concurrent-search-tests
• elasticsearch-periodic-platform-support #4399 / rhel-9_platform-support-unix
• elasticsearch-periodic-platform-support #4390 / oraclelinux-8_platform-support-unix

Reproduction Line:

./gradlew ':x-pack:plugin:esql:internalClusterTest' --tests "org.elasticsearch.xpack.esql.action.ManyShardsIT.testConcurrentQueries" -Dtests.seed=C4B16D06CF24A317 -Dtests.locale=kok-IN -Dtests.timezone=Europe/Zurich -Druntime.java=22

Applicable branches:
8.15

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.AssertionError: Leftover exchanges ExchangeService{sinks=[K18LjY9AQsaSbLg8amlMxQ:228]} on node node_s0

Issue Reasons:

• [8.15] 2 consecutive failures in test testRejection
• [8.15] 12 failures in test testRejection (2.2% fail rate in 540 executions)
• [8.15] 2 failures in step rhel-7_platform-support-unix (11.1% fail rate in 18 executions)
• [8.15] 2 failures in step oraclelinux-8_platform-support-unix (12.5% fail rate in 16 executions)
• [8.15] 2 failures in step rhel-8_platform-support-unix (11.8% fail rate in 17 executions)
• [8.15] 7 failures in pipeline elasticsearch-periodic-platform-support (38.9% fail rate in 18 executions)

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