[CI] FullClusterRestartDownsampleIT testRollupIndex {cluster=UPGRADED} failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-intake #13103 / 8.17.0_bwc-snapshots
• elasticsearch-intake #13103 / 9.0.0_bwc-snapshots
• elasticsearch-intake #13103 / 8.16.1_bwc-snapshots
• elasticsearch-periodic #4944 / 8.4.3_bwc
• elasticsearch-periodic #4944 / 8.2.3_bwc
• elasticsearch-periodic #4944 / 8.0.1_bwc
• elasticsearch-periodic #4944 / 8.3.3_bwc
• elasticsearch-periodic #4944 / 8.1.3_bwc
• elasticsearch-pull-request #42094 / 8.3.3_bwc
• elasticsearch-pull-request #42094 / 8.0.1_bwc

Reproduction Line:

./gradlew ":qa:full-cluster-restart:v8.17.0#bwcTest" -Dtests.class="org.elasticsearch.upgrades.FullClusterRestartDownsampleIT" -Dtests.method="testRollupIndex {cluster=UPGRADED}" -Dtests.seed=70A78454199DBA31 -Dtests.bwc=true -Dtests.locale=tk -Dtests.timezone=America/Kralendijk -Druntime.java=23

Applicable branches: main

Reproduces locally?: N/A

Failure History: See dashboard&_a=(controlGroupState:(initialChildControlState:('0c0c9cb8-ccd2-45c6-9b13-96bac4abc542':(dataViewId:fbbdc689-be23-4b3d-8057-aa402e9ed0c5,fieldName:task.keyword,order:0,selectedOptions:!(),title:'GradleTask',type:optionsListControl),'4e6ad9d6-6fdc-4fcc-bf1a-aa6ca79e0850':(dataViewId:fbbdc689-be23-4b3d-8057-aa402e9ed0c5,fieldName:className.keyword,order:1,selectedOptions:!(org.elasticsearch.upgrades.FullClusterRestartDownsampleIT),title:'Suite',type:optionsListControl),'144933da-5c1b-4257-a969-7f43455a7901':(dataViewId:fbbdc689-be23-4b3d-8057-aa402e9ed0c5,fieldName:name.keyword,order:2,selectedOptions:!(testRollupIndex%20%7Bcluster%3DUPGRADED%7D),title:'Test',type:optionsListControl)))))

Failure Message:

java.lang.NullPointerException: Cannot invoke "String.isEmpty()" because "rollup" is null

Issue Reasons:

• [main] 3 consecutive failures in step 8.4.3_bwc
• [main] 3 consecutive failures in step 8.2.3_bwc
• [main] 3 consecutive failures in step 8.0.1_bwc
• [main] 3 consecutive failures in step 8.3.3_bwc
• [main] 3 consecutive failures in step 8.1.3_bwc
• [main] 21 failures in test testRollupIndex {cluster=UPGRADED} (2.3% fail rate in 901 executions)
• [main] 2 failures in step 8.17.0_bwc-snapshots (0.9% fail rate in 228 executions)
• [main] 2 failures in step 9.0.0_bwc-snapshots (0.9% fail rate in 212 executions)
• [main] 2 failures in step 8.16.1_bwc-snapshots (0.8% fail rate in 238 executions)
• [main] 3 failures in step 8.4.3_bwc (100.0% fail rate in 3 executions)
• [main] 3 failures in step 8.2.3_bwc (100.0% fail rate in 3 executions)
• [main] 3 failures in step 8.0.1_bwc (100.0% fail rate in 3 executions)
• [main] 3 failures in step 8.3.3_bwc (100.0% fail rate in 3 executions)
• [main] 3 failures in step 8.1.3_bwc (100.0% fail rate in 3 executions)
• [main] 3 failures in pipeline elasticsearch-pull-request (1.4% fail rate in 216 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 consecutive failures in step 8.3.3_bwc
• [main] 3 consecutive failures in step 8.1.3_bwc
• [main] 2 consecutive failures in step 8.0.1_bwc
• [main] 2 consecutive failures in step 8.2.3_bwc
• [main] 2 consecutive failures in step 8.4.3_bwc
• [main] 15 failures in test testRollupIndex {cluster=UPGRADED} (1.8% fail rate in 852 executions)
• [main] 3 failures in step 8.3.3_bwc (100.0% fail rate in 3 executions)
• [main] 3 failures in step 8.1.3_bwc (100.0% fail rate in 3 executions)
• [main] 2 failures in step 8.0.1_bwc (100.0% fail rate in 2 executions)
• [main] 2 failures in step 8.2.3_bwc (100.0% fail rate in 2 executions)
• [main] 2 failures in step 8.4.3_bwc (100.0% fail rate in 2 executions)
• [main] 3 failures in pipeline elasticsearch-pull-request (1.4% fail rate in 212 executions)

Build Scans:

• elasticsearch-periodic #4944 / 8.3.3_bwc
• elasticsearch-periodic #4944 / 8.1.3_bwc
• elasticsearch-pull-request #42094 / 8.3.3_bwc
• elasticsearch-pull-request #42094 / 8.0.1_bwc
• elasticsearch-pull-request #42094 / 8.1.3_bwc
• elasticsearch-pull-request #42094 / 8.2.3_bwc
• elasticsearch-pull-request #42094 / 8.4.3_bwc
• elasticsearch-pull-request #42084 / 8.2.3_bwc
• elasticsearch-pull-request #42084 / 8.3.3_bwc
• elasticsearch-pull-request #42084 / 8.4.3_bwc

[elasticsearchmachine]

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