[AUTOCUT] Gradle Check Flaky Test Report for SimpleSearchIT

[opensearch-ci-bot]

Flaky Test Report for SimpleSearchIT

Noticed the SimpleSearchIT has some flaky, failing tests that failed during post-merge actions.

Details

Git Reference	Merged Pull Request	Build Details	Test Name
d37cc9b	16831	51449	org.opensearch.search.simple.SimpleSearchIT.classMethod

The other pull requests, besides those involved in post-merge actions, that contain failing tests with the SimpleSearchIT class are:

• 13172

For more details on the failed tests refer to OpenSearch Gradle Check Metrics dashboard.

[sandeshkr419]

Looking into build logs:

[2024-12-16T08:20:25,037][ERROR][o.o.i.s.IndexShard       ] [node_t0] [test][0] Error Fetching SegmentInfos and latest checkpoint
org.apache.lucene.store.AlreadyClosedException: engine is closed
	at org.opensearch.index.shard.IndexShard.getEngine(IndexShard.java:3728) ~[main/:?]
	at org.opensearch.index.shard.IndexShard.getSegmentInfosSnapshot(IndexShard.java:5367) ~[main/:?]
	at org.opensearch.index.shard.IndexShard.getLatestSegmentInfosAndCheckpoint(IndexShard.java:1728) [main/:?]
	at org.opensearch.index.shard.IndexShard.updateReplicationCheckpoint(IndexShard.java:4868) [main/:?]
	at org.opensearch.index.shard.IndexShard$ReplicationCheckpointUpdater.afterRefresh(IndexShard.java:4862) [main/:?]
	at org.apache.lucene.search.ReferenceManager.notifyRefreshListenersRefreshed(ReferenceManager.java:275) [lucene-core-9.12.0.jar:9.12.0 e913796758de3d9b9440669384b29bec07e6a5cd - 2024-09-25 16:37:02]
	at org.apache.lucene.search.ReferenceManager.doMaybeRefresh(ReferenceManager.java:182) [lucene-core-9.12.0.jar:9.12.0 e913796758de3d9b9440669384b29bec07e6a5cd - 2024-09-25 16:37:02]
	at org.apache.lucene.search.ReferenceManager.maybeRefreshBlocking(ReferenceManager.java:240) [lucene-core-9.12.0.jar:9.12.0 e913796758de3d9b9440669384b29bec07e6a5cd - 2024-09-25 16:37:02]
	at org.opensearch.index.engine.InternalEngine.refresh(InternalEngine.java:1771) [main/:?]
	at org.opensearch.index.engine.InternalEngine.flush(InternalEngine.java:1886) [main/:?]
	at org.opensearch.index.engine.Engine.flush(Engine.java:1214) [main/:?]
	at org.opensearch.index.engine.Engine.flushAndClose(Engine.java:2002) [main/:?]
	at org.opensearch.index.shard.IndexShard.close(IndexShard.java:2056) [main/:?]
	at org.opensearch.index.IndexService.closeShard(IndexService.java:805) [main/:?]
	at org.opensearch.index.IndexService.removeShard(IndexService.java:781) [main/:?]
	at org.opensearch.index.IndexService.close(IndexService.java:495) [main/:?]
	at org.opensearch.indices.IndicesService.removeIndex(IndicesService.java:1160) [main/:?]
	at org.opensearch.indices.cluster.IndicesClusterStateService.removeIndices(IndicesClusterStateService.java:443) [main/:?]
	at org.opensearch.indices.cluster.IndicesClusterStateService.applyClusterState(IndicesClusterStateService.java:284) [main/:?]
	at org.opensearch.cluster.service.ClusterApplierService.callClusterStateAppliers(ClusterApplierService.java:637) [main/:?]
	at org.opensearch.cluster.service.ClusterApplierService.callClusterStateAppliers(ClusterApplierService.java:623) [main/:?]
	at org.opensearch.cluster.service.ClusterApplierService.applyChanges(ClusterApplierService.java:589) [main/:?]
	at org.opensearch.cluster.service.ClusterApplierService.runTask(ClusterApplierService.java:510) [main/:?]
	at org.opensearch.cluster.service.ClusterApplierService$UpdateTask.run(ClusterApplierService.java:205) [main/:?]
	at org.opensearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:932) [main/:?]
	at org.opensearch.common.util.concurrent.PrioritizedOpenSearchThreadPoolExecutor$TieBreakingPrioritizedRunnable.runAndClean(PrioritizedOpenSearchThreadPoolExecutor.java:283) [main/:?]
	at org.opensearch.common.util.concurrent.PrioritizedOpenSearchThreadPoolExecutor$TieBreakingPrioritizedRunnable.run(PrioritizedOpenSearchThreadPoolExecutor.java:246) [main/:?]
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) [?:?]
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) [?:?]
	at java.base/java.lang.Thread.run(Thread.java:1575) [?:?]
[2024-12-16T08:20:25,057][WARN ][o.o.c.r.a.AllocationService] [node_t0] Falling back to single shard assignment since batch mode 

From initial look, it looks more like OpenSearch process failure or corrupted index failure.