onShardResult and onShardFailure are executed on one shard causes opensearch jvm crashed (opensearch-project#12158)

* onShardResult and onShardFailure are executed on one shard causes opensearch jvm crashed

Signed-off-by: kkewwei <kkewwei@163.com>

* unit test

Signed-off-by: kkewwei <kkewwei@163.com>

* spotlessJavaCheck

Signed-off-by: kkewwei <kkewwei@163.com>

* rename variable names

Signed-off-by: kkewwei <kkewwei@163.com>

* add changelog

Signed-off-by: kkewwei <kkewwei@163.com>

---------

Signed-off-by: kkewwei <kkewwei@163.com>

Author: kkewwei

CHANGELOG.md

@@ -142,6 +142,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Warn about deprecated and ignored index.mapper.dynamic index setting ([#11193](https://github.com/opensearch-project/OpenSearch/pull/11193))
 - Fix `terms` query on `float` field when `doc_values` are turned off by reverting back to `FloatPoint` from `FloatField` ([#12499](https://github.com/opensearch-project/OpenSearch/pull/12499))
 - Fix get task API does not refresh resource stats ([#11531](https://github.com/opensearch-project/OpenSearch/pull/11531))
+- onShardResult and onShardFailure are executed on one shard causes opensearch jvm crashed ([#12158](https://github.com/opensearch-project/OpenSearch/pull/12158))
 
 ### Security
 

server/src/main/java/org/opensearch/action/search/AbstractSearchAsyncAction.java

@@ -286,6 +286,7 @@ private void performPhaseOnShard(final int shardIndex, final SearchShardIterator
             Runnable r = () -> {
                 final Thread thread = Thread.currentThread();
                 try {
+                    final SearchPhase phase = this;
                     executePhaseOnShard(shardIt, shard, new SearchActionListener<Result>(shard, shardIndex) {
                         @Override
                         public void innerOnResponse(Result result) {
@@ -299,7 +300,12 @@ public void innerOnResponse(Result result) {
                         @Override
                         public void onFailure(Exception t) {
                             try {
-                                onShardFailure(shardIndex, shard, shardIt, t);
+                                // It only happens when onPhaseDone() is called and executePhaseOnShard() fails hard with an exception.
+                                if (totalOps.get() == expectedTotalOps) {
+                                    onPhaseFailure(phase, "The phase has failed", t);
+                                } else {
+                                    onShardFailure(shardIndex, shard, shardIt, t);
+                                }
                             } finally {
                                 executeNext(pendingExecutions, thread);
                             }

server/src/test/java/org/opensearch/action/search/AbstractSearchAsyncActionTests.java

@@ -151,6 +151,7 @@ private AbstractSearchAsyncAction<SearchPhaseResult> createAction(
             listener,
             controlled,
             false,
+            false,
             expected,
             new SearchShardIterator(null, null, Collections.emptyList(), null)
         );
@@ -162,6 +163,7 @@ private AbstractSearchAsyncAction<SearchPhaseResult> createAction(
         ActionListener<SearchResponse> listener,
         final boolean controlled,
         final boolean failExecutePhaseOnShard,
+        final boolean catchExceptionWhenExecutePhaseOnShard,
         final AtomicLong expected,
         final SearchShardIterator... shards
     ) {
@@ -221,7 +223,15 @@ protected void executePhaseOnShard(
                 if (failExecutePhaseOnShard) {
                     listener.onFailure(new ShardNotFoundException(shardIt.shardId()));
                 } else {
-                    listener.onResponse(new QuerySearchResult());
+                    if (catchExceptionWhenExecutePhaseOnShard) {
+                        try {
+                            listener.onResponse(new QuerySearchResult());
+                        } catch (Exception e) {
+                            listener.onFailure(e);
+                        }
+                    } else {
+                        listener.onResponse(new QuerySearchResult());
+                    }
                 }
             }
 
@@ -509,6 +519,7 @@ public void onFailure(Exception e) {
             },
             false,
             true,
+            false,
             new AtomicLong(),
             shards
         );
@@ -555,6 +566,7 @@ public void onFailure(Exception e) {
             },
             false,
             false,
+            false,
             new AtomicLong(),
             shards
         );
@@ -570,7 +582,7 @@ public void onFailure(Exception e) {
         assertThat(searchResponse.getSuccessfulShards(), equalTo(shards.length));
     }
 
-    public void testExecutePhaseOnShardFailure() throws InterruptedException {
+    private void innerTestExecutePhaseOnShardFailure(boolean catchExceptionWhenExecutePhaseOnShard) throws InterruptedException {
         final Index index = new Index("test", UUID.randomUUID().toString());
 
         final SearchShardIterator[] shards = IntStream.range(0, 2 + randomInt(3))
@@ -606,6 +618,7 @@ public void onFailure(Exception e) {
             },
             false,
             false,
+            catchExceptionWhenExecutePhaseOnShard,
             new AtomicLong(),
             shards
         );
@@ -621,6 +634,14 @@ public void onFailure(Exception e) {
         assertThat(searchResponse.getSuccessfulShards(), equalTo(shards.length));
     }
 
+    public void testExecutePhaseOnShardFailure() throws InterruptedException {
+        innerTestExecutePhaseOnShardFailure(false);
+    }
+
+    public void testExecutePhaseOnShardFailureAndThrowException() throws InterruptedException {
+        innerTestExecutePhaseOnShardFailure(true);
+    }
+
     public void testOnPhaseListenersWithQueryAndThenFetchType() throws InterruptedException {
         ClusterSettings clusterSettings = new ClusterSettings(Settings.EMPTY, ClusterSettings.BUILT_IN_CLUSTER_SETTINGS);
         SearchRequestStats testListener = new SearchRequestStats(clusterSettings);