Do not copy latest to entity views when data was not saved on the main entity

application/src/main/java/org/thingsboard/server/service/telemetry/DefaultTelemetrySubscriptionService.java

@@ -151,7 +151,7 @@ public class DefaultTelemetrySubscriptionService extends AbstractSubscriptionSer
             addWsCallback(saveFuture, success -> onTimeSeriesUpdate(tenantId, entityId, request.getEntries()));
         }
         if (strategy.saveLatest()) {
-            copyLatestToEntityViews(tenantId, entityId, request.getEntries());
+            addMainCallback(saveFuture, __ -> copyLatestToEntityViews(tenantId, entityId, request.getEntries()));
         }
         return saveFuture;
     }
@@ -207,8 +207,8 @@ public class DefaultTelemetrySubscriptionService extends AbstractSubscriptionSer
     }
 
     private void copyLatestToEntityViews(TenantId tenantId, EntityId entityId, List<TsKvEntry> ts) {
-        if (EntityType.DEVICE.equals(entityId.getEntityType()) || EntityType.ASSET.equals(entityId.getEntityType())) {
-            Futures.addCallback(this.tbEntityViewService.findEntityViewsByTenantIdAndEntityIdAsync(tenantId, entityId),
+        if (entityId.getEntityType().isOneOf(EntityType.DEVICE, EntityType.ASSET)) {
+            Futures.addCallback(tbEntityViewService.findEntityViewsByTenantIdAndEntityIdAsync(tenantId, entityId),
                     new FutureCallback<>() {
                         @Override
                         public void onSuccess(@Nullable List<EntityView> result) {
@@ -312,6 +312,10 @@ public class DefaultTelemetrySubscriptionService extends AbstractSubscriptionSer
         addMainCallback(saveFuture, result -> callback.onSuccess(null), callback::onFailure);
     }
 
+    private <S> void addMainCallback(ListenableFuture<S> saveFuture, Consumer<S> onSuccess) {
+        DonAsynchron.withCallback(saveFuture, onSuccess, null, tsCallBackExecutor);
+    }
+
     private <S> void addMainCallback(ListenableFuture<S> saveFuture, Consumer<S> onSuccess, Consumer<Throwable> onFailure) {
         DonAsynchron.withCallback(saveFuture, onSuccess, onFailure, tsCallBackExecutor);
     }

application/src/test/java/org/thingsboard/server/service/telemetry/DefaultTelemetrySubscriptionServiceTest.java

@@ -71,6 +71,7 @@ import java.util.concurrent.ExecutorService;
 import java.util.stream.LongStream;
 import java.util.stream.Stream;
 
+import static com.google.common.util.concurrent.Futures.immediateFailedFuture;
 import static com.google.common.util.concurrent.Futures.immediateFuture;
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.mockito.BDDMockito.given;
@@ -318,6 +319,46 @@ class DefaultTelemetrySubscriptionServiceTest {
         then(subscriptionManagerService).shouldHaveNoInteractions();
     }
 
+    @Test
+    void shouldNotCopyLatestToEntityViewWhenTimeseriesSaveFailedOnMainEntity() {
+        // GIVEN
+        var entityView = new EntityView(new EntityViewId(UUID.randomUUID()));
+        entityView.setTenantId(tenantId);
+        entityView.setCustomerId(customerId);
+        entityView.setEntityId(entityId);
+        entityView.setKeys(new TelemetryEntityView(sampleTelemetry.stream().map(KvEntry::getKey).toList(), new AttributesEntityView()));
+
+        // mock that there is one entity view
+        lenient().when(tbEntityViewService.findEntityViewsByTenantIdAndEntityIdAsync(tenantId, entityId)).thenReturn(immediateFuture(List.of(entityView)));
+        // mock that save latest call for entity view is successful
+        lenient().when(tsService.saveLatest(tenantId, entityView.getId(), sampleTelemetry)).thenReturn(immediateFuture(listOfNNumbers(sampleTelemetry.size())));
+        // mock TPI for entity view
+        lenient().when(partitionService.resolve(ServiceType.TB_CORE, tenantId, entityView.getId())).thenReturn(tpi);
+
+        var request = TimeseriesSaveRequest.builder()
+                .tenantId(tenantId)
+                .customerId(customerId)
+                .entityId(entityId)
+                .entries(sampleTelemetry)
+                .ttl(sampleTtl)
+                .strategy(new TimeseriesSaveRequest.Strategy(true, true, false))
+                .callback(emptyCallback)
+                .build();
+
+        given(tsService.save(tenantId, entityId, sampleTelemetry, sampleTtl)).willReturn(immediateFailedFuture(new RuntimeException("failed to save latest on main entity")));
+
+        // WHEN
+        telemetryService.saveTimeseries(request);
+
+        // THEN
+        // should save only time series for the main entity
+        then(tsService).should().save(tenantId, entityId, sampleTelemetry, sampleTtl);
+        then(tsService).shouldHaveNoMoreInteractions();
+
+        // should not send any WS updates
+        then(subscriptionManagerService).shouldHaveNoInteractions();
+    }
+
     @ParameterizedTest
     @MethodSource("booleanCombinations")
     void shouldCallCorrectApiBasedOnBooleanFlagsInTheSaveRequest(boolean saveTimeseries, boolean saveLatest, boolean sendWsUpdate) {

common/data/src/main/java/org/thingsboard/server/common/data/EntityType.java

@@ -84,4 +84,16 @@ public enum EntityType {
         this.tableName = tableName;
     }
 
+    public boolean isOneOf(EntityType... types) {
+        if (types == null) {
+            return false;
+        }
+        for (EntityType type : types) {
+            if (this == type) {
+                return true;
+            }
+        }
+        return false;
+    }
+
 }

common/util/src/main/java/org/thingsboard/common/util/DonAsynchron.java

@@ -36,6 +36,9 @@ public class DonAsynchron {
         FutureCallback<T> callback = new FutureCallback<T>() {
             @Override
             public void onSuccess(T result) {
+                if (onSuccess == null) {
+                    return;
+                }
                 try {
                     onSuccess.accept(result);
                 } catch (Throwable th) {
@@ -45,6 +48,9 @@ public class DonAsynchron {
 
             @Override
             public void onFailure(Throwable t) {
+                if (onFailure == null) {
+                    return;
+                }
                 onFailure.accept(t);
             }
         };