Merge branch 'develop/2.0' of github.com:thingsboard/thingsboard into develop/2.0

@@ -62,7 +62,7 @@ public abstract class TbAbstractAlarmNode<C extends TbAbstractAlarmNodeConfigura
                         ctx.tellNext(toAlarmMsg(ctx, alarmResult, msg), "Cleared");
                     }
                 },
-                t -> ctx.tellFailure(msg, t));
+                t -> ctx.tellFailure(msg, t), ctx.getDbCallbackExecutor());
     }
 
     protected abstract ListenableFuture<AlarmResult> processAlarm(TbContext ctx, TbMsg msg);

@@ -70,7 +70,7 @@ public abstract class TbAbstractGetAttributesNode<C extends TbGetAttributesNodeC
                 putAttrAsync(ctx, entityId, msg, SHARED_SCOPE, config.getSharedAttributeNames(), "shared_"),
                 putAttrAsync(ctx, entityId, msg, SERVER_SCOPE, config.getServerAttributeNames(), "ss_")
         );
-        withCallback(allFutures, i -> ctx.tellNext(msg, SUCCESS), t -> ctx.tellFailure(msg, t));
+        withCallback(allFutures, i -> ctx.tellNext(msg, SUCCESS), t -> ctx.tellFailure(msg, t), ctx.getDbCallbackExecutor());
     }
 
     private ListenableFuture<Void> putAttrAsync(TbContext ctx, EntityId entityId, TbMsg msg, String scope, List<String> keys, String prefix) {

@@ -54,7 +54,7 @@ public abstract class TbEntityGetAttrNode<T extends EntityId> implements TbNode
             withCallback(
                     findEntityAsync(ctx, msg.getOriginator()),
                     entityId -> safeGetAttributes(ctx, msg, entityId),
-                    t -> ctx.tellFailure(msg, t));
+                    t -> ctx.tellFailure(msg, t), ctx.getDbCallbackExecutor());
         } catch (Throwable th) {
             ctx.tellFailure(msg, th);
         }
@@ -68,7 +68,7 @@ public abstract class TbEntityGetAttrNode<T extends EntityId> implements TbNode
 
         withCallback(config.isTelemetry() ? getLatestTelemetry(ctx, entityId) : getAttributesAsync(ctx, entityId),
                 attributes -> putAttributesAndTell(ctx, msg, attributes),
-                t -> ctx.tellFailure(msg, t));
+                t -> ctx.tellFailure(msg, t), ctx.getDbCallbackExecutor());
     }
 
     private ListenableFuture<List<KvEntry>> getAttributesAsync(TbContext ctx, EntityId entityId) {

@@ -69,7 +69,7 @@ public class TbChangeOriginatorNode extends TbAbstractTransformNode {
                 return null;
             }
             return ctx.transformMsg(msg, msg.getType(), n, msg.getMetaData(), msg.getData());
-        });
+        }, ctx.getDbCallbackExecutor());
     }
 
     private ListenableFuture<? extends EntityId> getNewOriginator(TbContext ctx, EntityId original) {