add JacksonUtil.toJsonNode

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

@@ -224,7 +224,7 @@ public class JacksonUtil {
             kvEntry.getLongValue().ifPresent(value -> entityNode.put(key, value));
         } else if (kvEntry.getDataType() == DataType.JSON) {
             if (kvEntry.getJsonValue().isPresent()) {
-                entityNode.set(key, JacksonUtil.valueToTree(kvEntry.getJsonValue().get()));
+                entityNode.set(key, JacksonUtil.toJsonNode(kvEntry.getJsonValue().get()));
             }
         } else {
             entityNode.put(key, kvEntry.getValueAsString());

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/metadata/TbAbstractGetAttributesNode.java

@@ -171,7 +171,7 @@ public abstract class TbAbstractGetAttributesNode<C extends TbGetAttributesNodeC
         ObjectNode value = JacksonUtil.newObjectNode();
         value.put(TS, tsKvEntry.getTs());
         JacksonUtil.addKvEntry(value, tsKvEntry, VALUE);
-        return new BasicTsKvEntry(tsKvEntry.getTs(), new JsonDataEntry(tsKvEntry.getKey(), value.toString()));
+        return new BasicTsKvEntry(tsKvEntry.getTs(), new JsonDataEntry(tsKvEntry.getKey(), JacksonUtil.toString(value)));
     }
 
     private String getPrefix(String scope) {