Improvement to deserialization and remove debug on dashboards

@@ -17,7 +17,7 @@
         },
         "type": "org.thingsboard.rule.engine.filter.TbJsFilterNode",
         "name": "Is Thermostat?",
-        "debugMode": true,
+        "debugMode": false,
         "configuration": {
           "jsScript": "return msg.id.entityType === \"DEVICE\" && msg.type === \"thermostat\";"
         }
@@ -113,7 +113,7 @@
         },
         "type": "org.thingsboard.rule.engine.action.TbCreateRelationNode",
         "name": "Relate to Asset",
-        "debugMode": true,
+        "debugMode": false,
         "configuration": {
           "direction": "FROM",
           "relationType": "ToAlarmPropagationAsset",

@@ -81,7 +81,7 @@
         },
         "type": "org.thingsboard.rule.engine.filter.TbJsSwitchNode",
         "name": "Check Alarms",
-        "debugMode": true,
+        "debugMode": false,
         "configuration": {
           "jsScript": "var relations = [];\nif(metadata[\"ss_alarmTemperature\"] === \"true\"){\n    if(msg.temperature > metadata[\"ss_thresholdTemperature\"]){\n        relations.push(\"NewTempAlarm\");\n    } else {\n        relations.push(\"ClearTempAlarm\");\n    }\n}\nif(metadata[\"ss_alarmHumidity\"] === \"true\"){\n    if(msg.humidity < metadata[\"ss_thresholdHumidity\"]){\n        relations.push(\"NewHumidityAlarm\");\n    } else {\n        relations.push(\"ClearHumidityAlarm\");\n    }\n}\n\nreturn relations;"
         }
@@ -93,7 +93,7 @@
         },
         "type": "org.thingsboard.rule.engine.metadata.TbGetAttributesNode",
         "name": "Fetch Configuration",
-        "debugMode": true,
+        "debugMode": false,
         "configuration": {
           "clientAttributeNames": [],
           "sharedAttributeNames": [],

@@ -27,6 +27,7 @@ import org.thingsboard.server.common.data.id.RuleNodeId;
 import org.thingsboard.server.common.msg.gen.MsgProtos;
 import org.thingsboard.server.common.msg.queue.TbMsgCallback;
 
+import java.io.IOException;
 import java.io.Serializable;
 import java.util.UUID;
 
@@ -47,7 +48,7 @@ public final class TbMsg implements Serializable {
     private final RuleChainId ruleChainId;
     private final RuleNodeId ruleNodeId;
     //This field is not serialized because we use queues and there is no need to do it
-    private final TbMsgCallback callback;
+    transient private final TbMsgCallback callback;
 
     public static TbMsg newMsg(String type, EntityId originator, TbMsgMetaData metaData, String data) {
         return new TbMsg(UUID.randomUUID(), type, originator, metaData.copy(), TbMsgDataType.JSON, data, null, null, TbMsgCallback.EMPTY);
@@ -156,4 +157,13 @@ public final class TbMsg implements Serializable {
     public TbMsg copyWithRuleNodeId(RuleChainId ruleChainId, RuleNodeId ruleNodeId) {
         return new TbMsg(this.id, this.type, this.originator, this.metaData, this.dataType, this.data, ruleChainId, ruleNodeId, callback);
     }
+
+    public TbMsgCallback getCallback() {
+        //May be null in case of deserialization;
+        if (callback != null) {
+            return callback;
+        } else {
+            return TbMsgCallback.EMPTY;
+        }
+    }
 }