Fix exception on missing class name in custom object

Author: lojzatran

README.md

@@ -210,7 +210,7 @@ Example:
 ##### Download
 
 ```bash
-docker pull commercetools/commercetools-project-sync:5.4.5
+docker pull commercetools/commercetools-project-sync:5.4.6
 ```
 ##### Run
 
@@ -222,14 +222,14 @@ docker run \
 -e TARGET_PROJECT_KEY=xxxx \
 -e TARGET_CLIENT_ID=xxxx \
 -e TARGET_CLIENT_SECRET=xxxx \
-commercetools/commercetools-project-sync:5.4.5 -s all
+commercetools/commercetools-project-sync:5.4.6 -s all
 ```
 
 
 ### Examples
  - To run the all sync modules from a source project to a target project
    ```bash
-   docker run commercetools/commercetools-project-sync:5.4.5 -s all
+   docker run commercetools/commercetools-project-sync:5.4.6 -s all
    ```
    This will run the following sync modules in the given order:
  1. `Type` Sync and `ProductType` Sync and `States` Sync and `TaxCategory` Sync and `CustomObject` Sync in parallel.
@@ -239,70 +239,70 @@ commercetools/commercetools-project-sync:5.4.5 -s all
 
  - To run the type sync
    ```bash
-   docker run commercetools/commercetools-project-sync:5.4.5 -s types
+   docker run commercetools/commercetools-project-sync:5.4.6 -s types
    ```
 
  - To run the productType sync
    ```bash
-   docker run commercetools/commercetools-project-sync:5.4.5 -s productTypes
+   docker run commercetools/commercetools-project-sync:5.4.6 -s productTypes
    ```
 
 - To run the states sync
    ```bash
-   docker run commercetools/commercetools-project-sync:5.4.5 -s states
+   docker run commercetools/commercetools-project-sync:5.4.6 -s states
    ```
 - To run the taxCategory sync
    ```bash
-   docker run commercetools/commercetools-project-sync:5.4.5 -s taxCategories
+   docker run commercetools/commercetools-project-sync:5.4.6 -s taxCategories
    ```
 
 - To run the category sync
    ```bash
-   docker run commercetools/commercetools-project-sync:5.4.5 -s categories
+   docker run commercetools/commercetools-project-sync:5.4.6 -s categories
    ```
 
 - To run the product sync
    ```bash
-   docker run commercetools/commercetools-project-sync:5.4.5 -s products
+   docker run commercetools/commercetools-project-sync:5.4.6 -s products
    ```
 
 - To run the cartDiscount sync
    ```bash
-   docker run commercetools/commercetools-project-sync:5.4.5 -s cartDiscounts
+   docker run commercetools/commercetools-project-sync:5.4.6 -s cartDiscounts
    ```
 
 - To run the inventoryEntry sync
    ```bash
-   docker run commercetools/commercetools-project-sync:5.4.5 -s inventoryEntries
+   docker run commercetools/commercetools-project-sync:5.4.6 -s inventoryEntries
    ```
 
 - To run the customObject sync
    ```bash
-   docker run commercetools/commercetools-project-sync:5.4.5 -s customObjects
+   docker run commercetools/commercetools-project-sync:5.4.6 -s customObjects
    ```
 
 - To run the customer sync
    ```bash
-   docker run commercetools/commercetools-project-sync:5.4.5 -s customers
+   docker run commercetools/commercetools-project-sync:5.4.6 -s customers
    ```
 
 - To run the shoppingList sync
    ```bash
-   docker run commercetools/commercetools-project-sync:5.4.5 -s shoppingLists
+   docker run commercetools/commercetools-project-sync:5.4.6 -s shoppingLists
    ```
 - To run both products and shoppingList sync
    ```bash
-   docker run commercetools/commercetools-project-sync:5.4.5 -s products shoppingLists
+   docker run commercetools/commercetools-project-sync:5.4.6 -s products shoppingLists
    ```
 
 - To run type, productType and shoppingList sync
    ```bash
-   docker run commercetools/commercetools-project-sync:5.4.5 -s types productTypes shoppingLists
+   docker run commercetools/commercetools-project-sync:5.4.6 -s types productTypes shoppingLists
    ```
 
 - To run all sync modules using a runner name
    ```bash
-   docker run commercetools/commercetools-project-sync:5.4.5 -s all -r myRunnerName
+   docker run commercetools/commercetools-project-sync:5.4.6 -s all -r myRunnerName
    ```
 
 ## Scopes

src/main/java/com/commercetools/project/sync/BaseSyncStatisticsDeserializer.java

@@ -25,8 +25,12 @@ public BaseSyncStatistics deserialize(JsonParser jsonParser, DeserializationCont
     final ObjectMapper mapper = (ObjectMapper) jsonParser.getCodec();
     final JsonNode syncStatisticsNode = mapper.readTree(jsonParser);
     try {
-      final String syncStatisticsClassName =
-          syncStatisticsNode.get("syncStatisticsClassName").asText();
+      final JsonNode syncStatisticsClassNameJsonNode =
+          syncStatisticsNode.get("syncStatisticsClassName");
+      if (syncStatisticsClassNameJsonNode == null) {
+        throw new ClassNotFoundException();
+      }
+      final String syncStatisticsClassName = syncStatisticsClassNameJsonNode.asText();
       final Class<? extends BaseSyncStatistics> c =
           Class.forName(syncStatisticsClassName).asSubclass(BaseSyncStatistics.class);
       return mapper.treeToValue(syncStatisticsNode, c);