Fix TreeTransformer for Oracle.

dotCMS/src/main/java/com/dotcms/util/transform/TransformerLocator.java

@@ -3,7 +3,9 @@
 import com.dotmarketing.beans.Identifier;
 import com.dotmarketing.beans.Tree;
 import com.dotmarketing.beans.transform.IdentifierTransformer;
+import com.dotmarketing.beans.transform.OracleTreeTransformer;
 import com.dotmarketing.beans.transform.TreeTransformer;
+import com.dotmarketing.db.DbConnectionFactory;
 import com.dotmarketing.portlets.containers.model.Container;
 import com.dotmarketing.portlets.containers.transform.ContainerTransformer;
 import com.dotmarketing.portlets.contentlet.model.Contentlet;
@@ -147,6 +149,6 @@ public static IdentifierTransformer createIdentifierTransformer(
     public static TreeTransformer createTreeTransformer(
         List<Map<String, Object>> initList) {
 
-        return new TreeTransformer(initList);
+        return DbConnectionFactory.isOracle()?new OracleTreeTransformer(initList):new TreeTransformer(initList);
     }
 }

dotCMS/src/main/java/com/dotmarketing/beans/transform/OracleTreeTransformer.java

@@ -0,0 +1,25 @@
+package com.dotmarketing.beans.transform;
+
+import com.dotmarketing.beans.Tree;
+
+import java.math.BigDecimal;
+import java.util.List;
+import java.util.Map;
+
+public class OracleTreeTransformer extends TreeTransformer {
+
+    public OracleTreeTransformer(List<Map<String, Object>> list) {
+        super(list);
+    }
+
+    @Override
+    Tree toTree(Map<String, Object> map) {
+        Tree tree=new Tree();
+        tree.setParent((String)map.getOrDefault("parent", null));
+        tree.setChild((String)map.getOrDefault("child", null));
+        tree.setRelationType((String)map.getOrDefault("relation_type", null));
+        tree.setTreeOrder(((BigDecimal)map.getOrDefault("tree_order", 0)).intValue());
+
+        return tree;
+    }
+}

dotCMS/src/main/java/com/dotmarketing/beans/transform/TreeTransformer.java

@@ -29,7 +29,7 @@ public Tree findFirst() {
         return this.asList().stream().findFirst().orElse(new Tree());
     }
 
-    private Tree toTree (Map<String, Object> map){
+    Tree toTree (Map<String, Object> map){
 
         Tree tree=new Tree();
         tree.setParent((String)map.getOrDefault("parent", null));