HCOLL-161 eliminated inconsistency between VanillaChronicleMap and DirectBytesBuffer serializers

src/main/java/net/openhft/chronicle/map/ChronicleMapBuilder.java

@@ -823,7 +823,8 @@ public class ChronicleMapBuilder<K, V> implements Cloneable {
 
     public ChronicleMap<K, V> create() throws IOException {
         VanillaChronicleMap<K, ?, ?, V, ?, ?> map = newMap();
-        BytesStore bytesStore = new DirectStore(objectSerializer(), map.sizeInBytes(), true);
+        BytesStore bytesStore = new DirectStore(JDKObjectSerializer.INSTANCE,
+                map.sizeInBytes(), true);
         map.createMappedStoreAndSegments(bytesStore);
         return establishReplication(map);
     }

src/main/java/net/openhft/chronicle/map/VanillaChronicleMap.java

@@ -200,7 +200,7 @@ class VanillaChronicleMap<K, KI, MKI extends MetaBytesInterop<K, KI>,
 
     long createMappedStoreAndSegments(File file) throws IOException {
         return createMappedStoreAndSegments(new MappedStore(file, FileChannel.MapMode.READ_WRITE,
-                sizeInBytes(), objectSerializer));
+                sizeInBytes(), JDKObjectSerializer.INSTANCE));
     }
 
     private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {