Validation/Standardization logic.  Fix HCateDataType change
@@ -323,7 +323,7 @@ public class HCatDataType implements Cloneable, Serializable {
}
}
} else {
- if (val.getClass() == convertibleType) {
+ if (val == null || val != null && val.getClass() == convertibleType) {
return true;
} else {
return false;
