minor fix in ridbag tree deferred delete
@@ -193,7 +193,9 @@ public class OSBTreeCollectionManagerShared extends OSBTreeCollectionManagerAbst
} else {
fileName = atomicOperation.fileNameById(collectionPointer.getFileId());
}
-
+ if (fileName == null) {
+ return null;
+ }
OSBTreeBonsaiLocal<OIdentifiable, Integer> tree = new OSBTreeBonsaiLocal<>(
fileName.substring(0, fileName.length() - DEFAULT_EXTENSION.length()), DEFAULT_EXTENSION, storage);
