diff -r dcd278f02e67 -r 70bda9184158 lucene/src/luan/modules/lucene/LuceneIndex.java
--- a/lucene/src/luan/modules/lucene/LuceneIndex.java	Wed May 27 03:13:30 2015 -0600
+++ b/lucene/src/luan/modules/lucene/LuceneIndex.java	Wed May 27 03:20:01 2015 -0600
@@ -48,6 +48,7 @@
 	private LuceneSearcher searcher;
 	public final FieldTable fields = new FieldTable();
 	private boolean isClosed = false;
+	private final Runnable closer;
 
 	public LuceneIndex(LuanState luan,String indexDirStr) throws LuanException, IOException {
 		File indexDir = new File(indexDirStr);
@@ -61,13 +62,14 @@
 		writer = new IndexWriter(dir,conf);
 		writer.commit();  // commit index creation
 		reader = DirectoryReader.open(dir);
-		luan.onClose(new Runnable(){public void run() {
+		closer = new Runnable(){public void run(){
 			try {
 				close();
 			} catch(IOException e) {
 				logger.error("",e);
 			}
-		}});
+		}};
+		luan.onClose(closer);
 		searcher = new LuceneSearcher(this,reader);
 		initId(luan);
 	}