From 28c464c65846b4d99a4b1440696e8dc75da2674e Mon Sep 17 00:00:00 2001
From: Uwe Schindler <uschindler@apache.org>
Date: Tue, 22 Nov 2011 20:18:43 +0000
Subject: [PATCH] LUCENE-3200: Add extra safety to MMapDirectory (as it could
 still use unmapped curBuf)!

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1205152 13f79535-47bb-0310-9956-ffa450edef68
---
 lucene/src/java/org/apache/lucene/store/MMapDirectory.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lucene/src/java/org/apache/lucene/store/MMapDirectory.java b/lucene/src/java/org/apache/lucene/store/MMapDirectory.java
index 229415f473c..02abe92c0da 100644
--- a/lucene/src/java/org/apache/lucene/store/MMapDirectory.java
+++ b/lucene/src/java/org/apache/lucene/store/MMapDirectory.java
@@ -412,6 +412,7 @@ public class MMapDirectory extends FSDirectory {
   
     @Override
     public void close() throws IOException {
+      curBuf = null; curBufIndex = 0;
       try {
         if (isClone || buffers == null) return;
         for (int bufNr = 0; bufNr < buffers.length; bufNr++) {