From ad9d7df1c3c246311e8f8ac7f4d8dcfca25f3fc7 Mon Sep 17 00:00:00 2001
From: "Vladislav.Soroka" <Vladislav.Soroka@jetbrains.com>
Date: Wed, 25 May 2016 17:04:23 +0300
Subject: [PATCH] maven: possible NPE fix

---
 .../java/org/jetbrains/idea/maven/indices/MavenIndex.java     | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/plugins/maven/src/main/java/org/jetbrains/idea/maven/indices/MavenIndex.java b/plugins/maven/src/main/java/org/jetbrains/idea/maven/indices/MavenIndex.java
index b712f72ec722..e3abb152be94 100644
--- a/plugins/maven/src/main/java/org/jetbrains/idea/maven/indices/MavenIndex.java
+++ b/plugins/maven/src/main/java/org/jetbrains/idea/maven/indices/MavenIndex.java
@@ -394,7 +394,9 @@ public class MavenIndex {
         myUpdateTimestamp = System.currentTimeMillis();
       }
 
-      oldData.close(true);
+      if(oldData != null) {
+        oldData.close(true);
+      }
 
       for (File each : FileUtil.notNullize(myDir.listFiles())) {
         if (each.getName().startsWith(DATA_DIR_PREFIX) && !each.getName().equals(myDataDirName)) {