From 6e26e2c27aa6eeac22daac78d74df26046fca677 Mon Sep 17 00:00:00 2001
From: Alexey Kudravtsev <cdr@intellij.com>
Date: Fri, 15 Jun 2012 13:50:23 +0400
Subject: [PATCH] EA-36666

---
 .../vfs/impl/VirtualFilePointerManagerImpl.java      | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/platform/platform-impl/src/com/intellij/openapi/vfs/impl/VirtualFilePointerManagerImpl.java b/platform/platform-impl/src/com/intellij/openapi/vfs/impl/VirtualFilePointerManagerImpl.java
index e92039ec2039..5b905620ae69 100644
--- a/platform/platform-impl/src/com/intellij/openapi/vfs/impl/VirtualFilePointerManagerImpl.java
+++ b/platform/platform-impl/src/com/intellij/openapi/vfs/impl/VirtualFilePointerManagerImpl.java
@@ -375,9 +375,9 @@ public class VirtualFilePointerManagerImpl extends VirtualFilePointerManager imp
     return virtualFilePointerContainer;
   }
 
-  @Nullable private List<EventDescriptor> myEvents = null;
-  @Nullable private List<FilePointerPartNode> myPointersToUpdateUrl = null;
-  @Nullable private List<FilePointerPartNode> myPointersToFire = null;
+  @Nullable private List<EventDescriptor> myEvents = Collections.emptyList();
+  @Nullable private List<FilePointerPartNode> myPointersToUpdateUrl = Collections.emptyList();
+  @Nullable private List<FilePointerPartNode> myPointersToFire = Collections.emptyList();
 
   @Override
   public void before(@NotNull final List<? extends VFileEvent> events) {
@@ -501,9 +501,9 @@ public class VirtualFilePointerManagerImpl extends VirtualFilePointerManager imp
       myBus.syncPublisher(VirtualFilePointerListener.TOPIC).validityChanged(pointersToFireArray);
     }
 
-    myPointersToUpdateUrl = null;
-    myEvents = null;
-    myPointersToFire = null;
+    myPointersToUpdateUrl = Collections.emptyList();
+    myEvents = Collections.emptyList();
+    myPointersToFire = Collections.emptyList();
     for (FilePointerPartNode root : myPointers.values()) {
       root.checkStructure();
     }