From f10693f02eac71cda69bfdd691704f6bfae3cb82 Mon Sep 17 00:00:00 2001
From: Kirill Likhodedov <Kirill.Likhodedov@jetbrains.com>
Date: Tue, 31 Oct 2017 10:55:55 +0300
Subject: [PATCH] Access project file index under read action with dispose
 check EA-110375

---
 .../vcs/impl/ProjectLevelVcsManagerImpl.java     | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/platform/vcs-impl/src/com/intellij/openapi/vcs/impl/ProjectLevelVcsManagerImpl.java b/platform/vcs-impl/src/com/intellij/openapi/vcs/impl/ProjectLevelVcsManagerImpl.java
index a1836efc3e59..ecbe0572c6c0 100644
--- a/platform/vcs-impl/src/com/intellij/openapi/vcs/impl/ProjectLevelVcsManagerImpl.java
+++ b/platform/vcs-impl/src/com/intellij/openapi/vcs/impl/ProjectLevelVcsManagerImpl.java
@@ -846,12 +846,16 @@ public class ProjectLevelVcsManagerImpl extends ProjectLevelVcsManagerEx impleme
 
   @Override
   public boolean isIgnored(VirtualFile vf) {
-    if (Registry.is("ide.hide.excluded.files")) {
-      return myExcludedIndex.isExcludedFile(vf);
-    }
-    else {
-      return myExcludedIndex.isUnderIgnored(vf);
-    }
+    return ReadAction.compute(() -> {
+      if (myProject.isDisposed()) return false;
+
+      if (Registry.is("ide.hide.excluded.files")) {
+        return myExcludedIndex.isExcludedFile(vf);
+      }
+      else {
+        return myExcludedIndex.isUnderIgnored(vf);
+      }
+    });
   }
 
   private boolean isInDirectoryBasedRoot(@Nullable VirtualFile file) {