From ba71a3cb93f68e6ece5ed27fc30295527bcea0ee Mon Sep 17 00:00:00 2001
From: Anna Kozlova <anna.kozlova@jetbrains.com>
Date: Fri, 21 Nov 2014 16:39:21 +0100
Subject: [PATCH] validity check under read action

---
 .../com/intellij/refactoring/memberPullUp/PullUpProcessor.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/java/java-impl/src/com/intellij/refactoring/memberPullUp/PullUpProcessor.java b/java/java-impl/src/com/intellij/refactoring/memberPullUp/PullUpProcessor.java
index 353898cafe51..bfa99d3228c5 100644
--- a/java/java-impl/src/com/intellij/refactoring/memberPullUp/PullUpProcessor.java
+++ b/java/java-impl/src/com/intellij/refactoring/memberPullUp/PullUpProcessor.java
@@ -147,13 +147,13 @@ public class PullUpProcessor extends BaseRefactoringProcessor implements PullUpD
   }
 
   private void processMethodsDuplicates() {
-    if (!myTargetSuperClass.isValid()) return;
     ProgressManager.getInstance().runProcessWithProgressSynchronously(new Runnable() {
       @Override
       public void run() {
         ApplicationManager.getApplication().runReadAction(new Runnable() {
           @Override
           public void run() {
+            if (!myTargetSuperClass.isValid()) return;
             final Query<PsiClass> search = ClassInheritorsSearch.search(myTargetSuperClass);
             final Set<VirtualFile> hierarchyFiles = new HashSet<VirtualFile>();
             for (PsiClass aClass : search) {