From a24e9bd2fc6b58ecda0aac27b328bc6d8be9e446 Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Thu, 31 Jan 2013 17:54:33 +0100
Subject: [PATCH] EA-43153 - assert: FileManagerImpl.findDirectory

---
 .../com/intellij/usages/impl/rules/DirectoryGroupingRule.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/platform/usageView/src/com/intellij/usages/impl/rules/DirectoryGroupingRule.java b/platform/usageView/src/com/intellij/usages/impl/rules/DirectoryGroupingRule.java
index 4fec12b758e1..c60de9aecdad 100644
--- a/platform/usageView/src/com/intellij/usages/impl/rules/DirectoryGroupingRule.java
+++ b/platform/usageView/src/com/intellij/usages/impl/rules/DirectoryGroupingRule.java
@@ -113,7 +113,7 @@ public class DirectoryGroupingRule implements UsageGroupingRule {
     }
 
     private PsiDirectory getDirectory() {
-      return PsiManager.getInstance(myProject).findDirectory(myDir);
+      return myDir.isValid() ? PsiManager.getInstance(myProject).findDirectory(myDir) : null;
     }
     @Override
     public boolean canNavigate() {