From 567e265d4e88fffeb9d60f578c60b3da6526e6f1 Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Fri, 6 Jul 2012 18:13:51 +0200
Subject: [PATCH] catch INRE (EA-36351)

---
 .../intellij/find/findUsages/FindUsagesManager.java    |  4 ++++
 .../com/intellij/openapi/project/DumbServiceImpl.java  | 10 +++++++---
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/platform/lang-impl/src/com/intellij/find/findUsages/FindUsagesManager.java b/platform/lang-impl/src/com/intellij/find/findUsages/FindUsagesManager.java
index 8d535cb4505a..cc9ca4c0bc04 100644
--- a/platform/lang-impl/src/com/intellij/find/findUsages/FindUsagesManager.java
+++ b/platform/lang-impl/src/com/intellij/find/findUsages/FindUsagesManager.java
@@ -38,6 +38,7 @@ import com.intellij.openapi.keymap.KeymapUtil;
 import com.intellij.openapi.progress.ProgressIndicator;
 import com.intellij.openapi.progress.ProgressManager;
 import com.intellij.openapi.progress.Task;
+import com.intellij.openapi.project.DumbService;
 import com.intellij.openapi.project.IndexNotReadyException;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.ui.DialogWrapper;
@@ -407,6 +408,9 @@ public class FindUsagesManager implements JDOMExternalizable {
               try {
                 searcher.processElementUsages(element, processor, options);
               }
+              catch (IndexNotReadyException e) {
+                DumbService.getInstance(element.getProject()).showDumbModeNotification("Find usages is not available during indexing");
+              }
               catch (Exception e) {
                 LOG.error(e);
               }
diff --git a/platform/platform-impl/src/com/intellij/openapi/project/DumbServiceImpl.java b/platform/platform-impl/src/com/intellij/openapi/project/DumbServiceImpl.java
index 1f105432eb97..138cf398fe7a 100644
--- a/platform/platform-impl/src/com/intellij/openapi/project/DumbServiceImpl.java
+++ b/platform/platform-impl/src/com/intellij/openapi/project/DumbServiceImpl.java
@@ -221,9 +221,13 @@ public class DumbServiceImpl extends DumbService {
 
   @Override
   public void showDumbModeNotification(final String message) {
-    final IdeFrame ideFrame = WindowManager.getInstance().getIdeFrame(myProject);
-    StatusBarEx statusBar = (StatusBarEx)ideFrame.getStatusBar();
-    statusBar.notifyProgressByBalloon(MessageType.WARNING, message, null, null);
+    UIUtil.invokeLaterIfNeeded(new Runnable() {
+      public void run() {
+        final IdeFrame ideFrame = WindowManager.getInstance().getIdeFrame(myProject);
+        StatusBarEx statusBar = (StatusBarEx)ideFrame.getStatusBar();
+        statusBar.notifyProgressByBalloon(MessageType.WARNING, message, null, null);
+      }
+    });
   }
 
   private static final Ref<CacheUpdateRunner> NULL_ACTION = new Ref<CacheUpdateRunner>(null);