From cf323744bfa85d115a0da289e7c7b33792a544cd Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Wed, 24 Dec 2014 15:10:00 +0100
Subject: [PATCH] EA-63628 - INRE: FileBasedIndexImpl.handleDumbMode

---
 .../openapi/src/com/intellij/execution/JavaExecutionUtil.java  | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/java/execution/openapi/src/com/intellij/execution/JavaExecutionUtil.java b/java/execution/openapi/src/com/intellij/execution/JavaExecutionUtil.java
index 42ed3830364a..453cbcb0d6cd 100644
--- a/java/execution/openapi/src/com/intellij/execution/JavaExecutionUtil.java
+++ b/java/execution/openapi/src/com/intellij/execution/JavaExecutionUtil.java
@@ -26,6 +26,7 @@ import com.intellij.execution.util.ExecutionErrorDialog;
 import com.intellij.openapi.actionSystem.DataContext;
 import com.intellij.openapi.module.Module;
 import com.intellij.openapi.module.ModuleUtilCore;
+import com.intellij.openapi.project.DumbService;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.util.Condition;
 import com.intellij.openapi.util.text.StringUtil;
@@ -168,7 +169,7 @@ public class JavaExecutionUtil {
 
   @Nullable
   public static PsiClass findMainClass(final Project project, final String mainClassName, final GlobalSearchScope scope) {
-    if (project.isDefault()) return null;
+    if (project.isDefault() || DumbService.isDumb(project)) return null;
     final PsiManager psiManager = PsiManager.getInstance(project);
     final String shortName = StringUtil.getShortName(mainClassName);
     final String packageName = StringUtil.getPackageName(mainClassName);