From 3c1856dec05639ee7f146fefdb5fd96218b00feb Mon Sep 17 00:00:00 2001
From: Olesya Smirnova <Olesya.Smirnova@jetbrains.com>
Date: Fri, 28 Jan 2005 17:29:45 +0300
Subject: [PATCH] SCR42036 (assertion added)

---
 source/com/intellij/ide/util/treeView/AbstractTreeBuilder.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/source/com/intellij/ide/util/treeView/AbstractTreeBuilder.java b/source/com/intellij/ide/util/treeView/AbstractTreeBuilder.java
index eb4cfc27aad9..d0d944bc75fa 100644
--- a/source/com/intellij/ide/util/treeView/AbstractTreeBuilder.java
+++ b/source/com/intellij/ide/util/treeView/AbstractTreeBuilder.java
@@ -198,6 +198,7 @@ public abstract class AbstractTreeBuilder {
   protected final void initRootNode() {
     Object rootElement = myTreeStructure.getRootElement();
     NodeDescriptor nodeDescriptor = myTreeStructure.createDescriptor(rootElement, null);
+    LOG.assertTrue(nodeDescriptor != null, String.valueOf(rootElement));
     myRootNode.setUserObject(nodeDescriptor);
     nodeDescriptor.update();
     if (rootElement != null) {