From 2bfa59d54c0065b3fe976edefc2b23ff5392b794 Mon Sep 17 00:00:00 2001
From: Konstantin Bulenkov <kb@jetbrains.com>
Date: Thu, 2 Aug 2012 21:24:10 +0200
Subject: [PATCH] http://youtrack.jetbrains.com/issue/IDEA-89674 + EA-34351

---
 .../src/com/intellij/util/ui/ButtonlessScrollBarUI.java  | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/platform/platform-api/src/com/intellij/util/ui/ButtonlessScrollBarUI.java b/platform/platform-api/src/com/intellij/util/ui/ButtonlessScrollBarUI.java
index 07353a8faee1..647544ef3229 100644
--- a/platform/platform-api/src/com/intellij/util/ui/ButtonlessScrollBarUI.java
+++ b/platform/platform-api/src/com/intellij/util/ui/ButtonlessScrollBarUI.java
@@ -97,6 +97,15 @@ public class ButtonlessScrollBarUI extends BasicScrollBarUI {
     };
   }
 
+  @Override
+  public void layoutContainer(Container scrollbarContainer) {
+    try {
+      super.layoutContainer(scrollbarContainer);
+    } catch (NullPointerException ignore) {
+      //installUI is not performed yet or uninstallUI has set almost every field to null. Just ignore it //IDEA-89674
+    }
+  }
+
   public static Color getGradientLightColor() {
     return UIUtil.isUnderDarcula() ? GRADIENT_LIGHT_DARK_VARIANT : GRADIENT_LIGHT;
   }