From aad1e06e15c9e5c5a96b16ee3a32d4651637dbd7 Mon Sep 17 00:00:00 2001
From: Dmitry Avdeev <Dmitry.Avdeev@jetbrains.com>
Date: Tue, 14 Feb 2012 15:20:42 +0400
Subject: [PATCH] NPE fixed

---
 .../codeInsight/documentation/DocumentationManager.java        | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/platform/lang-impl/src/com/intellij/codeInsight/documentation/DocumentationManager.java b/platform/lang-impl/src/com/intellij/codeInsight/documentation/DocumentationManager.java
index ad19a7d35ec8..011242583a40 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/documentation/DocumentationManager.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/documentation/DocumentationManager.java
@@ -204,6 +204,9 @@ public class DocumentationManager {
 
     final PopupUpdateProcessor updateProcessor = new PopupUpdateProcessor(project) {
       public void updatePopup(Object lookupIteObject) {
+        if (lookupIteObject == null) {
+          return;
+        }
         if (lookupIteObject instanceof PsiElement) {
           doShowJavaDocInfo((PsiElement)lookupIteObject, false, this, originalElement, autoupdate);
           return;