From 54aaa0158ca1e08e712dc8f73d78f5bb09476416 Mon Sep 17 00:00:00 2001
From: "Anna.Kozlova" <anna.kozlova@jetbrains.com>
Date: Thu, 27 Oct 2016 11:16:52 +0200
Subject: [PATCH] EA-90615 - NPE:
 ConstructorParameterOnFieldRenameRenamer.<init>

---
 .../naming/ConstructorParameterOnFieldRenameRenamer.java      | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/java/java-impl/src/com/intellij/refactoring/rename/naming/ConstructorParameterOnFieldRenameRenamer.java b/java/java-impl/src/com/intellij/refactoring/rename/naming/ConstructorParameterOnFieldRenameRenamer.java
index a62a5c06dd46..5e45b8022027 100644
--- a/java/java-impl/src/com/intellij/refactoring/rename/naming/ConstructorParameterOnFieldRenameRenamer.java
+++ b/java/java-impl/src/com/intellij/refactoring/rename/naming/ConstructorParameterOnFieldRenameRenamer.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2009 JetBrains s.r.o.
+ * Copyright 2000-2016 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -47,7 +47,7 @@ public class ConstructorParameterOnFieldRenameRenamer extends AutomaticRenamer {
     if (!Comparing.strEqual(propertyName, styleManager.variableNameToPropertyName(newFieldName, VariableKind.FIELD))) {
       final String paramName = styleManager.propertyNameToVariableName(propertyName, VariableKind.PARAMETER);
       final PsiClass aClass = aField.getContainingClass();
-
+      if (aClass == null) return;
       Set<PsiParameter> toRename = new HashSet<>();
       for (PsiMethod constructor : aClass.getConstructors()) {
         if (constructor instanceof PsiMirrorElement) {