From d2aa9e1b16a26d6485dcbbfe4a474ba05a54bb9d Mon Sep 17 00:00:00 2001
From: Maxim Medvedev <maxim.medvedev@jetbrains.com>
Date: Tue, 4 Oct 2011 22:38:03 +0400
Subject: [PATCH] IDEA-74922 Groovy: cannot close Warning dialog shown on
 Introduce Parameter Refactoring

---
 .../introduce/parameter/GrIntroduceParameterHandler.java         | 1 +
 1 file changed, 1 insertion(+)

diff --git a/plugins/groovy/src/org/jetbrains/plugins/groovy/refactoring/introduce/parameter/GrIntroduceParameterHandler.java b/plugins/groovy/src/org/jetbrains/plugins/groovy/refactoring/introduce/parameter/GrIntroduceParameterHandler.java
index 84dc11188520..af624d8c3e74 100644
--- a/plugins/groovy/src/org/jetbrains/plugins/groovy/refactoring/introduce/parameter/GrIntroduceParameterHandler.java
+++ b/plugins/groovy/src/org/jetbrains/plugins/groovy/refactoring/introduce/parameter/GrIntroduceParameterHandler.java
@@ -177,6 +177,7 @@ public class GrIntroduceParameterHandler implements RefactoringActionHandler {
       final GrParametersOwner owner = scopes.get(0);
       if (owner instanceof GrMethod) {
         PsiMethod newMethod = SuperMethodWarningUtil.checkSuperMethod((PsiMethod)owner, RefactoringBundle.message("to.refactor"));
+        if (newMethod == null) return;
         getContext(project, editor, expression, variable, owner, newMethod);
         return;
       }