diff --git a/java/java-impl/src/com/intellij/refactoring/introduceVariable/JavaVariableInplaceIntroducer.java b/java/java-impl/src/com/intellij/refactoring/introduceVariable/JavaVariableInplaceIntroducer.java
index eb5938ce3c66..709bedfb4e9e 100644
--- a/java/java-impl/src/com/intellij/refactoring/introduceVariable/JavaVariableInplaceIntroducer.java
+++ b/java/java-impl/src/com/intellij/refactoring/introduceVariable/JavaVariableInplaceIntroducer.java
@@ -29,9 +29,11 @@ import com.intellij.openapi.keymap.KeymapManager;
 import com.intellij.openapi.keymap.KeymapUtil;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.util.Comparing;
+import com.intellij.openapi.vfs.ReadonlyStatusHandler;
 import com.intellij.psi.*;
 import com.intellij.psi.codeStyle.CodeStyleManager;
 import com.intellij.psi.codeStyle.JavaCodeStyleManager;
+import com.intellij.psi.impl.source.tree.injected.InjectedLanguageUtil;
 import com.intellij.psi.scope.processor.VariablesProcessor;
 import com.intellij.psi.util.PsiTreeUtil;
 import com.intellij.psi.util.TypeConversionUtil;
@@ -169,6 +171,7 @@ public class JavaVariableInplaceIntroducer extends InplaceVariableIntroducer<Psi
           myEditor.getScrollingModel().scrollToCaret(ScrollType.MAKE_VISIBLE);
         }
         if (myExpressionText != null) {
+          if (!ReadonlyStatusHandler.ensureDocumentWritable(myProject, InjectedLanguageUtil.getTopLevelEditor(myEditor).getDocument())) return;
           ApplicationManager.getApplication().runWriteAction(new Runnable() {
             public void run() {
               final PsiDeclarationStatement element = myPointer.getElement();
diff --git a/platform/lang-impl/src/com/intellij/refactoring/introduce/inplace/AbstractInplaceIntroducer.java b/platform/lang-impl/src/com/intellij/refactoring/introduce/inplace/AbstractInplaceIntroducer.java
index 23d92942a147..cf4eaf6fd04e 100644
--- a/platform/lang-impl/src/com/intellij/refactoring/introduce/inplace/AbstractInplaceIntroducer.java
+++ b/platform/lang-impl/src/com/intellij/refactoring/introduce/inplace/AbstractInplaceIntroducer.java
@@ -39,7 +39,9 @@ import com.intellij.openapi.util.Key;
 import com.intellij.openapi.util.Pair;
 import com.intellij.openapi.util.Ref;
 import com.intellij.openapi.util.TextRange;
+import com.intellij.openapi.vfs.ReadonlyStatusHandler;
 import com.intellij.psi.*;
+import com.intellij.psi.impl.source.tree.injected.InjectedLanguageUtil;
 import com.intellij.psi.search.searches.ReferencesSearch;
 import com.intellij.psi.util.PsiTreeUtil;
 import com.intellij.refactoring.RefactoringActionHandler;
@@ -456,6 +458,7 @@ public abstract class AbstractInplaceIntroducer<V extends PsiNameIdentifierOwner
   }
 
   protected void restoreState(final V psiField) {
+    if (!ReadonlyStatusHandler.ensureDocumentWritable(myProject, InjectedLanguageUtil.getTopLevelEditor(myEditor).getDocument())) return;
     ApplicationManager.getApplication().runWriteAction(new Runnable() {
       @Override
       public void run() {