From 39b0f3e887b528243087218ecc283fd24d232403 Mon Sep 17 00:00:00 2001
From: Eugene Zhuravlev <jeka@intellij.com>
Date: Wed, 2 Feb 2011 13:32:02 +0100
Subject: [PATCH] fix dangling JDK copies in module's order entries (IDEA-64545
 )

---
 .../ui/configuration/ModulesConfigurator.java   | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/ModulesConfigurator.java b/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/ModulesConfigurator.java
index ed18f67a021e..daf020a0615e 100644
--- a/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/ModulesConfigurator.java
+++ b/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/ModulesConfigurator.java
@@ -287,9 +287,26 @@ public class ModulesConfigurator implements ModulesProvider, ModuleEditor.Change
     for (ModuleEditor moduleEditor : myModuleEditors) {
       moduleEditor.canApply();
     }
+    
+    final Map<Sdk, Sdk> modifiedToOriginalMap = new HashMap<Sdk, Sdk>();
+    final ProjectSdksModel projectJdksModel = ProjectStructureConfigurable.getInstance(myProject).getProjectJdksModel();
+    for (Map.Entry<Sdk, Sdk> entry : projectJdksModel.getProjectSdks().entrySet()) {
+      modifiedToOriginalMap.put(entry.getValue(), entry.getKey());
+    }
+    
     for (final ModuleEditor moduleEditor : myModuleEditors) {
       final ModifiableRootModel model = moduleEditor.apply();
       if (model != null) {
+        if (!model.isSdkInherited()) {
+          // make sure the sdk is set to original SDK stored in the JDK Table
+          final Sdk modelSdk = model.getSdk();
+          if (modelSdk != null) {
+            final Sdk original = modifiedToOriginalMap.get(modelSdk);
+            if (original != null) {
+              model.setSdk(original);
+            }
+          }
+        }
         models.add(model);
       }
     }