From 1ce06c9538af3671c7b2c8d092ac213ac38e332c Mon Sep 17 00:00:00 2001
From: Vladimir Krivosheev <vladimir.krivosheev@jetbrains.com>
Date: Fri, 31 Oct 2014 14:34:53 +0100
Subject: [PATCH] detach element to avoid memory leaks

---
 .../impl/RunnerAndConfigurationSettingsImpl.java         | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/platform/lang-impl/src/com/intellij/execution/impl/RunnerAndConfigurationSettingsImpl.java b/platform/lang-impl/src/com/intellij/execution/impl/RunnerAndConfigurationSettingsImpl.java
index 59e2ac7622a4..e55d39f50139 100644
--- a/platform/lang-impl/src/com/intellij/execution/impl/RunnerAndConfigurationSettingsImpl.java
+++ b/platform/lang-impl/src/com/intellij/execution/impl/RunnerAndConfigurationSettingsImpl.java
@@ -247,7 +247,8 @@ public class RunnerAndConfigurationSettingsImpl implements JDOMExternalizable, C
       myUnloadedRunnerSettings.clear();
     }
     myLoadedRunnerSettings.clear();
-    for (Element runnerElement : element.getChildren(RUNNER_ELEMENT)) {
+    for (Iterator<Element> iterator = element.getChildren(RUNNER_ELEMENT).iterator(); iterator.hasNext(); ) {
+      Element runnerElement = iterator.next();
       String id = runnerElement.getAttributeValue(RUNNER_ID);
       ProgramRunner runner = RunnerRegistry.getInstance().findRunnerById(id);
       if (runner != null) {
@@ -262,11 +263,15 @@ public class RunnerAndConfigurationSettingsImpl implements JDOMExternalizable, C
         if (myUnloadedRunnerSettings == null) {
           myUnloadedRunnerSettings = new SmartList<Element>();
         }
+
+        iterator.remove();
         myUnloadedRunnerSettings.add(runnerElement);
       }
     }
 
-    myUnloadedConfigurationPerRunnerSettings = null;
+    if (myUnloadedRunnerSettings != null) {
+      myUnloadedRunnerSettings.clear();
+    }
     for (Iterator<Element> iterator = element.getChildren(CONFIGURATION_ELEMENT).iterator(); iterator.hasNext(); ) {
       Element configurationElement = iterator.next();
       ProgramRunner runner = RunnerRegistry.getInstance().findRunnerById(configurationElement.getAttributeValue(RUNNER_ID));