1 files changed, 2 insertions, 1 deletions
diff --git a/platform/lang-api/src/com/intellij/execution/configuration/RunConfigurationExtensionsManager.java b/platform/lang-api/src/com/intellij/execution/configuration/RunConfigurationExtensionsManager.java
index c52f6c9da729..b42cd249ca8e 100644
--- a/platform/lang-api/src/com/intellij/execution/configuration/RunConfigurationExtensionsManager.java
+++ b/platform/lang-api/src/com/intellij/execution/configuration/RunConfigurationExtensionsManager.java
@@ -16,6 +16,7 @@ import com.intellij.openapi.util.Key;
 import com.intellij.openapi.util.WriteExternalException;
 import com.intellij.util.containers.ContainerUtil;
 import com.intellij.util.containers.StringInterner;
+import com.intellij.util.containers.WeakStringInterner;
 import org.jdom.Element;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -33,7 +34,7 @@ public class RunConfigurationExtensionsManager<U extends RunConfigurationBase, T
   private static final String EXT_ID_ATTR = "ID";
   private static final String EXTENSION_ROOT_ATTR = "EXTENSION";
   protected final ExtensionPointName<T> myExtensionPointName;
-  private final StringInterner myInterner = new StringInterner();
+  private final StringInterner myInterner = new WeakStringInterner();
 
   public RunConfigurationExtensionsManager(ExtensionPointName<T> extensionPointName) {
     myExtensionPointName = extensionPointName;