1 files changed, 2 insertions, 2 deletions
diff --git a/platform/util/src/com/intellij/util/containers/ConcurrentInstanceMap.java b/platform/util/src/com/intellij/util/containers/ConcurrentInstanceMap.java
index e99db9d1d2c3..4c85f15a8c7c 100644
--- a/platform/util/src/com/intellij/util/containers/ConcurrentInstanceMap.java
+++ b/platform/util/src/com/intellij/util/containers/ConcurrentInstanceMap.java
@@ -29,10 +29,10 @@ public class ConcurrentInstanceMap<T> extends ConcurrentFactoryMap<Class<? exten
       return key.newInstance();
     }
     catch (InstantiationException e) {
-      throw new RuntimeException(e);
+      throw new RuntimeException("Couldn't instantiate " + key, e);
     }
     catch (IllegalAccessException e) {
-      throw new RuntimeException(e);
+      throw new RuntimeException("Couldn't instantiate " + key, e);
     }
   }
 }
 \ No newline at end of file