fixes #3607

svn changeset:10557/svn branch:6.2

diff --git a/src/com/vaadin/ui/AbstractComponent.java b/src/com/vaadin/ui/AbstractComponent.java
index 68910bb686c120a9d003985be6f26b5fd84b37bf..247354ccc92ac7ac4f015590a0aa195fd9064a88 100644 (file)
--- a/src/com/vaadin/ui/AbstractComponent.java
+++ b/src/com/vaadin/ui/AbstractComponent.java
@@ -521,7 +521,8 @@ public abstract class AbstractComponent implements Component, MethodEventSource
         }
 
         if (parent != null && this.parent != null) {
-            throw new IllegalStateException("Component already has a parent.");
+            throw new IllegalStateException(getClass().getName()
+                    + " already has a parent.");
         }
 
         // Send detach event if the component have been connected to a window