WARNING: Blocked recursive attempt to close part org.drools.eclipse.editors.DRLRuleEditor while still in the middle of activating it exception is occured when close Drools editor and focus is setted in another view.

EXECUTE: Create Seam web project
EXECUTE: Open security.drl
EXECUTE: Swith to Rete tree tab and set focus to another view (Outline view)
EXECUTE: Try to close editor
FAILURE: WARNING: Blocked recursive attempt to close part org.drools.eclipse.editors.DRLRuleEditor while still in the middle of activating it exception is occured when close Drools editor and focus is setted in another view. And Editor isn't closed.
log attached.