Waiting for Job queue slaves to complete

SQL> shutdown immediate

..
..
Stopping background process CJQ0
Thu Sep 24 17:07:47 2009
Stopping background process MMNL
Thu Sep 24 17:07:48 2009
Stopping background process MMON
Thu Sep 24 17:07:49 2009
Shutting down instance (immediate)
License high water mark = 11
Thu Sep 24 17:07:49 2009
Stopping Job queue slave processes
Thu Sep 24 17:07:52 2009
Waiting for Job queue slaves to complete
.
.
Thu Sep 24 17:18:37 2009
Job queue slave processes stopped

I found this message in alter log file after I waiting for the database shutdown.
wait .. wait .. wait .. wait..and wait...


Finally my database was shutdown after issue the command around 10 minutes.

--TaTsHuYa--