Hi Olivier
Can you please provide a little more information about what you're trying to achieve.
SQLPlus doesn't really do inserts, it's designed for selects, so I'm a little confused about what you're trying to achieve.
If the workflow stays at the action, it's probably that the QPAC has stalled. Please check the Stalled Actions section in Adminui to see if this is the case.
Howard
http://www.avoka.com