Well Mike, your issue isn't an
EJB question more of a NetBeans one, so I am going to move this to the
IDE forum.
But it is in your setting for when you build. Right now it is set to not rebuild, which means that part of the deploy function wants to try to create it, but the file already exists. When you build there should be a setting to tell it to always rebuild. Where that is, I don't know. Sorry. Good Luck
Mark