So I have and other preoccupetions. I download JBPM 5 and his documentation. So i would like to try demo, when i execute ant install.demo  is succesfull, but in JPBP_HOME I have eclipse Hellios and JBOSS 5.1.0 . My problem is:  Firstly when i run I hava this error: 

Secondly I use jboss 4.2 and I need to change JBOSS 5 by 4.2.0. so can I do!  Please I need your help  Thanks