hi all first of all i thank every one reading this thread even he couldnt help me in my question :) the problem is i had installed Eclipse Version: 3.1.2, and installed plugin of JBPM , it worked ok and i made several workflows, but last day it started to do something else. when open old work flow i created before the digrame is all collapsed in one point, i uploaded a screen shot for the problem and here is the link for http://www.uuploadit.com/Users/mohab/screen%20shot.JPG the problem in each time i had to rearrange the digram again and after finishing the work and close the eclipse it collapse again, does any body knows how to solve this problem N.B: if u found that this thread belongs to another forum please fell free to tell me, this might help again thanks for ur time and passion View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3988614#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...