collect ref object convert load uml id ref extent xmi reader xmi reader input sourc input file except uml except io except malform xmi except defin log lp log granular type statement lp log local start method log info xmi file doesn appear uml attempt uml uml convers endif transform file normal nsuml xsl uml touml xsl unknown element input sourc xform input chain transform transform file input sourc xform input serial transform transform file input xmi reader read xform input stream xform input id extent 