Your message is telling us that the program can't find the classes in IDocReceiverCmd.jar.
Can you look in this folder:
E:\usr\sap\NKD\J00\j2ee\cluster\apps\Nakisa\OrgModeler\servlet_jsp\OrgModeler\root\
and confirm this file is present:
IDocReceiverCmd.jar
Also I'm not 100% sure your command is right.
Parameter 3:
C:\j2sdk1.4.2_42-x64\bin
Is this definitely where sapjco.jar is deployed?
Finally, I tweaked a little (put .bat on first line, and removed \ after lib on 2 lines):
E:\usr\sap\NKD\J00\j2ee\cluster\apps\Nakisa\OrgModeler\servlet_jsp\OrgModeler\root\idocreceivercmd.bat E:\usr\sap\NKD\J00\j2ee\JSPM\sapjvm\jre\bin
C:\j2sdk1.4.2_42-x64\bin
E:\usr\sap\NKD\J00\j2ee\cluster\apps\Nakisa\OrgModeler\servlet_jsp\OrgModeler\root\WEB-INF\lib E:\usr\sap\NKD\J00\j2ee\cluster\apps\Nakisa\OrgModeler\servlet_jsp\OrgModeler\root\WEB-INF\lib E:\usr\sap\NKD\J00\j2ee\cluster\apps\Nakisa\OrgModeler\servlet_jsp\OrgModeler\root\WEB-INF\lib NakisaFrameworkBin
Can you try my revised command, out of interest and let me know the result.
Stephen