Answer found. Once I thought a bit broader about the issue and got away from CF|JRun issues.
It was some errant lines in a .htaccess file. Using features that our configuration does not allow in .htaccess files. So my only question is why would .htaccess file anomolies throw JRun names errors in the Access error.log file? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Want to reach the ColdFusion community with something they want? Let them know on the House of Fusion mailing lists Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:333109 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/groups/cf-talk/unsubscribe.cfm