id summary reporter owner description type status priority milestone component version severity resolution keywords cc external_id 1601 MgLayer constructor is not thread safe trevorwekel trevorwekel Drop the attached aspx script in the mapviewernet folder and run it with a multi-user load. The !MgLayer(resource id, resource service) constructor will fail and cease to execute on subsequent requests. defect closed high 2.2 Web API 2.2.0 critical fixed