using the ExportWebMap geoprocessing service for printing. We are getting a 500 error when attempting to print with a lot of selected visible layers. The error is message: "Unable to load proxy.jsp?http://arcgisprod:6080/ar…p/GPServer/Export%20Web%20Map/execute status: 500", response: Object, status: 500, responseText: "<html><head><title>Apache Tomcat/6.0.41 - Error re…hade"><h3>Apache Tomcat/6.0.41</h3></body></html>"