error with no idea of origin
sometimes this error occurs. i absolutely so not know where it comes from
GET https://vispa.physik.rwth-aachen.de/test-server/extensions/jobmanagement/ge…22CondorBatchManager%22,%22cmd_pattern%22:%22%22,%22only_modified%22:true} 500 (Internal Server Error)
(from redmine: issue id 2248, created on 2015-07-14 by Daniel.Van.Asseldonk)