Hi, I am finding the following statements in my paster.log: galaxy.datatypes.interval ERROR 2010-06-18 13:15:42,349 Viewport generation error -> invalid literal for int() with base 10: 'Start' The full traceback is below. This has only started happening in the last few days during which I have updated my Galaxy install and created a new datatype in tabular.py by adding the following code: qclass IndexFile( Tabular ): file_ext = 'indexfile' def sniff( self, filename ): return False and: <datatype extension="indexfile" type="galaxy.datatypes.tabular:IndexFile" display_in_upload="true"/> to datatypes_conf.xml I'm not sure if these are related at all but if anyone could give me a more specific idea about what causes such an error then I would be grateful. Thanks Shaun Webb paste.httpserver.ThreadPool WARNING 2010-06-18 13:14:21,972 Thread 1159838032 hung (working on task for 1914 seconds) paste.httpserver.ThreadPool INFO 2010-06-18 13:14:22,049 Killing thread 1159838032 paste.httpserver.ThreadPool INFO 2010-06-18 13:14:22,112 kill_hung_threads status: 10 threads (4 working, 6 idle, 0 starting) ave time 1098.24sec, max time 1914.39sec, killed 1 workers galaxy.datatypes.interval ERROR 2010-06-18 13:14:30,889 Viewport generation error -> invalid literal for int() with base 10: 'Start' galaxy.datatypes.interval ERROR 2010-06-18 13:14:30,930 Viewport generation error -> invalid literal for int() with base 10: 'Start' 77.99.111.226 - - [18/Jun/2010:13:04:43 +0100] "GET /history HTTP/1.1" 200 - "http://bifx3.bio.ed.ac.uk:8080/history/list?f-deleted=False&f-sharing=All&f-name=All&f-tags=All&sort=-create_time&async=false&page=1&webapp=galaxy&operation=switch&id=a50c61d9c2d2a913&" "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.9.0.19) Gecko/2010031422 Firefox/3.0.19 (.NET CLR 3.5.30729)" galaxy.datatypes.interval ERROR 2010-06-18 13:15:36,375 Viewport generation error -> invalid literal for int() with base 10: 'Start' galaxy.datatypes.interval ERROR 2010-06-18 13:15:36,429 Viewport generation error -> invalid literal for int() with base 10: 'Start' ---------------------------------------- Exception happened during processing of request from ('77.99.111.226', 3946) Traceback (most recent call last): File "/opt/galaxy_dist/eggs/Paste-1.6-py2.5.egg/paste/httpserver.py", line 1053, in process_request_in_thread galaxy.datatypes.interval ERROR 2010-06-18 13:15:36,758 Viewport generation error -> invalid literal for int() with base 10: 'Start' galaxy.datatypes.interval ERROR 2010-06-18 13:15:36,877 Viewport generation error -> invalid literal for int() with base 10: 'Start' self.finish_request(request, client_address) File "/usr/lib/python2.5/SocketServer.py", line 254, in finish_request self.RequestHandlerClass(request, client_address, self) File "/usr/lib/python2.5/SocketServer.py", line 523, in __init__ self.finish() File "/usr/lib/python2.5/SocketServer.py", line 568, in finish self.rfile.close() File "/usr/lib/python2.5/socket.py", line 232, in close self.flush() File "/usr/lib/python2.5/socket.py", line 245, in flush def flush(self): SystemExit ---------------------------------------- -- The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336.