On one particular history, I see this.
I don't know why this happens on this history…
I cloned it, then re-ran one step.
I hope this stacktrace is helpful:
Exception happened during processing of request from ('127.0.0.1', 56949)
Traceback (most recent call last):
File "/mnt/ngswork/galaxy/galaxy-dist/eggs/Paste-1.6-py2.6.egg/paste/httpserver.py", line 1053, in process_request_in_thread
self.finish_request(request, client_address)
File "/usr/lib/python2.6/SocketServer.py", line 320, in finish_request
self.RequestHandlerClass(request, client_address, self)
File "/usr/lib/python2.6/SocketServer.py", line 615, in __init__
self.handle()
File "/mnt/ngswork/galaxy/galaxy-dist/eggs/Paste-1.6-py2.6.egg/paste/httpserver.py", line 432, in handle
BaseHTTPRequestHandler.handle(self)
File "/usr/lib/python2.6/BaseHTTPServer.py", line 329, in handle
self.handle_one_request()
File "/mnt/ngswork/galaxy/galaxy-dist/eggs/Paste-1.6-py2.6.egg/paste/httpserver.py", line 427, in handle_one_request
self.wsgi_execute()
File "/mnt/ngswork/galaxy/galaxy-dist/eggs/Paste-1.6-py2.6.egg/paste/httpserver.py", line 287, in wsgi_execute
self.wsgi_start_response)
File "/mnt/ngswork/galaxy/galaxy-dist/eggs/Paste-1.6-py2.6.egg/paste/urlmap.py", line 202, in __call__
return app(environ, start_response)
File "/mnt/ngswork/galaxy/galaxy-dist/lib/galaxy/web/framework/middleware/xforwardedhost.py", line 21, in __call__
return self.app( environ, start_response )
File "/mnt/ngswork/galaxy/galaxy-dist/eggs/PasteDeploy-1.3.3-py2.6.egg/paste/deploy/config.py", line 164, in __call__
app_iter = self.application(environ, start_response)
File "/mnt/ngswork/galaxy/galaxy-dist/lib/galaxy/web/framework/middleware/translogger.py", line 68, in __call__
return self.application(environ, replacement_start_response)
File "/mnt/ngswork/galaxy/galaxy-dist/eggs/Paste-1.6-py2.6.egg/paste/exceptions/errormiddleware.py", line 153, in __call__
exc_info)
File "/mnt/ngswork/galaxy/galaxy-dist/lib/galaxy/web/framework/middleware/translogger.py", line 67, in replacement_start_response
return start_response( status, headers, exc_info )
File "/mnt/ngswork/galaxy/galaxy-dist/eggs/Paste-1.6-py2.6.egg/paste/exceptions/errormiddleware.py", line 143, in __call__
app_iter = self.application(environ, start_response)
File "/mnt/ngswork/galaxy/galaxy-dist/eggs/Paste-1.6-py2.6.egg/paste/recursive.py", line 80, in __call__
return self.application(environ, start_response)
File "/mnt/ngswork/galaxy/galaxy-dist/lib/galaxy/web/framework/middleware/remoteuser.py", line 91, in __call__
return self.app( environ, start_response )
File "/mnt/ngswork/galaxy/galaxy-dist/eggs/Paste-1.6-py2.6.egg/paste/httpexceptions.py", line 632, in __call__
return self.application(environ, start_response)
File "/mnt/ngswork/galaxy/galaxy-dist/lib/galaxy/web/framework/base.py", line 169, in __call__
return body( environ, start_response )
File "/mnt/ngswork/galaxy/galaxy-dist/lib/galaxy/web/framework/__init__.py", line 858, in render
template.render_context( context )
File "/mnt/ngswork/galaxy/galaxy-dist/eggs/Mako-0.4.1-py2.6.egg/mako/template.py", line 319, in render_context
**kwargs)
File "/mnt/ngswork/galaxy/galaxy-dist/eggs/Mako-0.4.1-py2.6.egg/mako/runtime.py", line 692, in _render_context
_exec_template(inherit, lclcontext, args=args, kwargs=kwargs)
File "/mnt/ngswork/galaxy/galaxy-dist/eggs/Mako-0.4.1-py2.6.egg/mako/runtime.py", line 718, in _exec_template
callable_(context, *args, **kwargs)
File "/mnt/ngswork/galaxy/galaxy-dist/database/compiled_templates/root/history.mako.py", line 306, in render_body
__M_writer(unicode(render_dataset( data, data.hid, show_deleted_on_refresh = show_deleted, for_editing = True )))
File "/mnt/ngswork/galaxy/galaxy-dist/database/compiled_templates/root/history_common.mako.py", line 553, in render_render_dataset
visualizations = data.get_visualizations()
File "/mnt/ngswork/galaxy/galaxy-dist/lib/galaxy/model/__init__.py", line 1251, in get_visualizations
return self.datatype.get_visualizations( self )
File "/mnt/ngswork/galaxy/galaxy-dist/lib/galaxy/datatypes/tabular.py", line 312, in get_visualizations
for col_type in dataset.metadata.column_types:
TypeError: 'NoneType' object is not iterable