[Thu May 10 11:28:24 2012] [error] [client 9.65.33.31] mod_wsgi (pid=24158): Exception occurred processing WSGI script '/usr/share/bkr/beaker-server.wsgi'. [Thu May 10 11:28:24 2012] [error] [client 9.65.33.31] Traceback (most recent call last): [Thu May 10 11:28:24 2012] [error] [client 9.65.33.31] File "/usr/share/bkr/beaker-server.wsgi", line 28, in <module> [Thu May 10 11:28:24 2012] [error] [client 9.65.33.31] import bkr.server.controllers [Thu May 10 11:28:24 2012] [error] [client 9.65.33.31] File "/usr/lib/python2.6/site-packages/bkr/server/controllers.py", line 67, in <module> [Thu May 10 11:28:24 2012] [error] [client 9.65.33.31] import bkr.server.rdf [Thu May 10 11:28:24 2012] [error] [client 9.65.33.31] File "/usr/lib/python2.6/site-packages/bkr/server/rdf.py", line 21, in <module> [Thu May 10 11:28:24 2012] [error] [client 9.65.33.31] from rdflib.namespace import Namespace, RDF, RDFS, XSD [Thu May 10 11:28:24 2012] [error] [client 9.65.33.31] File "/usr/lib/python2.6/site-packages/rdflib/__init__.py", line 65, in <module> [Thu May 10 11:28:24 2012] [error] [client 9.65.33.31] from rdflib.term import URIRef, BNode, Literal, Variable [Thu May 10 11:28:24 2012] [error] [client 9.65.33.31] File "/usr/lib/python2.6/site-packages/rdflib/term.py", line 49, in <module> [Thu May 10 11:28:24 2012] [error] [client 9.65.33.31] from isodate import parse_time, parse_date, parse_datetime [Thu May 10 11:28:24 2012] [error] [client 9.65.33.31] ImportError: No module named isodate
It looks like you probably have EPEL enabled. It's a bug in python-rdflib (bug 784027). I've pushed python-rdflib-3.2.0-4.el6eng to the Beaker server repo which fixes this.