Codebrowse web-ui should generate OOPS messages

Noticed the following in the debug.log for codebrowse.

INF [20070425-13:22:28.525] launchpad_loggerhead: Getting branch for ~bugsquad/bughelper/bughelper.main
INF [20070425-13:22:28.525] cherrypy.msg: HTTP: Page handler: <bound method AtomUI.default of <loggerhead.controllers
.atom_ui.AtomUI object at 0x44da42ec>>
Traceback (most recent call last):
  File "/srv/codebrowse.launchpad.net/turbogears/lib/python2.4/site-packages/CherryPy-2.2.1-py2.4.egg/cherrypy/_cphtt
ptools.py", line 105, in _run
    self.main()
  File "/srv/codebrowse.launchpad.net/turbogears/lib/python2.4/site-packages/CherryPy-2.2.1-py2.4.egg/cherrypy/_cphtt
ptools.py", line 254, in main
    body = page_handler(*virtual_path, **self.params)
  File "<string>", line 3, in default
  File "/srv/codebrowse.launchpad.net/turbogears/lib/python2.4/site-packages/TurboGears-1.0.1-py2.4.egg/turbogears/co
ntrollers.py", line 334, in expose
    output = database.run_with_transaction(
  File "<string>", line 5, in run_with_transaction
  File "/srv/codebrowse.launchpad.net/turbogears/lib/python2.4/site-packages/TurboGears-1.0.1-py2.4.egg/turbogears/da
tabase.py", line 302, in so_rwt
    retval = func(*args, **kw)
  File "<string>", line 5, in _expose
  File "/srv/codebrowse.launchpad.net/turbogears/lib/python2.4/site-packages/TurboGears-1.0.1-py2.4.egg/turbogears/co
ntrollers.py", line 351, in <lambda>
    mapping, fragment, args, kw)))
  File "/srv/codebrowse.launchpad.net/turbogears/lib/python2.4/site-packages/TurboGears-1.0.1-py2.4.egg/turbogears/co
ntrollers.py", line 378, in _execute_func
    output = errorhandling.try_call(func, *args, **kw)
  File "/srv/codebrowse.launchpad.net/turbogears/lib/python2.4/site-packages/TurboGears-1.0.1-py2.4.egg/turbogears/er
rorhandling.py", line 73, in try_call
    return func(self, *args, **kw)
  File "/srv/codebrowse.launchpad.net/launchpad-loggerhead/loggerhead/controllers/atom_ui.py", line 39, in default
    entries = list(h.get_changes(list(revid_list)[:pagesize]))
  File "/srv/codebrowse.launchpad.net/launchpad-loggerhead/loggerhead/util.py", line 334, in locked
    return unbound(self, *args, **kw)
  File "/srv/codebrowse.launchpad.net/launchpad-loggerhead/loggerhead/history.py", line 596, in get_changes
    changes = self._change_cache.get_changes(revid_list, get_diffs)
  File "/srv/codebrowse.launchpad.net/launchpad-loggerhead/loggerhead/util.py", line 334, in locked
    return unbound(self, *args, **kw)
  File "/srv/codebrowse.launchpad.net/launchpad-loggerhead/loggerhead/changecache.py", line 112, in get_changes
    cache[sfetch_list.pop(0)] = out[i] = changes.pop(0)
  File "/usr/lib/python2.4/shelve.py", line 130, in __setitem__
    self.dict[key] = f.getvalue()
  File "/usr/lib/python2.4/bsddb/__init__.py", line 224, in __setitem__
    self.db[key] = value
DBRunRecoveryError: (-30977, 'DB_RUNRECOVERY: Fatal error, run database recovery -- PANIC: Invalid argument')