dbus-send --session --dest=org.desktopcouch.CouchDB --print-reply --type=method_call / org.desktopcouch.CouchDB.getPort
Error org.freedesktop.DBus.Python.RuntimeError: Traceback (most recent call last):
  File "/usr/lib/pymodules/python2.6/dbus/service.py", line 702, in _message_cb
    retval = candidate_method(self, *args, **keywords)
  File "/usr/lib/desktopcouch/desktopcouch-service", line 73, in getPort
    port = int(desktopcouch._direct_access_find_port())
  File "/usr/lib/python2.6/dist-packages/desktopcouch/__init__.py", line 193, in __find_port__linux
    return __find_port__linux(pid, ctx, retries_left - 1)
  File "/usr/lib/python2.6/dist-packages/desktopcouch/__init__.py", line 193, in __find_port__linux
    return __find_port__linux(pid, ctx, retries_left - 1)
  File "/usr/lib/python2.6/dist-packages/desktopcouch/__init__.py", line 193, in __find_port__linux
    return __find_port__linux(pid, ctx, retries_left - 1)
  File "/usr/lib/python2.6/dist-packages/desktopcouch/__init__.py", line 194, in __find_port__linux
    raise RuntimeError("Unable to find listening port")
RuntimeError: Unable to find listening port