softwareupdater.py crashes due to a missing filename needed many subprocesses deep

[choksi81]

The traceback is:

Traceback (most recent call last):
File "softwareupdater.py", line 1711, in
servicelogger.init("softwareupdater")
File "/home/zack/Research/testInstall/seattle_repy/servicelogger.py", line 807, in init
servicevessel = get_servicevessel()
File "/home/zack/Research/testInstall/seattle_repy/servicelogger.py", line 764, in get_servicevessel
vesseldict = persist.restore_object("vesseldict")
File "/home/zack/Research/testInstall/seattle_repy/persist.py", line 124, in restore_object
raise ValueError, "Filename '"+filename+"' missing."
ValueError: Filename 'vesseldict' missing.