2013-09-12 14:02:09,820 WARNI [                             omero.utils] (MainThread) Reason: exception ::omero::WrappedCreateSessionException
{
    reason = Can't find default group for root
    concurrency = False
    backOff = -1
    type = ome.conditions.ApiUsageException
}
2013-09-12 14:02:09,820 ERROR [                       omero.util.Server] (MainThread) Failed initialization
Traceback (most recent call last):
  File "/home/vali/apps/OMERO/OMERO.server-4.4.8p1-ice34-b304/lib/python/omero/util/__init__.py", line 437, in run
    self.impl = self.impl_class(ctx)
  File "/home/vali/apps/OMERO/OMERO.server-4.4.8p1-ice34-b304/lib/python/omero/processor.py", line 663, in __init__
    omero.util.Servant.__init__(self, ctx, needs_session = needs_session)
  File "/home/vali/apps/OMERO/OMERO.server-4.4.8p1-ice34-b304/lib/python/omero/util/__init__.py", line 514, in __init__
    self.ctx.newSession()
  File "/home/vali/apps/OMERO/OMERO.server-4.4.8p1-ice34-b304/lib/python/omero/util/__init__.py", line 291, in newSession
    self.session = internal_service_factory(self.communicator, stop_event = self.stop_event)
  File "/home/vali/apps/OMERO/OMERO.server-4.4.8p1-ice34-b304/lib/python/omero/util/__init__.py", line 194, in internal_service_factory
    raise excpt
WrappedCreateSessionException: exception ::omero::WrappedCreateSessionException
{
    reason = Can't find default group for root
    concurrency = False
    backOff = -1
    type = ome.conditions.ApiUsageException
}
2013-09-12 14:02:09,821 INFO  [                       omero.util.Server] (MainThread) Cleanup
2013-09-12 14:02:09,821 INFO  [                       omero.util.Server] (MainThread) Stopped
2013-09-12 14:02:09,821 INFO  [                       omero.util.Server] (MainThread) ********************************************************************************
2013-09-12 14:02:09,821 INFO  [              omero.processor.ProcessorI] (MainThread) Cleaning up
    type = ome.conditions.ApiUsageException
}
2013-09-12 14:02:09,820 ERROR [                       omero.util.Server] (MainThread) Failed initialization
Traceback (most recent call last):
  File "/home/vali/apps/OMERO/OMERO.server-4.4.8p1-ice34-b304/lib/python/omero/util/__init__.py", line 437, in run
    self.impl = self.impl_class(ctx)
  File "/home/vali/apps/OMERO/OMERO.server-4.4.8p1-ice34-b304/lib/python/omero/processor.py", line 663, in __init__
    omero.util.Servant.__init__(self, ctx, needs_session = needs_session)
  File "/home/vali/apps/OMERO/OMERO.server-4.4.8p1-ice34-b304/lib/python/omero/util/__init__.py", line 514, in __init__
    self.ctx.newSession()
  File "/home/vali/apps/OMERO/OMERO.server-4.4.8p1-ice34-b304/lib/python/omero/util/__init__.py", line 291, in newSession
    self.session = internal_service_factory(self.communicator, stop_event = self.stop_event)
  File "/home/vali/apps/OMERO/OMERO.server-4.4.8p1-ice34-b304/lib/python/omero/util/__init__.py", line 194, in internal_service_factory
    raise excpt
WrappedCreateSessionException: exception ::omero::WrappedCreateSessionException
{
    reason = Can't find default group for root
    concurrency = False
    backOff = -1
    type = ome.conditions.ApiUsageException
}
2013-09-12 14:02:09,821 INFO  [                       omero.util.Server] (MainThread) Cleanup
2013-09-12 14:02:09,821 INFO  [                       omero.util.Server] (MainThread) Stopped
2013-09-12 14:02:09,821 INFO  [                       omero.util.Server] (MainThread) ********************************************************************************
2013-09-12 14:02:09,821 INFO  [              omero.processor.ProcessorI] (MainThread) Cleaning up
2013-09-12 14:02:09,821 INFO  [              omero.processor.ProcessorI] (MainThread) Done
2013-09-12 14:02:09,822 WARNI [                                  stderr] (MainThread) 2013-09-12 14:02:09.822015 Processor-0: error: Traceback (most recent call last):
  File "/usr/lib/pymodules/python2.7/Ice.py", line 984, in main
    status = self.doMain(args, initData)
  File "/usr/lib/pymodules/python2.7/Ice.py", line 1031, in doMain
    return self.run(args)
  File "/home/vali/apps/OMERO/OMERO.server-4.4.8p1-ice34-b304/lib/python/omero/util/__init__.py", line 441, in run
    sys.exit(100)
SystemExit: 100