getting "socket.error: [Errno 111] Connection refused" ,what am i doing wrong

[saargrin]

Traceback (most recent call last):
File "./automated-ebs-snapshots", line 29, in
automated_ebs_snapshots.main()
File "/data/automated-ebs-snapshots/automated_ebs_snapshots/init.py", line 159, in main
volume_manager.watch_from_file(connection, args.watch_file)
File "/data/automated-ebs-snapshots/automated_ebs_snapshots/volume_manager.py", line 206, in watch_from_file
get_volume_id(connection, volume),
File "/data/automated-ebs-snapshots/automated_ebs_snapshots/volume_manager.py", line 173, in get_volume_id
connection.get_all_volumes(volume_ids=[volume])
File "/usr/lib/python2.7/site-packages/boto/ec2/connection.py", line 2157, in get_all_volumes
[('item', Volume)], verb='POST')
File "/usr/lib/python2.7/site-packages/boto/connection.py", line 1170, in get_list
response = self.make_request(action, params, path, verb)
File "/usr/lib/python2.7/site-packages/boto/connection.py", line 1116, in make_request
return self._mexe(http_request)
File "/usr/lib/python2.7/site-packages/boto/connection.py", line 1030, in _mexe
raise ex

general]
access-key-id: xxx
secret-access-key: xxx
region: eu-central-1