Hi I am trying to run the simple_switch.py.
as given in the tutorial I gave the following command:
PYTHONPATH=. ./bin/ryu-manager ryu/app/simple_switch.py
It starting working and give following
loading app ryu/app/simple_switch.py
loading app ryu.controller.ofp_handler
instantiating app ryu.controller.ofp_handler of OFPHandler
instantiating app ryu/app/simple_switch.py of SimpleSwitch
then halt here for long not giving any other result.
I abnormally terminate it and run again,
It gives the following:
mininet@mininet-VirtualBox:~/ryu$ PYTHONPATH=. ./bin/ryu-manager
ryu/app/simple_switch.py
loading app ryu/app/simple_switch.py
loading app ryu.controller.ofp_handler
instantiating app ryu.controller.ofp_handler of OFPHandler
instantiating app ryu/app/simple_switch.py of SimpleSwitch
hub: uncaught exception: Traceback (most recent call last):
File "/home/mininet/ryu/ryu/lib/hub.py", line 52, in _launch
func(*args, **kwargs)
File "/home/mininet/ryu/ryu/controller/controller.py", line 71, in __call__
self.server_loop()
File "/home/mininet/ryu/ryu/controller/controller.py", line 94, in server_loop
datapath_connection_factory)
File "/home/mininet/ryu/ryu/lib/hub.py", line 108, in __init__
self.server = eventlet.listen(listen_info)
File "/usr/lib/python2.7/dist-packages/eventlet/convenience.py",
line 38, in listen
sock.bind(addr)
File "/usr/lib/python2.7/socket.py", line 224, in meth
return getattr(self._sock,name)(*args)
error: [Errno 98] Address already in use
I have no idea what is going on. Please give some suggestion.
Best regards,
Goutam
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