Hi Soliman, > File "/home/mininet/spider/src/SPIDER_parser.py", line 311, in > networkx_to_mininet_topo > nodes = set(fnss_topo.nodes_iter()) > AttributeError: 'Topology' object has no attribute 'nodes_iter'
The above message shows the AttributeError was raised at your application (SPIDER?) and not at Ryu side. Unfortunately, the SPIDER project is not a part of the Ryu projcet... Please confirm your application first. https://github.com/OpenState-SDN/spider Thanks, Iwase On 2017年11月24日 22:32, Soliman Awad Alshra´a Abdullah TU Ilmenau wrote: > Hello, > > I had used a simulation code in ryu, but, when I uninstalled and then > installed it again I got this error > Does anyone know how to fix it ? > > > File "/usr/local/bin/ryu-manager", line 9, in <module> > > load_entry_point('ryu==3.29', 'console_scripts', 'ryu-manager')() > > File "/usr/local/lib/python2.7/dist-packages/ryu/cmd/manager.py", line 89, in > main > > contexts = app_mgr.create_contexts() > > File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py", line > 429, in create_contexts > > context = self._instantiate(None, cls) > > File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py", line > 481, in _instantiate > > app = cls(*args, **kwargs) > > File "/home/mininet/spider/src/SPIDER_ctrl.py", line 55, in __init__ > > self.mn_topo = SPIDER_parser.networkx_to_mininet_topo(self.G, self.hosts, > self.switches, self.mapping) > > File "/home/mininet/spider/src/SPIDER_parser.py", line 311, in > networkx_to_mininet_topo > > nodes = set(fnss_topo.nodes_iter()) > > AttributeError: 'Topology' object has no attribute 'nodes_iter' > > > > > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > > > > _______________________________________________ > Ryu-devel mailing list > Ryu-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/ryu-devel > ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Ryu-devel mailing list Ryu-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ryu-devel
