Hi,

On 2017年04月10日 21:02, Soliman Awad Alshra´a Abdullah TU Ilmenau wrote:
> Dear Iwase,
> 
> First of all, I would like to thank you for your consideration.
> It might bothers you, but let me explain the environment that I use then what 
> I guess it is my problem.
> 
> I use windows 10  + virtualbox.
>>>>
> I configure virtual box as follow:
> I select Linux type, version Ubuntu 64
> then I set the  second adaptor (host- only Ethernet adapter\promiscuous mode: 
> Allow All )
>>>>
> I tried mininet versions of 2.2.1 (32 bit), 2.2.1 (64 bit), 2.2.2 (64 bit), 
> 2.2.2 (32 bit) and 2.2.0
>>>>
> I use the next command to install OpenState-enabled softswitch and controller 
> in only one shot!
> bash -c "$(wget -O - http://openstate-sdn.org/install.sh)"
>>>
> and I also tried to install them separately form their Repositories :
> 
> OpenState softswitch https://github.com/OpenState-SDN/ofsoftswitch13
> 
> OpenState controller https://github.com/OpenState-SDN/ryu
>>>>>>
> 
> Whatever, I think my problem it is in this lines:
> 
> from mininet.topo import Topo
> File "build/bdist.linux-x86_64/egg/mininet/topo.py", line 14, in
> File "build/bdist.linux-x86_64/egg/mininet/util.py", line 7, in
> ImportError: cannot import name poll
> 
> when I use SSh to get in (build/bdist.linux-x86_64), I didn't find anything 
> inside.
> So I think I must firstly add the missing files then I could solve my 
> solution.

Hummm, it seems to be the problem on the mininet (or SPIDER controller), and I
don't know further....

> 
> I do not know how I can do that
> please, If you have any advice, it would be appreciated 
> 
> I look forward to hearing you
> 
> 
> 
> -----Original Message-----
> From: Iwase Yusuke [mailto:iwase.yusu...@gmail.com] 
> Sent: Monday, April 10, 2017 3:44 AM
> To: Soliman Awad Alshra´a Abdullah TU Ilmenau <abdullah.alsh...@tu-ilmenau.de>
> Cc: ryu-devel@lists.sourceforge.net
> Subject: Re: [Ryu-devel] ImportError: cannot import name poll
> 
> Hi,
> 
> 
> On 2017年04月09日 21:22, Soliman Awad Alshra´a Abdullah TU Ilmenau wrote:
>>
>>   Hi everyone,
>>
>>   I am trying to launch https://github.com/OpenState-SDN/spider
> 
> SPIDER controller seems to be developed in the external project of Ryu-devel, 
> So, I'm sorry if I don't know enough...
> 
> 
>>
>> when I try to Launch SPIDER:
>>
>> $ cd ~/spider/src
>>
>> $ sudo ryu-manager SPIDER_ctrl_WEBAPP.py
>>
>>  
>>
>> I get
>>
>> Traceback (most recent call last):
>> File "/usr/local/bin/ryu-manager", line 9, in 
>> load_entry_point('ryu==3.29', 'console_scripts', 'ryu-manager')() File 
>> "/usr/local/lib/python2.7/dist-packages/ryu/cmd/manager.py", line 88, 
>> in main
>> app_mgr.load_apps(app_lists)
>> File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py", 
>> line 401, in load_apps cls = self.load_app(app_cls_name) File 
>> "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py", line 
>> 378, in load_app mod = utils.import_module(name) File 
>> "/usr/local/lib/python2.7/dist-packages/ryu/utils.py", line 91, in 
>> import_module
>> *import*(name)
>> File "/home/mininet/spider/src/SPIDER_ctrl_WEBAPP.py", line 25, in 
>> import SPIDER_ctrl File "/home/mininet/spider/src/SPIDER_ctrl.py", 
>> line 30, in import SPIDER_parser File 
>> "/home/mininet/spider/src/SPIDER_parser.py", line 33, in from 
>> mininet.topo import Topo File 
>> "build/bdist.linux-x86_64/egg/mininet/topo.py", line 14, in File 
>> "build/bdist.linux-x86_64/egg/mininet/util.py", line 7, in
> 
> Hummm, ImportError seems to be raised at mininet (outside of Ryu).
> Please confirm the version of your mininet matches for SPIDER controller.
> 
> Thanks,
> Iwase
> 
> 
>> ImportError: cannot import name poll
>>
>> Plesae, how to handle with this situation
>>
>> thanks in advance
>>
>>  
>>
>>
>>
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