It turns out that my jupyter version was a bit old. I updated jupyter_core, jupyter_client, jupyter_console and pyzmq and after that jupyter notebook works again.
Jon On Mon, Mar 13, 2017 at 1:07 PM, Jonathan Slavin <[email protected]> wrote: > Hi, > > It's been a little while since I last used a jupyter notebook, but when I > last did it worked fine. However now when I try to start one I get: > > jupyter notebook > [I 12:47:24.487 NotebookApp] Serving notebooks from local directory: > /export/slavin/FLASH/mmsnr > [I 12:47:24.488 NotebookApp] 0 active kernels > [I 12:47:24.488 NotebookApp] The IPython Notebook is running at: > http://localhost:8888/ > [I 12:47:24.488 NotebookApp] Use Control-C to stop this server and shut > down all kernels (twice to skip confirmation). > Traceback (most recent call last): > File "/export/slavin/python/anaconda/bin/jupyter-notebook", line 6, in > <module> > sys.exit(main()) > File "/export/slavin/python/anaconda/lib/python2.7/site- > packages/jupyter_core/application.py", line 267, in launch_instance > return super(JupyterApp, cls).launch_instance(argv=argv, **kwargs) > File "/export/slavin/python/anaconda/lib/python2.7/site- > packages/traitlets/config/application.py", line 589, in launch_instance > app.start() > File "/export/slavin/python/anaconda/lib/python2.7/site- > packages/notebook/notebookapp.py", line 1089, in start > self.io_loop = ioloop.IOLoop.current() > AttributeError: type object 'IOLoop' has no attribute 'current' > > and in my chrome browser I get a page that says: > "This site can’t be reached > > localhost refused to connect. > Try: > Checking the connection > Checking the proxy and the firewall > ERR_CONNECTION_REFUSED" > > I figure that the python error is caused by the connection being refused. > > I've checked my proxy settings and those are fine. I asked and my > sysadmin turned off my firewall. Same result. > I'm running on CentOS 6.8 and using an anaconda install of python 2.7.11 > and jupyter 4.0.6. My chrome version is 57.0.2987.98. Thanks in advance > for any help you can offer. > > Regards, > Jon > > -- > You received this message because you are subscribed to a topic in the > Google Groups "Project Jupyter" group. > To unsubscribe from this topic, visit https://groups.google.com/d/ > topic/jupyter/iSv5V-f1UHo/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > To post to this group, send email to [email protected]. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/jupyter/7d019aaa-e60b-4988-87ed-1de68fd517d7%40googlegroups.com > <https://groups.google.com/d/msgid/jupyter/7d019aaa-e60b-4988-87ed-1de68fd517d7%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- ________________________________________________________ Jonathan D. Slavin Harvard-Smithsonian CfA [email protected] 60 Garden Street, MS 83 phone: (617) 496-7981 Cambridge, MA 02138-1516 cell: (781) 363-0035 USA ________________________________________________________ -- You received this message because you are subscribed to the Google Groups "Project Jupyter" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jupyter/CACcRS%3DeE%3Dnc8s5%3DE-x6et7vnBu4Wij_aJAAqRnwXOiu-Q7irRg%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
