Quantcast
Channel: Active questions tagged kernel - Stack Overflow
Viewing all articles
Browse latest Browse all 6334

How do if fix this Jupyter notebook kernel error?

$
0
0

I am having an issue with Jupyter notebook.

For some reason it always shows a Kernel error in the top right, next to my Jupyter notebook.When I click on it, it gives the error message below.

Can someone please help me and tell me how to fix this?

Traceback (most recent call last):  File "c:\users\<username>\appdata\local\programs\python\python37\lib\site-packages\tornado\web.py", line 1592, in _execute    result = yield result  File "c:\users\<username>\appdata\local\programs\python\python37\lib\site-packages\tornado\gen.py", line 1133, in run    value = future.result()  File "c:\users\<username>\appdata\local\programs\python\python37\lib\site-packages\tornado\gen.py", line 1141, in run    yielded = self.gen.throw(*exc_info)  File "c:\users\<username>\appdata\local\programs\python\python37\lib\site-packages\notebook\services\sessions\handlers.py", line 72, in post    type=mtype))  File "c:\users\<username>\appdata\local\programs\python\python37\lib\site-packages\tornado\gen.py", line 1133, in run    value = future.result()  File "c:\users\<username>\appdata\local\programs\python\python37\lib\site-packages\tornado\gen.py", line 1141, in run    yielded = self.gen.throw(*exc_info)  File "c:\users\<username>\appdata\local\programs\python\python37\lib\site-packages\notebook\services\sessions\sessionmanager.py", line 88, in create_session    kernel_id = yield self.start_kernel_for_session(session_id, path, name, type, kernel_name)  File "c:\users\<username>\appdata\local\programs\python\python37\lib\site-packages\tornado\gen.py", line 1133, in run    value = future.result()  File "c:\users\<username>\appdata\local\programs\python\python37\lib\site-packages\tornado\gen.py", line 1141, in run    yielded = self.gen.throw(*exc_info)  File "c:\users\<username>\appdata\local\programs\python\python37\lib\site-packages\notebook\services\sessions\sessionmanager.py", line 101, in start_kernel_for_session    self.kernel_manager.start_kernel(path=kernel_path, kernel_name=kernel_name)  File "c:\users\<username>\appdata\local\programs\python\python37\lib\site-packages\tornado\gen.py", line 1133, in run    value = future.result()  File "c:\users\<username>\appdata\local\programs\python\python37\lib\site-packages\tornado\gen.py", line 326, in wrapper    yielded = next(result)  File "c:\users\<username>\appdata\local\programs\python\python37\lib\site-packages\notebook\services\kernels\kernelmanager.py", line 168, in start_kernel    super(MappingKernelManager, self).start_kernel(**kwargs)  File "c:\users\<username>\appdata\local\programs\python\python37\lib\site-packages\jupyter_client\multikernelmanager.py", line 110, in start_kernel    km.start_kernel(**kwargs)  File "c:\users\<username>\appdata\local\programs\python\python37\lib\site-packages\jupyter_client\manager.py", line 259, in start_kernel    **kw)  File "c:\users\<username>\appdata\local\programs\python\python37\lib\site-packages\jupyter_client\manager.py", line 204, in _launch_kernel    return launch_kernel(kernel_cmd, **kw)  File "c:\users\<username>\appdata\local\programs\python\python37\lib\site-packages\jupyter_client\launcher.py", line 138, in launch_kernel    proc = Popen(cmd, **kwargs)  File "c:\users\<username>\appdata\local\programs\python\python37\lib\subprocess.py", line 800, in __init__    restore_signals, start_new_session)  File "c:\users\<username>\appdata\local\programs\python\python37\lib\subprocess.py", line 1207, in _execute_child    startupinfo)FileNotFoundError: [WinError 2] The system cannot find the file specified

Setup details:- Local virtual environment- Use pip for installing packages

Results of pip list (when virtual environment is active):

Package                       Version   ----------------------------- ----------alabaster                     0.7.12appdirs                       1.4.3attrs                         19.3.0autopep8                      1.5Babel                         2.8.0backcall                      0.1.0bleach                        3.1.0certifi                       2020.4.5.1chardet                       3.0.4colorama                      0.4.3cvxopt                        1.2.3decorator                     4.4.1defusedxml                    0.6.0distlib                       0.3.0docutils                      0.16entrypoints                   0.3filelock                      3.0.12flask                         1.1.1idna                          2.8imagesize                     1.2.0     importlib-metadata            1.5.0ipykernel                     5.1.4ipyparallel                   6.2.5ipython                       7.13.0ipython-genutils              0.2.0ipywidgets                    7.5.1jedi                          0.16.0Jinja2                        2.11.1jsonschema                    3.2.0jupyter                       1.0.0jupyter-client                5.3.4jupyter-console               6.1.0jupyter-core                  4.6.1MarkupSafe                    1.1.1mistune                       0.8.4     nbconvert                     5.6.1nbformat                      5.0.4nose                          1.3.7notebook                      6.0.3numpy                         1.18.1packaging                     20.3pandas                        1.0.1pandocfilters                 1.4.2parso                         0.6.1pickleshare                   0.7.5pip                           20.0.2prometheus-client             0.7.1prompt-toolkit                3.0.3pycodestyle                   2.5.0Pygments                      2.5.2pyparsing                     2.4.7pyrsistent                    0.15.7python-dateutil               2.8.1pytz                          2019.3pywin32                       227pywinpty                      0.5.7pyzmq                         18.1.1qtconsole                     4.6.0requests                      2.21.0Send2Trash                    1.5.0setuptools                    41.2.0six                           1.14.0snowballstemmer               2.0.0Sphinx                        3.0.2sphinxcontrib-applehelp       1.0.2sphinxcontrib-devhelp         1.0.2sphinxcontrib-htmlhelp        1.0.3sphinxcontrib-jsmath          1.0.1sphinxcontrib-qthelp          1.0.3sphinxcontrib-serializinghtml 1.1.4terminado                     0.8.3testpath                      0.4.4tornado                       5.1.1traitlets                     4.3.3urllib3                       1.24.3virtualenv                    20.0.14wcwidth                       0.1.8webencodings                  0.5.1widgetsnbextension            3.5.1zipp                          2.1.0

Viewing all articles
Browse latest Browse all 6334

Trending Articles