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Cannot interrupt kernel without killing it #115

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jackkamm opened this issue Aug 26, 2017 · 2 comments · Fixed by #163
Closed

Cannot interrupt kernel without killing it #115

jackkamm opened this issue Aug 26, 2017 · 2 comments · Fixed by #163

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@jackkamm
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jackkamm commented Aug 26, 2017 •
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Hi,

I find that ob-ipython-interrupt-kernel seems to kill instead of interrupting my kernel. After calling it, the ipython session becomes unresponsive, and the *ob-ipython-kernel-default* buffer prints

Process kernel-default finished

Using C-c C-c to interrupt also doesn't work, it neither interrupts nor kills, instead printing out the message, ERROR: Cannot interrupt kernels we didn't start.

A minimal example to reproduce this is

import time
for i in range(10): print(i); time.sleep(1)

Enter this within the *Python* buffer, then try to interrupt with either C-c C-c or ob-ipython-interrupt-kernel.

I am using Python 3.6, emacs 25.2.1, arch linux. I find the above to happen in both spacemacs and "emacs -Q".

Finally, I get some other error messages when starting up, that may or may not be related to this. I only see them in spacemacs (not emacs -Q). However I am posting them below in case they may shed some light on my configuration.

In buffer *ob-ipython-debug*

HTTP/1.1 500 Internal Server Error
Server: TornadoServer/4.5.1
Content-Type: text/html; charset=UTF-8
Date: Sat, 26 Aug 2017 15:56:20 GMT
Content-Length: 93

<html><title>500: Internal Server Error</title><body>500: Internal Server Error</body></html>

In buffer *ob-ipython-client-driver*

ERROR:tornado.application:Uncaught exception POST /execute/default (::1)
HTTPServerRequest(protocol='http', host='localhost:9988', method='POST', uri='/execute/default', version='HTTP/1.1', remote_ip='::1', headers={'Mime-Version': '1.0', 'Connection': 'keep-alive', 'Extension': 'Security/Digest Security/SSL', 'Host': 'localhost:9988', 'Accept-Encoding': 'gzip', 'Accept': '*/*', 'User-Agent': 'URL/Emacs', 'Content-Length': '433'})
Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/tornado/web.py", line 1467, in _stack_context_handle_exception
    raise_exc_info((type, value, traceback))
  File "<string>", line 4, in raise_exc_info
  File "/usr/lib/python3.6/site-packages/tornado/web.py", line 1669, in wrapper
    result = method(self, *args, **kwargs)
  File "/home/jack/.emacs.d/elpa/ob-ipython-20170628.1116/driver.py", line 99, in post
    c = get_client(name)
  File "/home/jack/.emacs.d/elpa/ob-ipython-20170628.1116/driver.py", line 72, in get_client
    clients[name] = create_client(name)
  File "/home/jack/.emacs.d/elpa/ob-ipython-20170628.1116/driver.py", line 60, in create_client
    cf = find_connection_file('emacs-' + name)
  File "/usr/lib/python3.6/site-packages/jupyter_client/connect.py", line 212, in find_connection_file
    raise IOError("Could not find %r in %r" % (filename, path))
OSError: Could not find 'emacs-default' in ['.', '/run/user/1000/jupyter']
ERROR:tornado.access:500 POST /execute/default (::1) 10.76ms
@gregsexton
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Thanks for raising. I've noticed this too. Will look to fix.

@dilzeem
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dilzeem commented Oct 3, 2017

Did you happen to find a resolve for this? I get a similar error.

The images that I create do not render inline but in a separate buffer. This buffer is read-only. It also creates a temporary file that disappears when I close the buffer.

I am using Spacemacs, with Emacs 25.3.2.

@jackkamm jackkamm mentioned this issue Feb 23, 2018
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fix broken interrupt-kernel on unix jackkamm/ob-ipython
3 participants
@gregsexton @dilzeem @jackkamm