CI failures with tornado 6.0a1 #4311

takluyver · 2019-01-02T12:17:09Z

Tornado 6.0a1 was just released, and is being picked up by Travis CI because we use the --pre option to install dependencies. This causes a couple of test failures.

We could drop the --pre flag and continue testing with Tornado 5.x for now. But it's useful to pick up problems when dependencies are in beta or RC.

Tracebacks:

Traceback (most recent call last):
  File "/home/travis/virtualenv/python3.6.3/lib/python3.6/site-packages/tornado/web.py", line 1697, in _execute
    result = method(*self.path_args, **self.path_kwargs)
  File "/home/travis/virtualenv/python3.6.3/lib/python3.6/site-packages/tornado/web.py", line 3174, in wrapper
    return method(self, *args, **kwargs)
  File "/home/travis/build/jupyter/notebook/notebook/nbconvert/handlers.py", line 91, in get
    exporter = get_exporter(format, config=self.config, log=self.log)
  File "/home/travis/build/jupyter/notebook/notebook/nbconvert/handlers.py", line 61, in get_exporter
    from nbconvert.exporters.base import get_exporter
  File "/home/travis/virtualenv/python3.6.3/lib/python3.6/site-packages/nbconvert/__init__.py", line 7, in <module>
    from . import postprocessors
  File "/home/travis/virtualenv/python3.6.3/lib/python3.6/site-packages/nbconvert/postprocessors/__init__.py", line 5, in <module>
    from .serve import ServePostProcessor
  File "/home/travis/virtualenv/python3.6.3/lib/python3.6/site-packages/nbconvert/postprocessors/serve.py", line 19, in <module>
    class ProxyHandler(web.RequestHandler):
  File "/home/travis/virtualenv/python3.6.3/lib/python3.6/site-packages/nbconvert/postprocessors/serve.py", line 21, in ProxyHandler
    @web.asynchronous
AttributeError: module 'tornado.web' has no attribute 'asynchronous'

...

Traceback (most recent call last):
  File "/home/travis/build/jupyter/notebook/notebook/services/kernels/tests/test_kernels_api.py", line 176, in test_connections
    ws = self.kern_api.websocket(kid)
  File "/home/travis/build/jupyter/notebook/notebook/services/kernels/tests/test_kernels_api.py", line 65, in websocket
    return loop.run_sync(lambda : f)
  File "/home/travis/virtualenv/python3.6.3/lib/python3.6/site-packages/tornado/ioloop.py", line 531, in run_sync
    return future_cell[0].result()
tornado.websocket.WebSocketError: Non-websocket response

The text was updated successfully, but these errors were encountered:

takluyver · 2019-01-02T12:32:04Z

I opened an issue on pip to request the ability to install betas but not alphas: pypa/pip#6110

takluyver · 2019-01-02T12:46:12Z

The first traceback there is a failure importing nbconvert; I've made PR jupyter/nbconvert#937 to fix that. No idea about the "Non-websocket response" at the moment.

It's probably sensible to constrain tornado<6 for a while, as I've done in #4310.

liavkoren · 2019-02-05T17:47:53Z

I just ran into this issue, should I install of master or do you guys expect to cut a release soon?
(Also, thank you for the time and attention you guys put into this package. : )

cguethle · 2019-03-01T20:12:10Z

tornado 6.0 dropped today and broke our stuff with this issue. Seems this was not resolved prior to release.

danking · 2019-03-01T20:13:44Z

Also appears to be affecting us.

danking · 2019-03-01T20:21:23Z

@takluyver Looks like jupyter just needs to publish to PyPI. #4310 wasn't included in the last publish on December 17, 2018.

spex66 · 2019-03-04T10:42:29Z

Since it is atm only in master, here is how I limited tornado to <6 until the fix is deployed to conda packages.

Warning: I'm a conda noob and googled this stuff, but it worked for me.
(i.e. I still don't know where conda saved this environment change to)

I created one yml file:

name: base
dependencies:
   - tornado<6

And updated conda base (aka root) environment with it like so:

conda env update -f 190304-root-env-patch-tornado.yml

thx to SO post:

https://stackoverflow.com/a/32799944/1104502

Now I need to remember, when this is fixed in conda and to remove this patch again :)

Tantael · 2019-03-04T12:19:05Z

That why you should never use undefined package version on your production :D

amadeann · 2019-03-04T16:33:36Z

The solution from @spex66 worked from me as well. Thanks!

edgarriba · 2019-03-04T21:12:03Z

same error here 😭

jupyter/notebook#4311

lkhphuc · 2019-03-06T03:39:38Z

I was not able to run the newest version install with conda install jupyterlab.
After that I downgrade tornado using conda install tornado=5.1.1 and it was good to go.

Zhaoxian-Wu · 2019-03-06T08:50:31Z

I try the solution from @spex66 , but it seems not to work in my machine,

Solving environment: failed

UnsatisfiableError: The following specifications were found to be in conflict:
  - spyder-kernels
  - tornado[version='<6']
Use "conda info <package>" to see the dependencies for each package.

Clobbe · 2019-03-06T10:38:24Z

Thx @spex66, this solved my issue as well! 🙌 🚀 🥳

minrk · 2019-03-06T13:38:53Z

The first issue is fixed by nbconvert 5.4.1, the second by notebook 5.7.5

edgarriba · 2019-03-06T15:18:17Z

in my case, I solved it by specifying to conda to install tornado<6.
@minrk when are you planning to fix this ?

minrk · 2019-03-06T15:30:28Z

@edgarriba it's already fixed. nbconvert 5.4.1 was out with a fix for web.asynchronous a month ago, while notebook 5.7.5 finished up its own tornado 6 compatibility fixes today.

If you're using conda:

conda install nbconvert notebook

should work with tornado 6. Otherwise, pip install --upgrade nbconvert notebook should do the same.

- `scp` no longer allows the `.` path as the source, so we use `$(pwd)` instead. https://superuser.com/questions/1403473/scp-error-unexpected-filename - Newer tornado does not work with older nbconvert, so we're using new nbconvert now. jupyter/notebook#4311

This is a problem with the nbconvert/notebook and tornado packages which was causing the Jupyter server to fail. Updating to the most recent versions should fix this. See below for more details: jupyter/notebook#4311

ibabeo · 2019-03-14T10:28:25Z

@lkhphuc Thanks. It saved my day!
btw
I first pip downgrade tornado it didn't work, then I conda downgrade tornado, it worked.
For someone completely new, this info might help..

swiss-knight · 2019-03-27T15:44:03Z

Same issue with tornado 6.0.2.

mdv3101 · 2019-04-03T12:06:56Z

Stop ruining and wasting time of others..
This issue is still pending and creating a havoc for others.

aysark · 2019-04-11T05:06:46Z

Just ran into this issue after upgrading 😐

jupyter/notebook#4311

liavkoren · 2021-03-06T20:09:07Z

I just ran into this issue again, with fresh installs of jupyter with both pip and conda. The conda stacktraces were:

 Uncaught exception GET /notebooks/Untitled6.ipynb?kernel_name=python3 (127.0.0.1)
    HTTPServerRequest(protocol='http', host='localhost:8888', method='GET', uri='/notebooks/Untitled6.ipynb?kernel_name=python3', version='HTTP/1.1', remote_ip='127.0.0.1')
    Traceback (most recent call last):
      File "/Users/liavkoren/anaconda3/envs/dnd-sci/lib/python3.8/site-packages/tornado/web.py", line 1704, in _execute
        result = await result
      File "/Users/liavkoren/anaconda3/envs/dnd-sci/lib/python3.8/site-packages/tornado/gen.py", line 775, in run
        yielded = self.gen.send(value)
      File "/Users/liavkoren/anaconda3/envs/dnd-sci/lib/python3.8/site-packages/notebook/notebook/handlers.py", line 95, in get
        self.write(self.render_template('notebook.html',
      File "/Users/liavkoren/anaconda3/envs/dnd-sci/lib/python3.8/site-packages/notebook/base/handlers.py", line 516, in render_template
        return template.render(**ns)
      File "/Users/liavkoren/anaconda3/envs/dnd-sci/lib/python3.8/site-packages/jinja2/environment.py", line 1090, in render
        self.environment.handle_exception()
      File "/Users/liavkoren/anaconda3/envs/dnd-sci/lib/python3.8/site-packages/jinja2/environment.py", line 832, in handle_exception
        reraise(*rewrite_traceback_stack(source=source))
      File "/Users/liavkoren/anaconda3/envs/dnd-sci/lib/python3.8/site-packages/jinja2/_compat.py", line 28, in reraise
        raise value.with_traceback(tb)
      File "/Users/liavkoren/anaconda3/envs/dnd-sci/lib/python3.8/site-packages/notebook/templates/notebook.html", line 1, in top-level template code
        {% extends "page.html" %}
      File "/Users/liavkoren/anaconda3/envs/dnd-sci/lib/python3.8/site-packages/notebook/templates/page.html", line 154, in top-level template code
        {% block header %}
      File "/Users/liavkoren/anaconda3/envs/dnd-sci/lib/python3.8/site-packages/notebook/templates/notebook.html", line 115, in block "header"
        {% for exporter in get_frontend_exporters() %}
      File "/Users/liavkoren/anaconda3/envs/dnd-sci/lib/python3.8/site-packages/notebook/notebook/handlers.py", line 40, in get_frontend_exporters
        for name in get_export_names():
      File "/Users/liavkoren/anaconda3/envs/dnd-sci/lib/python3.8/site-packages/nbconvert/exporters/base.py", line 141, in get_export_names
        e = get_exporter(exporter_name)(config=config)
      File "/Users/liavkoren/anaconda3/envs/dnd-sci/lib/python3.8/site-packages/nbconvert/exporters/base.py", line 102, in get_exporter
        if getattr(exporter(config=config), 'enabled', True):
      File "/Users/liavkoren/anaconda3/envs/dnd-sci/lib/python3.8/site-packages/nbconvert/exporters/templateexporter.py", line 325, in __init__
        super().__init__(config=config, **kw)
      File "/Users/liavkoren/anaconda3/envs/dnd-sci/lib/python3.8/site-packages/nbconvert/exporters/exporter.py", line 114, in __init__
        self._init_preprocessors()
      File "/Users/liavkoren/anaconda3/envs/dnd-sci/lib/python3.8/site-packages/nbconvert/exporters/templateexporter.py", line 491, in _init_preprocessors
        conf = self._get_conf()
      File "/Users/liavkoren/anaconda3/envs/dnd-sci/lib/python3.8/site-packages/nbconvert/exporters/templateexporter.py", line 509, in _get_conf
        if conf_path.exists():
      File "/Users/liavkoren/anaconda3/envs/dnd-sci/lib/python3.8/pathlib.py", line 1400, in exists
        self.stat()
      File "/Users/liavkoren/anaconda3/envs/dnd-sci/lib/python3.8/pathlib.py", line 1197, in stat
        return self._accessor.stat(self)
    PermissionError: [Errno 13] Permission denied: '/usr/local/share/jupyter/nbconvert/templates/latex/conf.json'

Which was fixed by chowning /usr/local/share/jupyter/nbconvert/.

danking mentioned this issue Mar 1, 2019

Hail 0.2 cloudtools clusters fail to connect to Jupyter kernel hail-is/hail#5505

Closed

msalvaris mentioned this issue Mar 4, 2019

We may need to restrict tornado<6 in environment.yaml microsoft/az-ml-realtime-score#16

Closed

rmccorm4 mentioned this issue Mar 5, 2019

update indexable() to just yield dask dataframes (issue #324) dask/dask-ml#471

Merged

jan-janssen added a commit to pyiron/pyiron that referenced this issue Mar 5, 2019

Force tornado<6

7131f6a

jupyter/notebook#4311

ericpre mentioned this issue Mar 6, 2019

Notebook recipe broken with tornado=6? conda-forge/notebook-feedstock#45

Closed

minrk closed this as completed Mar 6, 2019

minrk added this to the Not Notebook milestone Mar 6, 2019

david-waterworth mentioned this issue Mar 12, 2019

500 Internal Server Error with latest Tornado #4474

Closed

h-vetinari mentioned this issue Mar 14, 2019

Remove py27 CI jobs pandas-dev/pandas#24942

Merged

pblouw mentioned this issue Mar 14, 2019

Add keyword spotting demos nengo/nengo-examples#21

Closed

dan-coates mentioned this issue Apr 3, 2019

Exception when running with Tornado v6 mozilla/jupyter-spark#52

Open

thequackdaddy mentioned this issue Apr 9, 2019

DOC: Move magic statsmodels/statsmodels#5322

Merged

moorepants mentioned this issue Nov 11, 2019

"Export Notebook As..." pdf returns a 500 error LibreTexts/metalc#60

Closed

jan-janssen added a commit to pyiron/pyiron_base that referenced this issue Sep 9, 2020

Force tornado<6

cee6e94

jupyter/notebook#4311

jan-janssen added a commit to pyiron/pyiron_base that referenced this issue Sep 9, 2020

Force tornado<6

78751bc

jupyter/notebook#4311

jan-janssen added a commit to pyiron/pyiron_base that referenced this issue Sep 9, 2020

Force tornado<6

df831be

jupyter/notebook#4311

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CI failures with tornado 6.0a1 #4311

CI failures with tornado 6.0a1 #4311

takluyver commented Jan 2, 2019

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liavkoren commented Mar 6, 2021

CI failures with tornado 6.0a1 #4311

CI failures with tornado 6.0a1 #4311

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takluyver commented Jan 2, 2019

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