> On Aug 2, 2019, at 4:31 PM, Waqar Khan <[email protected]> wrote:
>
> Hi,
> I have a twisted server. And I have been seeing this annoying issue.
> Normally. when i develop and test it out. everything is fine..
> But then I try to loadtest is via https://locust.io/ <https://locust.io/>
>
> Again, everything is fine.. until I "stop" the test.
> Then, I see this
> 'Traceback (most recent call last):\n File
> "/usr/local/Cellar/python/3.7.1/Frameworks/Python.framework/Versions/3.7/lib/python3.7/asyncio/events.py",
> line 88, in _run\n self._context.run(self._callback, *self._args)\n File
> "/usr/local/lib/python3.7/site-packages/twisted/internet/defer.py", line 827,
> in adapt\n adapt.actual.callback(extracted)\n File
> "/usr/local/lib/python3.7/site-packages/twisted/internet/defer.py", line 460,
> in callback\n self._startRunCallbacks(result)\n File
> "/usr/local/lib/python3.7/site-packages/twisted/internet/defer.py", line 568,
> in _startRunCallbacks\n self._runCallbacks()\n--- <exception caught here>
> ---\n File
> "/usr/local/lib/python3.7/site-packages/twisted/internet/defer.py", line 654,
> in _runCallbacks\n current.result = callback(current.result, *args,
> **kw)\n File
> ....
> File "/usr/local/lib/python3.7/site-packages/twisted/web/server.py", line
> 238, in write\n http.Request.write(self, data)\n File
> "/usr/local/lib/python3.7/site-packages/twisted/web/http.py", line 1118, in
> write\n self.channel.writeHeaders(version, code, reason,
> headers)\nbuiltins.AttributeError: \'NoneType\' object has no attribute
> \'writeHeaders\'\n'
>
>
> I found this similar bug report:
> https://github.com/buildbot/buildbot/issues/4045
> <https://github.com/buildbot/buildbot/issues/4045>
> But I am using 19.2.1 twisted version..
There is a prerelease version, with this bug fixed, that is awaiting final
release upload right now; can you try with Twisted==19.7.0rc1 ? That should
fix this issue. If not, then we have some investigating to do :-).
-g
-g
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