【问题标题】:Cant start jupyter notebook in Anaconda3, because of error in import _ssl由于导入 _ssl 错误,无法在 Anaconda3 中启动 jupyter notebook
【发布时间】:2020-01-16 11:05:55
【问题描述】:

我刚刚在 windows 10 上安装了最新的 Anaconda,想用 anaconda 提示符启动 jupyter notebook,但出现以下错误。虽然我认为这是一个常见问题,但我找不到解决方案。

(base) C:\Users\Felix>jupyter notebook
Traceback (most recent call last):
  File "C:\Users\MyUser\Anaconda3\Scripts\jupyter-notebook-script.py", line 6, in <module>
    from notebook.notebookapp import main
  File "C:\Users\MyUser\Anaconda3\lib\site-packages\notebook\notebookapp.py", line 62, in <module>
    from tornado import httpserver
  File "C:\Users\MyUser\Anaconda3\lib\site-packages\tornado\httpserver.py", line 29, in <module>
    import ssl
  File "C:\Users\MyUser\Anaconda3\lib\ssl.py", line 98, in <module>
    import _ssl             # if we can't import it, let the error propagate
ImportError: DLL load failed: Die angegebene Prozedur wurde nicht gefunden.

补充: 我不能使用pip 来安装东西。出现以下消息

WARNING: pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available.
Could not fetch URL https://pypi.org/simple/pip/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url: /simple/pip/ (Caused by SSLError("Can't connect to HTTPS URL because the SSL module is not available.")) - skipping

【问题讨论】:

标签: python jupyter-notebook anaconda jupyter


【解决方案1】:

这种情况下出现错误的原因是在Anaconda的DLL之前加载了一些不兼容的DLL。 One of the solutions是通过在Anaconda提示符中设置相应的控制环境变量来使用特殊的Anaconda DLL加载方式:

set CONDA_DLL_SEARCH_MODIFICATION_ENABLE=1

P.S.:不要在每次启动时手动设置变量,您可以将其设置为system environment variable

【讨论】:

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