如何解决 Jupyter Notebook 中的内核错误？ (win64)

Question

我对 Jupyter 笔记本有点陌生。 我在笔记本（Python 3）的右上角收到内核错误，我也无法运行任何代码。

这是错误：

    Traceback (most recent call last):
      File "C:\Users\LAM\Anaconda3\lib\site-packages\tornado\web.py", line 1699, in _execute
        result = await result
      File "C:\Users\LAM\Anaconda3\lib\site-packages\tornado\gen.py", line 742, in run
        yielded = self.gen.throw(*exc_info)  # type: ignore
      File "C:\Users\LAM\Anaconda3\lib\site-packages\notebook\services\sessions\handlers.py", line 72, in post
        type=mtype))
      File "C:\Users\LAM\Anaconda3\lib\site-packages\tornado\gen.py", line 735, in run
        value = future.result()
      File "C:\Users\LAM\Anaconda3\lib\site-packages\tornado\gen.py", line 742, in run
        yielded = self.gen.throw(*exc_info)  # type: ignore
      File "C:\Users\LAM\Anaconda3\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\LAM\Anaconda3\lib\site-packages\tornado\gen.py", line 735, in run
        value = future.result()
      File "C:\Users\LAM\Anaconda3\lib\site-packages\tornado\gen.py", line 742, in run
        yielded = self.gen.throw(*exc_info)  # type: ignore
      File "C:\Users\LAM\Anaconda3\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\LAM\Anaconda3\lib\site-packages\tornado\gen.py", line 735, in run
        value = future.result()
      File "C:\Users\LAM\Anaconda3\lib\site-packages\tornado\gen.py", line 209, in wrapper
        yielded = next(result)
      File "C:\Users\LAM\Anaconda3\lib\site-packages\notebook\services\kernels\kernelmanager.py", line 168, in start_kernel
        super(MappingKernelManager, self).start_kernel(**kwargs)
      File "C:\Users\LAM\Anaconda3\lib\site-packages\jupyter_client\multikernelmanager.py", line 110, in start_kernel
        km.start_kernel(**kwargs)
      File "C:\Users\LAM\Anaconda3\lib\site-packages\jupyter_client\manager.py", line 240, in start_kernel
        self.write_connection_file()
      File "C:\Users\LAM\Anaconda3\lib\site-packages\jupyter_client\connect.py", line 547, in write_connection_file
        kernel_name=self.kernel_name
      File "C:\Users\LAM\Anaconda3\lib\site-packages\jupyter_client\connect.py", line 212, in write_connection_file
        with secure_write(fname) as f:
      File "C:\Users\LAM\Anaconda3\lib\contextlib.py", line 112, in __enter__
        return next(self.gen)
      File "C:\Users\LAM\Anaconda3\lib\site-packages\jupyter_client\connect.py", line 102, in secure_write
        with os.fdopen(os.open(fname, open_flag, 0o600), mode) as f:
    PermissionError: [Errno 13] Permission denied: 'C:\\Users\\LAM\\AppData\\Roaming\\jupyter\\runtime\\kernel-a1df27b5-fc61-47a3-9f67-f3a880aeb05c.json'

Answer 1

请通过创建新的 conda 环境进行尝试。 使用以下命令创建 conda 环境：

conda create -n <env_name> -c intel python=3.6

使用以下命令激活环境：

source activate <env_name>

请在此环境中安装所需的软件包。 请使用以下命令安装 ipykernal：

conda install ipykernel
ipython kernel install --name <env_name> --user

从 jupyter notebook 中选择已安装的 ipykernal。 希望这可以帮助。

请参考以下链接， https://github.com/jupyter/notebook/issues/2301