【发布时间】：2019-12-13 02:07:47
【问题描述】：
所以我刚刚安装了 anaconda 3 并在 anaconda 提示符下运行“jupyter notebook”，这会打开 jupyter。但是，当我打开一个新的 python 3 笔记本时，由于内核错误“无法启动内核”，我无法运行任何代码，并显示以下错误消息
Traceback (most recent call last):
File "C:\Users\Janko\Anaconda3\lib\site-packages\tornado\web.py", line 1699, in _execute
result = await result
File "C:\Users\Janko\Anaconda3\lib\site-packages\tornado\gen.py", line 742, in run
yielded = self.gen.throw(*exc_info) # type: ignore
File "C:\Users\Janko\Anaconda3\lib\site-packages\notebook\services\sessions\handlers.py", line 72, in post
type=mtype))
File "C:\Users\Janko\Anaconda3\lib\site-packages\tornado\gen.py", line 735, in run
value = future.result()
File "C:\Users\Janko\Anaconda3\lib\site-packages\tornado\gen.py", line 742, in run
yielded = self.gen.throw(*exc_info) # type: ignore
File "C:\Users\Janko\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\Janko\Anaconda3\lib\site-packages\tornado\gen.py", line 735, in run
value = future.result()
File "C:\Users\Janko\Anaconda3\lib\site-packages\tornado\gen.py", line 742, in run
yielded = self.gen.throw(*exc_info) # type: ignore
File "C:\Users\Janko\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\Janko\Anaconda3\lib\site-packages\tornado\gen.py", line 735, in run
value = future.result()
File "C:\Users\Janko\Anaconda3\lib\site-packages\tornado\gen.py", line 209, in wrapper
yielded = next(result)
File "C:\Users\Janko\Anaconda3\lib\site-packages\notebook\services\kernels\kernelmanager.py", line 168, in start_kernel
super(MappingKernelManager, self).start_kernel(**kwargs)
File "C:\Users\Janko\Anaconda3\lib\site-packages\jupyter_client\multikernelmanager.py", line 110, in start_kernel
km.start_kernel(**kwargs)
File "C:\Users\Janko\Anaconda3\lib\site-packages\jupyter_client\manager.py", line 240, in start_kernel
self.write_connection_file()
File "C:\Users\Janko\Anaconda3\lib\site-packages\jupyter_client\connect.py", line 547, in write_connection_file
kernel_name=self.kernel_name
File "C:\Users\Janko\Anaconda3\lib\site-packages\jupyter_client\connect.py", line 212, in write_connection_file
with secure_write(fname) as f:
File "C:\Users\Janko\Anaconda3\lib\contextlib.py", line 112, in __enter__
return next(self.gen)
File "C:\Users\Janko\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\\Janko\\AppData\\Roaming\\jupyter\\runtime\\kernel-624a372e-0a69-4eda-8068-85cfa1e7c4bd.json'
我尝试用谷歌搜索，但找不到解决方法。请记住，我对内核、环境和我在对类似问题的回复中读到的其他术语不太熟悉，因此我的故障排除能力相当有限（抱歉）。这是我的 kernels.json 文件（其中确实包含 python 可执行文件的正确路径），对类似问题的响应通常与该文件相关联。我感到困惑的另一件事是文件路径有双反斜杠，但如果我改为单反斜杠，jupyter 会说找不到内核。
{
"argv": [
"C:\\Users\\Janko\\Anaconda3\\python.exe",
"-m",
"ipykernel_launcher",
"-f",
"{connection_file}"
],
"display_name": "Python 3",
"language": "python"
}
谢谢！
【问题讨论】：
-
尝试以管理员身份运行
-
@zRAA 哇，它成功了，谢谢！但是，jupyter 主页现在显示了大约 4500 个不同的文件和文件夹（大量的 .dll 文件），这些都不是我期望找到的常规文档/桌面/计算机内容。这让我的笔记本电脑变得非常慢。就像需要一分钟才能向下滚动一英寸慢。如果我关闭所有内容并再次运行（不是以管理员身份），我会看到所有正常文件夹，但随后我再次收到内核错误...
标签： python jupyter-notebook anaconda kernel jupyter