python - Can't run any ipynb files using Jupyter Lab or Jupyter Notebook (FileNotFoundError: [WinError 2] The system cannot find the file specified)
问题描述
我在 Win10 上运行 JupyterLab/JupyterNotebook,在 Windows 10 上运行 Python 和 PyCharm。每当我启动 JupyterLab/JupyterNotebook 时,都会出现以下错误。我尝试重新安装 Anaconda-distribution 或任何其他 Python 实例,但每次启动 JupyterLab/Notebook 时都会出现相同的错误。我也尝试在带有 Win 7 的远程服务器上运行它,但它给了我完全相同的错误。我的一部分认为我在安装 Anaconda、Python 和 PyCharm 时犯了同样的错误,现在我无法将其恢复。有什么建议么?
Traceback (most recent call last):
File "E:\anaconda3\lib\site-packages\tornado\web.py", line 1543, in _execute
result = yield result
File "E:\anaconda3\lib\site-packages\tornado\gen.py", line 1099, in run
value = future.result()
File "E:\anaconda3\lib\site-packages\tornado\gen.py", line 1107, in run
yielded = self.gen.throw(*exc_info)
File "E:\anaconda3\lib\site-packages\notebook\services\sessions\handlers.py", line 73, in post
type=mtype))
File "E:\anaconda3\lib\site-packages\tornado\gen.py", line 1099, in run
value = future.result()
File "E:\anaconda3\lib\site-packages\tornado\gen.py", line 1107, in run
yielded = self.gen.throw(*exc_info)
File "E:\anaconda3\lib\site-packages\notebook\services\sessions\sessionmanager.py", line 79, in create_session
kernel_id = yield self.start_kernel_for_session(session_id, path, name, type, kernel_name)
File "E:\anaconda3\lib\site-packages\tornado\gen.py", line 1099, in run
value = future.result()
File "E:\anaconda3\lib\site-packages\tornado\gen.py", line 1107, in run
yielded = self.gen.throw(*exc_info)
File "E:\anaconda3\lib\site-packages\notebook\services\sessions\sessionmanager.py", line 92, in start_kernel_for_session
self.kernel_manager.start_kernel(path=kernel_path, kernel_name=kernel_name)
File "E:\anaconda3\lib\site-packages\tornado\gen.py", line 1099, in run
value = future.result()
File "E:\anaconda3\lib\site-packages\tornado\gen.py", line 315, in wrapper
yielded = next(result)
File "E:\anaconda3\lib\site-packages\notebook\services\kernels\kernelmanager.py", line 148, in start_kernel
super(MappingKernelManager, self).start_kernel(**kwargs)
File "E:\anaconda3\lib\site-packages\jupyter_client\multikernelmanager.py", line 110, in start_kernel
km.start_kernel(**kwargs)
File "E:\anaconda3\lib\site-packages\jupyter_client\manager.py", line 259, in start_kernel
**kw)
File "E:\anaconda3\lib\site-packages\jupyter_client\manager.py", line 204, in _launch_kernel
return launch_kernel(kernel_cmd, **kw)
File "E:\anaconda3\lib\site-packages\jupyter_client\launcher.py", line 128, in launch_kernel
proc = Popen(cmd, **kwargs)
File "E:\anaconda3\lib\subprocess.py", line 709, in __init__
restore_signals, start_new_session)
File "E:\anaconda3\lib\subprocess.py", line 997, in _execute_child
startupinfo)
FileNotFoundError: [WinError 2] The system cannot find the file specified
解决方案
这可能是因为您删除了一个 env 并且仍然有对该 env 的引用。要解决此问题,请在命令提示符下运行以下命令:
python -m ipykernel install --user
希望这可以帮助 :)
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