问题现象
Traceback (most recent call last): File "D:\Anaconda3\envs\robot-env\lib\site-packages\tornado\web.py", line 1592, in _execute result = yield result File "D:\Anaconda3\envs\robot-env\lib\site-packages\tornado\gen.py", line 1133, in run value = future.result() File "D:\Anaconda3\envs\robot-env\lib\site-packages\tornado\gen.py", line 1141, in run yielded = self.gen.throw(*exc_info) File "D:\Anaconda3\envs\robot-env\lib\site-packages\notebook\services\sessions\handlers.py", line 73, in post type=mtype)) File "D:\Anaconda3\envs\robot-env\lib\site-packages\tornado\gen.py", line 1133, in run value = future.result() File "D:\Anaconda3\envs\robot-env\lib\site-packages\tornado\gen.py", line 1141, in run yielded = self.gen.throw(*exc_info) File "D:\Anaconda3\envs\robot-env\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 "D:\Anaconda3\envs\robot-env\lib\site-packages\tornado\gen.py", line 1133, in run value = future.result() File "D:\Anaconda3\envs\robot-env\lib\site-packages\tornado\gen.py", line 1141, in run yielded = self.gen.throw(*exc_info) File "D:\Anaconda3\envs\robot-env\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 "D:\Anaconda3\envs\robot-env\lib\site-packages\tornado\gen.py", line 1133, in run value = future.result() File "D:\Anaconda3\envs\robot-env\lib\site-packages\tornado\gen.py", line 326, in wrapper yielded = next(result) File "D:\Anaconda3\envs\robot-env\lib\site-packages\notebook\services\kernels\kernelmanager.py", line 160, in start_kernel super(MappingKernelManager, self).start_kernel(**kwargs) File "D:\Anaconda3\envs\robot-env\lib\site-packages\jupyter_client\multikernelmanager.py", line 110, in start_kernel km.start_kernel(**kwargs) File "D:\Anaconda3\envs\robot-env\lib\site-packages\jupyter_client\manager.py", line 259, in start_kernel **kw) File "D:\Anaconda3\envs\robot-env\lib\site-packages\jupyter_client\manager.py", line 204, in _launch_kernel return launch_kernel(kernel_cmd, **kw) File "D:\Anaconda3\envs\robot-env\lib\site-packages\jupyter_client\launcher.py", line 128, in launch_kernel proc = Popen(cmd, **kwargs) File "D:\Anaconda3\envs\robot-env\lib\subprocess.py", line 709, in __init__ restore_signals, start_new_session) File "D:\Anaconda3\envs\robot-env\lib\subprocess.py", line 997, in _execute_child startupinfo) FileNotFoundError: [WinError 2] 系统找不到指定的文件。 错误截图：
解决方法
- 进入python环境，如果是虚拟环境需要切换到对应的环境下，如下图：
- 使用
jupyter kernelspec list查询配置文件所在位置 - 打开
kernel.json文件，发现红框指定的python路径不正确，修改成正确的路径 - 修改后的样子
- 重新启动一次jupyter notebook即可。
