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這篇文章主要講解了Jupyter因卸載重裝導(dǎo)致的問(wèn)題修復(fù)方案,內(nèi)容清晰明了,對(duì)此有興趣的小伙伴可以學(xué)習(xí)一下,相信大家閱讀完之后會(huì)有幫助。
因?yàn)橐恍┰?卸載了Anaconda2的版本,轉(zhuǎn)向3..發(fā)現(xiàn)Jupyter掛了.百思不得其解.后來(lái)了解到是因?yàn)閮?nèi)核找不到的問(wèn)題導(dǎo)致的.這里整理了一下處理辦法
錯(cuò)誤內(nèi)容:
Traceback (most recent call last): File "c:\program files\python36\lib\site-packages\tornado\web.py", line 1543, in _execute result = yield result File "c:\program files\python36\lib\site-packages\tornado\gen.py", line 1099, in run value = future.result() File "c:\program files\python36\lib\site-packages\tornado\gen.py", line 1107, in run yielded = self.gen.throw(*exc_info) File "c:\program files\python36\lib\site-packages\notebook\services\sessions\handlers.py", line 73, in post type=mtype)) File "c:\program files\python36\lib\site-packages\tornado\gen.py", line 1099, in run value = future.result() File "c:\program files\python36\lib\site-packages\tornado\gen.py", line 1107, in run yielded = self.gen.throw(*exc_info) File "c:\program files\python36\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 "c:\program files\python36\lib\site-packages\tornado\gen.py", line 1099, in run value = future.result() File "c:\program files\python36\lib\site-packages\tornado\gen.py", line 1107, in run yielded = self.gen.throw(*exc_info) File "c:\program files\python36\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 "c:\program files\python36\lib\site-packages\tornado\gen.py", line 1099, in run value = future.result() File "c:\program files\python36\lib\site-packages\tornado\gen.py", line 315, in wrapper yielded = next(result) File "c:\program files\python36\lib\site-packages\notebook\services\kernels\kernelmanager.py", line 148, in start_kernel super(MappingKernelManager, self).start_kernel(**kwargs) File "c:\program files\python36\lib\site-packages\jupyter_client\multikernelmanager.py", line 110, in start_kernel km.start_kernel(**kwargs) File "c:\program files\python36\lib\site-packages\jupyter_client\manager.py", line 259, in start_kernel **kw) File "c:\program files\python36\lib\site-packages\jupyter_client\manager.py", line 204, in _launch_kernel return launch_kernel(kernel_cmd, **kw) File "c:\program files\python36\lib\site-packages\jupyter_client\launcher.py", line 128, in launch_kernel proc = Popen(cmd, **kwargs) File "c:\program files\python36\lib\subprocess.py", line 709, in __init__ restore_signals, start_new_session) File "c:\program files\python36\lib\subprocess.py", line 997, in _execute_child startupinfo) FileNotFoundError: [WinError 2] 系統(tǒng)找不到指定的文件。
解決辦法
首先使用jupyter kernelspec list查看安裝的內(nèi)核和位置
2.進(jìn)入安裝內(nèi)核目錄打開(kāi)kernel.jason文件,查看Python編譯器的路徑是否正確(其實(shí)筆者的問(wèn)題就是因?yàn)槁窂讲徽_導(dǎo)致的),修改錯(cuò)誤的這個(gè)配置.
3.重啟jupyter notebook即可
網(wǎng)絡(luò)上一些其他解決辦法
1.首先使用jupyter kernelspec list查看安裝的內(nèi)核和位置
2.進(jìn)入安裝內(nèi)核目錄打開(kāi)kernel.jason文件,查看Python編譯器的路徑是否正確
如果不正確python -m ipykernel install --user重新安裝內(nèi)核,如果有多個(gè)內(nèi)核,如果你使用conda create -n python2 python=2,為Python2.7設(shè)置conda變量,那么在anacoda下使用activate pyhton2切換python環(huán)境,重新使用python -m ipykernel install --user安裝內(nèi)核
3.重啟jupyter notebook即可
補(bǔ)充知識(shí):關(guān)于jupyter內(nèi)核(kernel)錯(cuò)誤處理方法
首先明確起因:
卸載重裝,或者之前有裝過(guò)ipython,導(dǎo)致再次安裝后,內(nèi)核匹配的路徑錯(cuò)誤,沒(méi)有指向新安裝的位置。理論上有兩種處理方法:
方法一:
手動(dòng)修改路徑:
1.首先使用jupyter kernelspec list查看安裝的內(nèi)核和位置
2.進(jìn)入安裝內(nèi)核目錄打開(kāi)kernel.jason文件,查看Python編譯器的路徑 是否正確(其實(shí)筆者的問(wèn)題就是因?yàn)槁窂讲徽_導(dǎo)致的),修改錯(cuò)誤的這個(gè)配置.
3.重啟jupyter notebook即可
注:理論上沒(méi)有問(wèn)題,但是我在實(shí)踐的時(shí)候沒(méi)有查找到這個(gè)文件,可能是版本問(wèn)題,如果有經(jīng)驗(yàn)的話(huà),這個(gè)方法比較快捷。
方法二:
暴力重裝:
暴力的意思就是徹底重裝,之前我有試過(guò)sudo pip3,sudo -H以及一些其他方法,但是沒(méi)有效果。
以下方法最后解決了我的問(wèn)題:
sudo pip3 install --upgrade --force-reinstall --no-cache-dir jupyter
看完上述內(nèi)容,是不是對(duì)Jupyter因卸載重裝導(dǎo)致的問(wèn)題修復(fù)方案有進(jìn)一步的了解,如果還想學(xué)習(xí)更多內(nèi)容,歡迎關(guān)注億速云行業(yè)資訊頻道。
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