Re: strange bug after a fresh install

[Jeremie Juste <jeremiejuste@gmail.com>]

Hello Uwe,

if seems that the problem lies with ob-ipython.
I would suggest to remove ob-ipython to check and then perform a fresh
install of ob-ipython.

HTH,
Jeremie


Uwe Brauer <oub@mat.ucm.es> writes:

> Hi
>
> I freshly installed Ubuntu 20.04 and used the pre compiled Emacs 26, I
> copies also all my init files.
>
> When I open an org file I obtain an error message I don't understand and
> attach any help is appreciated
>
> Regards
>
> Uwe Brauer 
>
> Debugger entered--Lisp error: (json-readtable-error 47)
>   signal(json-readtable-error (47))
>   json-read()
>   json-read-from-string("/home/oub/.login: No such file or directory.\njupyter: Command not found.\n")
>   ob-ipython--get-kernels()
>   ob-ipython-auto-configure-kernels()
>   run-hooks(change-major-mode-after-body-hook text-mode-hook outline-mode-hook org-mode-hook)
>   apply(run-hooks (change-major-mode-after-body-hook text-mode-hook outline-mode-hook org-mode-hook))
>   run-mode-hooks(org-mode-hook)
>   org-mode()
>   set-auto-mode-0(org-mode nil)
>   set-auto-mode()
>   normal-mode(t)
>   after-find-file(nil t)
>   find-file-noselect-1(#<buffer INSTALL-Trusty.org> "~/kde3-trinity/INSTALL-Trusty.org" nil nil "~/kde3-trinity/INSTALL-Trusty.org" (17304181 66309))
>   find-file-noselect("/home/mjpons/kde3-trinity/INSTALL-Trusty.org" nil nil nil)
>   #f(compiled-function (filename &optional wildcards) "Edit file
> FILENAME.\nSwitch to a buffer visiting file FILENAME,\ncreating one if
> none already exists.\nInteractively, the default if you just type RET
> is the current directory,\nbut the visited file name is available
> through the minibuffer history:\ntype \\[next-history-element] to pull
> it into the minibuffer.\n\nThe first time \\[next-history-element] is
> used after Emacs prompts for\nthe file name, the result is affected by
> `file-name-at-point-functions',\nwhich by default try to guess the
> file name by looking at point in the\ncurrent buffer.  Customize the
> value of `file-name-at-point-functions'\nor set it to nil, if you want
> only the visited file name and the\ncurrent directory to be available
> on first \\[next-history-element]\nrequest.\n\nYou can visit files on
> remote machines by specifying something\nlike
> /ssh:SOME_REMOTE_MACHINE:FILE for the file name.  You can\nalso visit
> local files as a different user by specifying\n/sudo::FILE for the
> file name.\nSee the Info node `(tramp)File name Syntax' in the Tramp
> Info\nmanual, for more about this.\n\nInteractively, or if WILDCARDS
> is non-nil in a call from Lisp,\nexpand wildcards (if any) and visit
> multiple files.  You can\nsuppress wildcard expansion by setting
> `find-file-wildcards' to nil.\n\nTo visit a file without any kind of
> conversion and without\nautomatically choosing a major mode, use
> \\[find-file-literally]." (interactive #f(compiled-function ()
> #<bytecode 0x17441c1>)) #<bytecode
> 0x1b4a57>)("/home/mjpons/kde3-trinity/INSTALL-Trusty.org" nil)
>   ad-Advice-find-file(#f(compiled-function (filename &optional
> wildcards) "Edit file FILENAME.\nSwitch to a buffer visiting file
> FILENAME,\ncreating one if none already exists.\nInteractively, the
> default if you just type RET is the current directory,\nbut the
> visited file name is available through the minibuffer history:\ntype
> \\[next-history-element] to pull it into the minibuffer.\n\nThe first
> time \\[next-history-element] is used after Emacs prompts for\nthe
> file name, the result is affected by
> `file-name-at-point-functions',\nwhich by default try to guess the
> file name by looking at point in the\ncurrent buffer.  Customize the
> value of `file-name-at-point-functions'\nor set it to nil, if you want
> only the visited file name and the\ncurrent directory to be available
> on first \\[next-history-element]\nrequest.\n\nYou can visit files on
> remote machines by specifying something\nlike
> /ssh:SOME_REMOTE_MACHINE:FILE for the file name.  You can\nalso visit
> local files as a different user by specifying\n/sudo::FILE for the
> file name.\nSee the Info node `(tramp)File name Syntax' in the Tramp
> Info\nmanual, for more about this.\n\nInteractively, or if WILDCARDS
> is non-nil in a call from Lisp,\nexpand wildcards (if any) and visit
> multiple files.  You can\nsuppress wildcard expansion by setting
> `find-file-wildcards' to nil.\n\nTo visit a file without any kind of
> conversion and without\nautomatically choosing a major mode, use
> \\[find-file-literally]." (interactive #f(compiled-function ()
> #<bytecode 0x1744301>)) #<bytecode 0x1b4a57>)
> "/home/mjpons/kde3-trinity/INSTALL-Trusty.org")
>   apply(ad-Advice-find-file #f(compiled-function (filename &optional
> wildcards) "Edit file FILENAME.\nSwitch to a buffer visiting file
> FILENAME,\ncreating one if none already exists.\nInteractively, the
> default if you just type RET is the current directory,\nbut the
> visited file name is available through the minibuffer history:\ntype
> \\[next-history-element] to pull it into the minibuffer.\n\nThe first
> time \\[next-history-element] is used after Emacs prompts for\nthe
> file name, the result is affected by
> `file-name-at-point-functions',\nwhich by default try to guess the
> file name by looking at point in the\ncurrent buffer.  Customize the
> value of `file-name-at-point-functions'\nor set it to nil, if you want
> only the visited file name and the\ncurrent directory to be available
> on first \\[next-history-element]\nrequest.\n\nYou can visit files on
> remote machines by specifying something\nlike
> /ssh:SOME_REMOTE_MACHINE:FILE for the file name.  You can\nalso visit
> local files as a different user by specifying\n/sudo::FILE for the
> file name.\nSee the Info node `(tramp)File name Syntax' in the Tramp
> Info\nmanual, for more about this.\n\nInteractively, or if WILDCARDS
> is non-nil in a call from Lisp,\nexpand wildcards (if any) and visit
> multiple files.  You can\nsuppress wildcard expansion by setting
> `find-file-wildcards' to nil.\n\nTo visit a file without any kind of
> conversion and without\nautomatically choosing a major mode, use
> \\[find-file-literally]." (interactive #f(compiled-function ()
> #<bytecode 0x17ba42d>)) #<bytecode 0x1b4a57>)
> "/home/mjpons/kde3-trinity/INSTALL-Trusty.org")
>   find-file("/home/mjpons/kde3-trinity/INSTALL-Trusty.org")
>   dired-find-file()
>   funcall-interactively(dired-find-file)
>   call-interactively(dired-find-file nil nil)
>   command-execute(dired-find-file)