Re: Java-mode Debug question ?

[Eli Zaretskii]

> From: Francis Belliveau <f.belliveau@comcast.net>
> Date: Sat, 17 Nov 2018 12:39:34 -0500
> 
> I am running emacs Version 26.1 (9.0) on OSX 10.13.6
> I know that I downloaded and installed this earlier this year and have not 
> used Java-mode, or c-mode, with this version until today.
> 
> When I try entering Java-mode I get an error indicating that there is a 
> problem, with a key-map.  This happens with c-mode also.  Clearly there is 
> something wrong with the install, but I have no clue where to look for the 
> problem.
> 
> Setting debug-on-error provides the following information:
> 
> Debugger entered--Lisp error: (wrong-type-argument keymapp nil)
>   define-key(nil "\003\005" c-macro-expand)
>   autoload-do-load((autoload "cc-mode" 889279 t nil) java-mode)
>   command-execute(java-mode record)
>   execute-extended-command(nil "java-mode" "java-mode")
>   funcall-interactively(execute-extended-command nil "java-mode" "java-mode")
>   call-interactively(execute-extended-command nil nil)
>   command-execute(execute-extended-command)
> 
> Any help will be appreciated.

Does "M-x list-load-path-shadows RET" give any clue?