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What works

I have installed emacs-eclim and have it working in my Java buffers. For example, I can invoke eclim-java-refactor-rename-symbol-at-point or eclim-java-show-documentation-for-current-element and they behave as expected.

I can run eclim-complete, and I receive a list of correct completions in another buffer.

I evaluate something like company-emacs-eclim--candidates "Object.") in a java buffer, and I get a list of completion candidates.

Without any eclim backends, company also works as expected.

What doesn't work

Hoping to get eclim completion candidates in my Java buffers, I added the following lines to my .emacs:

(require 'company-emacs-eclim)
(company-emacs-eclim-setup)

However, I do not get eclim completions as expected. If I invoke company-emacs-eclim explicitly, I get the error "Cannot complete at point", with the following backtrace:

Debugger entered--Lisp error: (error "Cannot complete at point")
  signal(error ("Cannot complete at point"))
  error("Cannot complete at point")
  company-begin-backend(company-emacs-eclim)
  company-emacs-eclim(interactive)
  ad-Orig-call-interactively(company-emacs-eclim record nil)
  call-interactively(company-emacs-eclim record nil)
  command-execute(company-emacs-eclim record)
  execute-extended-command(nil "company-emacs-eclim")
  smex-read-and-run(("toggle-debug-on-error" "company-emacs-eclim" ...))
  smex()
  ad-Orig-call-interactively(smex nil nil)
  call-interactively(smex nil nil)

Version information

GNU Emacs 24.3.1 (x86_64-pc-linux-gnu, GTK+ Version 3.10.7) of 2014-03-07 on lamiak, modified by Debian

emacs-eclim 20150502.516

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2
  • Well if the answer wasn't solve, M-TAB is same as 'eclim-complete' for me and it is default key binding.
    – Vivian Maya
    May 21, 2015 at 0:54
  • Ah, I see, thank you. Yes, eclim-complete works for me (see section "What works"). I get a list of completions in another buffer, and clicking on them inserts the completion (along with the annotation, which isn't too useful). What I'm trying to do here is integrate those completions with company (the typical way to do this is with company-emacs-eclim), so that the completion candidates appear in a dropdown automatically. Ideally it would also autocomplete without the annotation, and with yasnippet integration for inserting arguments.
    – Matthew Piziak
    May 21, 2015 at 14:08

1 Answer 1

Reset to default
2

Try enabling eclim-mode when editing the file. That should bring up the completion automatically.

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2
  • Adding (eclim-mode) to my java mode hooks did the trick. Thank you!
    – Matthew Piziak
    May 22, 2015 at 18:26
  • Doesn't work for me. Using company mode. Won't complete at point, but completes everything else.
    – Justin Thomas
    Mar 1, 2017 at 23:53

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