Error processing message

[innerout]

Hello I have been trying to setup lsp-latex with my latex projects but I am unable to make it work.

I have been getting the message below:

Error processing message (wrong-type-argument symbolp "-pdf")

I have tried setting lsp-latex-build-executable and lsp-latex-build-args but their values do not change.

To setup lsp-latex in my config I used the code below:

(use-package lsp-latex
  :ensure t
  :init
  (with-eval-after-load "LaTeX-mode"
    (add-hook 'tex-mode-hook 'lsp)
    (add-hook 'latex-mode-hook 'lsp)
    (add-hook 'LaTeX-mode-hook 'lsp)))

(use-package lsp-mode
  :ensure t
  :commands lsp
  :hook
  (scala-mode . lsp)
  (sh-mode . lsp)
  (cmake-mode . lsp)
  (LaTeX-mode . lsp)
  (yaml-mode . lsp)
  :init
  (setq lsp-diagnostic-package :flycheck)
  (setq lsp-enable-indentation nil)
  (setq lsp-enable-on-type-formatting nil)
  (setq lsp-enable-snippet t)
  (setq lsp-report-if-no-buffer t)
  (setq lsp-signature-auto-activate t)
  (setq read-process-output-max (* 1024 1024 3))
  (with-eval-after-load 'lsp-mode
    (add-hook 'lsp-mode-hook #'lsp-enable-which-key-integration)))

Do you know what am I missing and texlab does not work?

[ROCKTAKEY]

@innerout Thanks for your issue. Could you run toggle-debug-on-error and give me the backtrace of the error?

I have tried setting lsp-latex-build-executable and lsp-latex-build-args but their values do not change.

It is strange. I cannot understand.
You used setq or set-variable but the value is not changed, isn't it?

[innerout]

I tried both setq and set-variable but nothing changed. I attach the backtrace. error.txt

[soberpeach]

I'm getting the same error with the same backtrace.

[ROCKTAKEY]

@innerout @soberpeach Thanks for your report, and I feel sorry for late reply. json-serialize might be a function introduced on emacs-27, and I cannot get the function on pre-built emacs-27. Could you tell me Emacs version, OS, and how to get or build your emacs?

[innerout]

No worries about the small delay in the reply. I am using the master branch version of Emacs and I am using Arch-Linux. To build my Emacs specifically, you need to use the emacs-git package in AUR.

[soberpeach]

I'm also using the emacs-git package in the AUR in Arch Linux, which is on emacs version 28.0.50. I think json-serialize was introduced in emacs 27.

[ROCKTAKEY]

@innerout @soberpeach Thank you, both! I reproduce the bug, and I detected that its cause is " json-serialize cannot recognize normal list (not plist or alist) as array in json." This value should be vector. I will somehow fix it.

[ROCKTAKEY]

The bug may be fixed. If not, please reopen this issue. Thanks!