GNU bug report logs - #75592
29.4; Eglot Invalid Slot Name Error

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Заболотько <zabolotko <at> gmail.com>, João Távora <joaotavora <at> gmail.com>
Cc: 75592 <at> debbugs.gnu.org
Subject: bug#75592: 29.4; Eglot Invalid Slot Name Error
Date: Sat, 18 Jan 2025 12:35:09 +0200

> From: Заболотько
>  <zabolotko <at> gmail.com>
> Date: Wed, 15 Jan 2025 19:33:47 +0300
> 
> 1. Start 'emacs -Q'.
> 2. M-x toggle-debug-on-error
> 3. C-x d (open with dired directory with one file only) ~/development/temp/
> 4. Open with dired the `hello.hs`file with following content:
> main :: IO ()
> main = putStrLn "Hello, World!"
> 5. M-x eglot
> 6. On prompt:
> "[eglot] Couldn't guess LSP server for `fundamental-mode'
> Enter program to execute (or <host>:<port>):" insert  (without double quotes):
> "haskell-language-server-wrapper" (I use language server 2.9.0.1 installed from
> https://www.haskell.org/ghcup/ )
> 7. See *Backtrace* buffer with following content:
> Debugger entered--Lisp error: (invalid-slot-name "#<eglot-lsp-server eglot-lsp-server-622e880>" :
> events-buffer-config)
>   signal(invalid-slot-name ("#<eglot-lsp-server eglot-lsp-server-622e880>" :events-buffer-config))
>   slot-missing(#<eglot-lsp-server eglot-lsp-server-622e880> :events-buffer-config oset (:size 2000000 :
> format full))
>   #f(compiled-function (obj slots) "Set slots of OBJ with SLOTS which is a list of name/value pairs.\nCalled
> from the constructor routine." #<bytecode 0x4d3c53d9d153c9d>)(#<eglot-lsp-server
> eglot-lsp-server-622e880> (:name "EGLOT (temp/nil)" :events-buffer-config (:size 2000000 :format full) :
> notification-dispatcher #f(compiled-function (server method params) #<bytecode -0xa304162ee590761>) :
> request-dispatcher #f(compiled-function (server method params) #<bytecode -0xa304164fd190761>) :
> on-shutdown eglot--on-shutdown :process #f(compiled-function () #<bytecode 0x150da166786d1c9>)))
>   apply(#f(compiled-function (obj slots) "Set slots of OBJ with SLOTS which is a list of name/value
> pairs.\nCalled from the constructor routine." #<bytecode 0x4d3c53d9d153c9d>) #<eglot-lsp-server
> eglot-lsp-server-622e880> (:name "EGLOT (temp/nil)" :events-buffer-config (:size 2000000 :format full) :
> notification-dispatcher #f(compiled-function (server method params) #<bytecode -0xa304162ee590761>) :
> request-dispatcher #f(compiled-function (server method params) #<bytecode -0xa304164fd190761>) :
> on-shutdown eglot--on-shutdown :process #f(compiled-function () #<bytecode 0x150da166786d1c9>)))
>   shared-initialize(#<eglot-lsp-server eglot-lsp-server-622e880> (:name "EGLOT (temp/nil)" :
> events-buffer-config (:size 2000000 :format full) :notification-dispatcher #f(compiled-function (server method
> params) #<bytecode -0xa304162ee590761>) :request-dispatcher #f(compiled-function (server method
> params) #<bytecode -0xa304164fd190761>) :on-shutdown eglot--on-shutdown :process #f
> (compiled-function () #<bytecode 0x150da166786d1c9>)))
>   #f(compiled-function (this &optional args) "Construct the new object THIS based on ARGS.\nARGS is a
> property list where odd numbered elements are tags, and\neven numbered elements are the values to store
> in the tagged slot.\nIf you overload the `initialize-instance', there you will need to\ncall `shared-initialize'
> yourself, or you can call `call-next-method'\nto have this constructor called automatically.  If these steps
> are\nnot taken, then new objects of your class will not have their values\ndynamically set from ARGS."
> #<bytecode -0xc0e7c8a2fa1d037>)(#<eglot-lsp-server eglot-lsp-server-622e880> (:name "EGLOT
> (temp/nil)" :events-buffer-config (:size 2000000 :format full) :notification-dispatcher #f(compiled-function
> (server method params) #<bytecode -0xa304162ee590761>) :request-dispatcher #f(compiled-function
> (server method params) #<bytecode -0xa304164fd190761>) :on-shutdown eglot--on-shutdown :process #f
> (compiled-function () #<bytecode 0x150da166786d1c9>)))
>   apply(#f(compiled-function (this &optional args) "Construct the new object THIS based on ARGS.\nARGS is
> a property list where odd numbered elements are tags, and\neven numbered elements are the values to
> store in the tagged slot.\nIf you overload the `initialize-instance', there you will need to\ncall
> `shared-initialize' yourself, or you can call `call-next-method'\nto have this constructor called automatically. 
> If these steps are\nnot taken, then new objects of your class will not have their values\ndynamically set from
> ARGS." #<bytecode -0xc0e7c8a2fa1d037>) (#<eglot-lsp-server eglot-lsp-server-622e880> (:name "EGLOT
> (temp/nil)" :events-buffer-config (:size 2000000 :format full) :notification-dispatcher #f(compiled-function
> (server method params) #<bytecode -0xa304162ee590761>) :request-dispatcher #f(compiled-function
> (server method params) #<bytecode -0xa304164fd190761>) :on-shutdown eglot--on-shutdown :process #f
> (compiled-function () #<bytecode 0x150da166786d1c9>))))
>   #f(compiled-function (&rest args) #<bytecode -0x7469b45b80f08a1>)()
>   #f(compiled-function (cl--cnm conn slots) #<bytecode -0x14404b963fc58a34>)(#f(compiled-function (&rest
> args) #<bytecode -0x7469b45b80f08a1>) #<eglot-lsp-server eglot-lsp-server-622e880> (:name "EGLOT
> (temp/nil)" :events-buffer-config (:size 2000000 :format full) :notification-dispatcher #f(compiled-function
> (server method params) #<bytecode -0xa304162ee590761>) :request-dispatcher #f(compiled-function
> (server method params) #<bytecode -0xa304164fd190761>) :on-shutdown eglot--on-shutdown :process #f
> (compiled-function () #<bytecode 0x150da166786d1c9>)))
>   apply(#f(compiled-function (cl--cnm conn slots) #<bytecode -0x14404b963fc58a34>) #f(compiled-function
> (&rest args) #<bytecode -0x7469b45b80f08a1>) (#<eglot-lsp-server eglot-lsp-server-622e880> (:name
> "EGLOT (temp/nil)" :events-buffer-config (:size 2000000 :format full) :notification-dispatcher #f
> (compiled-function (server method params) #<bytecode -0xa304162ee590761>) :request-dispatcher #f
> (compiled-function (server method params) #<bytecode -0xa304164fd190761>) :on-shutdown
> eglot--on-shutdown :process #f(compiled-function () #<bytecode 0x150da166786d1c9>))))
>   #f(compiled-function (conn slots) #<bytecode 0x1a07daaf8f3cb5bc>)(#<eglot-lsp-server
> eglot-lsp-server-622e880> (:name "EGLOT (temp/nil)" :events-buffer-config (:size 2000000 :format full) :
> notification-dispatcher #f(compiled-function (server method params) #<bytecode -0xa304162ee590761>) :
> request-dispatcher #f(compiled-function (server method params) #<bytecode -0xa304164fd190761>) :
> on-shutdown eglot--on-shutdown :process #f(compiled-function () #<bytecode 0x150da166786d1c9>)))
>   apply(#f(compiled-function (conn slots) #<bytecode 0x1a07daaf8f3cb5bc>) (#<eglot-lsp-server
> eglot-lsp-server-622e880> (:name "EGLOT (temp/nil)" :events-buffer-config (:size 2000000 :format full) :
> notification-dispatcher #f(compiled-function (server method params) #<bytecode -0xa304162ee590761>) :
> request-dispatcher #f(compiled-function (server method params) #<bytecode -0xa304164fd190761>) :
> on-shutdown eglot--on-shutdown :process #f(compiled-function () #<bytecode 0x150da166786d1c9>))))
>   #f(compiled-function (&rest args) #<bytecode -0x1621c4701db306c8>)(#<eglot-lsp-server
> eglot-lsp-server-622e880> (:name "EGLOT (temp/nil)" :events-buffer-config (:size 2000000 :format full) :
> notification-dispatcher #f(compiled-function (server method params) #<bytecode -0xa304162ee590761>) :
> request-dispatcher #f(compiled-function (server method params) #<bytecode -0xa304164fd190761>) :
> on-shutdown eglot--on-shutdown :process #f(compiled-function () #<bytecode 0x150da166786d1c9>)))
>   apply(#f(compiled-function (&rest args) #<bytecode -0x1621c4701db306c8>) #<eglot-lsp-server
> eglot-lsp-server-622e880> (:name "EGLOT (temp/nil)" :events-buffer-config (:size 2000000 :format full) :
> notification-dispatcher #f(compiled-function (server method params) #<bytecode -0xa304162ee590761>) :
> request-dispatcher #f(compiled-function (server method params) #<bytecode -0xa304164fd190761>) :
> on-shutdown eglot--on-shutdown :process #f(compiled-function () #<bytecode 0x150da166786d1c9>)))
>   initialize-instance(#<eglot-lsp-server eglot-lsp-server-622e880> (:name "EGLOT (temp/nil)" :
> events-buffer-config (:size 2000000 :format full) :notification-dispatcher #f(compiled-function (server method
> params) #<bytecode -0xa304162ee590761>) :request-dispatcher #f(compiled-function (server method
> params) #<bytecode -0xa304164fd190761>) :on-shutdown eglot--on-shutdown :process #f
> (compiled-function () #<bytecode 0x150da166786d1c9>)))
>   #f(compiled-function (class &rest slots) "Default constructor for CLASS `eieio-default-superclass'.\nSLOTS
> are the initialization slots used by `initialize-instance'.\nThis static method is called when an object is
> constructed.\nIt allocates the vector used to represent an EIEIO object, and then\ncalls `initialize-instance'
> on that object." #<bytecode -0xba659127071561a>)(eglot-lsp-server :name "EGLOT (temp/nil)" :
> events-buffer-config (:size 2000000 :format full) :notification-dispatcher #f(compiled-function (server method
> params) #<bytecode -0xa304162ee590761>) :request-dispatcher #f(compiled-function (server method
> params) #<bytecode -0xa304164fd190761>) :on-shutdown eglot--on-shutdown :process #f
> (compiled-function () #<bytecode 0x150da166786d1c9>))
>   apply(#f(compiled-function (class &rest slots) "Default constructor for CLASS
> `eieio-default-superclass'.\nSLOTS are the initialization slots used by `initialize-instance'.\nThis static method
> is called when an object is constructed.\nIt allocates the vector used to represent an EIEIO object, and
> then\ncalls `initialize-instance' on that object." #<bytecode -0xba659127071561a>) eglot-lsp-server (:name
> "EGLOT (temp/nil)" :events-buffer-config (:size 2000000 :format full) :notification-dispatcher #f
> (compiled-function (server method params) #<bytecode -0xa304162ee590761>) :request-dispatcher #f
> (compiled-function (server method params) #<bytecode -0xa304164fd190761>) :on-shutdown
> eglot--on-shutdown :process #f(compiled-function () #<bytecode 0x150da166786d1c9>)))
>   make-instance(eglot-lsp-server :name "EGLOT (temp/nil)" :events-buffer-config (:size 2000000 :format full)
> :notification-dispatcher #f(compiled-function (server method params) #<bytecode -0xa304162ee590761>) :
> request-dispatcher #f(compiled-function (server method params) #<bytecode -0xa304164fd190761>) :
> on-shutdown eglot--on-shutdown :process #f(compiled-function () #<bytecode 0x150da166786d1c9>))
>   apply(make-instance eglot-lsp-server :name "EGLOT (temp/nil)" :events-buffer-config (:size 2000000 :
> format full) :notification-dispatcher #f(compiled-function (server method params) #<bytecode -
> 0xa304162ee590761>) :request-dispatcher #f(compiled-function (server method params) #<bytecode -
> 0xa304164fd190761>) :on-shutdown eglot--on-shutdown (:process #f(compiled-function () #<bytecode
> 0x150da166786d1c9>)))
>   eglot--connect(nil (transient . "/home/nop/development/temp/") eglot-lsp-server
> ("haskell-language-server-wrapper") nil)
>   eglot(nil (transient . "/home/nop/development/temp/") eglot-lsp-server ("haskell-language-server-wrapper")
> nil t)
>   funcall-interactively(eglot nil (transient . "/home/nop/development/temp/") eglot-lsp-server
> ("haskell-language-server-wrapper") nil t)
>   command-execute(eglot record)
>   execute-extended-command(nil "eglot" "eglot")
>   funcall-interactively(execute-extended-command nil "eglot" "eglot")
>   command-execute(execute-extended-command)

João, could you please look into this?

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