File mode specification error: (lsp-timed-out-error)

[ram535]

I had successfully configure cquery and a dart server with lsp-mode.
I am trying to configure lsp-javacomp but I have been not successful so far.

This is the error I receive when I open a java file after waiting around 6 seconds.

File mode specification error: (lsp-timed-out-error)

I installed the server with this commands:

M-x lsp-javacomp-install-server
M-x lsp-javacomp-update-server

This is part of my configuration:

     (use-package lsp-mode
       :config
       (require 'lsp-flycheck))

   (use-package lsp-javacomp
   :config
   (setq lsp-javacomp-server-install-dir "~/.emacs.d/javacomp/")
   (add-hook 'java-mode-hook #'lsp-javacomp-enable))

     (use-package company
       :diminish ""
       :bind (:map company-active-map
                   ("C-j" . company-select-next)
                   ("C-k" . company-select-previous))
       :custom
       (company-idle-delay 0.3)
       :config
       (push 'company-capf company-backends)
       (global-company-mode))

     (use-package company-lsp
       :config
       (setq company-lsp-enable-recompletion t)
       (setq company-lsp-async t)
       (setq company-lsp-enable-snippet t)
       (push 'company-lsp company-backends))

This is the layout of where I am testing this configuration:

.
├── javacomp.json
└── Test.java

javacomp.json

{
  "logPath": "/tmp/javacomp.log",
  "logLevel": "fine",
}

Test.java

public class Test {
   public static void main(String[] args) {
      System.out.println("Hello, java");
   }
}

[tigersoldier]

Can you paste the content of the *lsp-javacomp* buffer?

If the buffer doesn't exist, can you paste the content of the /tmp/javacomp.log file?

[ram535]

lsp-javacomp stderr buffer

Exception in thread "main" java.lang.NoClassDefFoundError: sun/misc/SharedSecrets
	at org.javacomp.logging.JLogger.findCallerStackTraceElement(JLogger.java:158)
	at org.javacomp.logging.JLogger.log(JLogger.java:148)
	at org.javacomp.logging.JLogger.fine(JLogger.java:140)
	at org.javacomp.server.io.RequestReader.fillBuffer(RequestReader.java:144)
	at org.javacomp.server.io.RequestReader.readLine(RequestReader.java:66)
	at org.javacomp.server.RequestParser.parseHeader(RequestParser.java:58)
	at org.javacomp.server.RequestParser.parse(RequestParser.java:42)
	at org.javacomp.server.RequestDispatcher.dispatchRequest(RequestDispatcher.java:62)
	at org.javacomp.server.JavaComp.run(JavaComp.java:97)
	at org.javacomp.server.JavaComp.main(JavaComp.java:239)
Caused by: java.lang.ClassNotFoundException: sun.misc.SharedSecrets
	at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:582)
	at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:185)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:496)
	... 10 more

[tigersoldier]

Hmm, JavaComp doesn't work on Java 9. I filed a bug at tigersoldier/JavaComp#6. Will work on a fix and publish a release.

[tigersoldier]

JavaComp v1.1.1 is released with the fix. Please run M-x lsp-javacomp-update-server and restart Emacs or re-open all .java files.

BTW, you javacomp.json config is not necessary. logPath and logLevel are for debugging JavaComp only. Setting logPath to fine may crash Emacs due to too many content sent to the *lsp-javacomp* buffer.

[ram535]

Yes, now it is working.
Thanks a lot.