Config for Java about vim-lsc HOT 3 CLOSED

In https://github.com/eclipse/eclipse.jdt.ls#managing-connection-types it says "To use standard streams(stdin, stdout) of the server process do not set any of the above environment variables and the server will fall back to standard streams." - This is what you'll want for vim-lsc

What OS are you on? My suggestion would be to write a shell script or batch file to wrap up the (apparently extremely lengthy) arguments you need to start the server described here: https://github.com/eclipse/eclipse.jdt.ls#running-from-the-command-line

I'm afraid I can't help much with getting it running communicating of stdin/stdout beyond pointing to their documentation. You could file an issue there if you get stuck.

Once you have a command you can run which you believe is communicating over stdin/stdout you can try it by redirecting this file to stdin and seeing that it gives you some json output. (It will likely give an error since the root URI path is bogus - that's OK)

the_command_you_want_to_try < test/initialization_input

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@aiezue

I was able to get the Java language server that you referenced working. As Nate suggested, I created a wrapper script that I included on my PATH.

I downloaded the latest version of the server, and extracted the files. Be sure to update the jar and configuration properties in the wrapper script with the location that you extracted the server.

Wrapper script:

#!/bin/sh

java -Declipse.application=org.eclipse.jdt.ls.core.id1 \
     -Dosgi.bundles.defaultStartLevel=4 \
     -Declipse.product=org.eclipse.jdt.ls.core.product \
     -Dlog.protocol=true \
     -Dlog.level=ALL \
     -noverify \
     -Xmx1G \
     -jar <UPDATE>/plugins/org.eclipse.equinox.launcher_1.4.0.v20161219-1356.jar \
     -configuration <UPDATE>/config_linux \
     --add-modules=ALL-SYSTEM \
     --add-opens java.base/java.util=ALL-UNNAMED \
     --add-opens java.base/java.lang=ALL-UNNAMED

Reference in vimrc:

let g:lsc_server_commands = {'java': 'jdt_language_server'}

I'm using OpenJDK version 9, so your mileage may vary; Hope this helps!

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@cmpadden @natebosch Thanks a lot, I have already got it working now. I guess my problem is with the starting script.

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