how to start language server in socket mode and wait for client to connect?

[1014661165]

In the readme.md it says that the jdtls can only set CLIENT_HOST and CLIENT_PORT environment variables before starting the server in socket mode, but it is unusual to common socket server usage. Could jdtls works like normal socket server? I mean to start it and wait for the connecting of clients?

[snjeza]

@1014661165 you can try

• set the following environment variables

export CLIENT_PORT=5036
export CLIENT_HOST=localhost

• start the server with

env socket.stream.debug=true java \
-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=1045 \
-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 ./plugins/org.eclipse.equinox.launcher_*.jar \
-configuration ./config_linux -data ~/myworkspace \
--add-modules=ALL-SYSTEM --add-opens java.base/java.util=ALL-UNNAMED \
--add-opens java.base/java.lang=ALL-UNNAMED \
-consoleLog -debug

See Running from the command line

• open https://github.com/redhat-developer/vscode-java in VS Code
• run Launch Extension - JDLS Client
• debug the server on port 1045

[rgrunber]

Closing for now, but if there's issues with the instructions feel free to re-open.