jdtls

Eclipse JDT Language Server provides Java code intelligence — diagnostics, go-to-definition, find references, hover info, and code completion for .java files.

Java

backend

Requires Language Server Binary

This LSP server requires jdtlsto be installed on your system. Make sure it's available in your PATH before enabling.

Add to Your Project

Copy this JSON into your .lsp.json to enable this server

Add to your .lsp.json or plugin.json:

{
  "lspServers": {
    "jdtls": {
      "command": "jdtls",
      "extensionToLanguage": {
        ".java": "java"
      }
    }
  }
}

Supported Languages

File extensions mapped to language identifiers

java

.java

Details

Server configuration and transport parameters

Commandjdtls

Transportstdio

Advanced Configuration

Initialization options and workspace settings

Startup Timeout:120000ms

Restart on Crash:Yes

Stats

LanguagePython

Parent stars32,174

Parent forks3,580

MaintenancePoor

Last CommitFeb 20, 2026

Actions

Stats

Actions