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Merge pull request #308 from andwilley/docs/update-java-example

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Add detail about potential troubleshooting. Recommend jsdls_extension…
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mergify[bot] 2020-11-28 11:51:17 +00:00 • committed by GitHub
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@ -1426,16 +1426,20 @@ use it with Vimspector.
} }
``` ```
* Tell YCM to load the debugger plugin and create a mapping, such as * Tell YCM to load the debugger plugin. This should be the `gadgets/<os>`
`<leader><F5>` to start the debug server and launch vimspector, e.g. in directory, not any specific adapter. e.g. in `.vimrc`
`~/.vim/ftplugin/java.vim`:
```viml ```viml
" Tell YCM where to find the plugin. Add to any existing values. " Tell YCM where to find the plugin. Add to any existing values.
let g:ycm_java_jdtls_extension_path = [ let g:ycm_java_jdtls_extension_path = [
\ '</path/to/Vimspector/gadgets/<os>' \ '</path/to/Vimspector/gadgets/<os>'
\ ] \ ]
```
* Create a mapping, such as `<leader><F5>` to start the debug server and launch
vimspector, e.g. in `~/.vim/ftplugin/java.vim`:
```viml
let s:jdt_ls_debugger_port = 0 let s:jdt_ls_debugger_port = 0
function! s:StartDebugging() function! s:StartDebugging()
if s:jdt_ls_debugger_port <= 0 if s:jdt_ls_debugger_port <= 0
@ -1461,6 +1465,18 @@ nnoremap <silent> <buffer> <Leader><F5> :call <SID>StartDebugging()<CR>
You can then use `<Leader><F5>` to start debugging rather than just `<F5>`. You can then use `<Leader><F5>` to start debugging rather than just `<F5>`.
If you see "Unable to get DAP port - is JDT.LS initialized?", try running
`:YcmCompleter ExecuteCommand vscode.java.startDebugSession` and note the
output. If you see an error like `ResponseFailedException: Request failed:
-32601: No delegateCommandHandler for vscode.java.startDebugSession`, make sure
that:
* Your YCM jdt.ls is actually working, see the
[YCM docs](https://github.com/ycm-core/YouCompleteMe#troubleshooting) for
troubleshooting
* The YCM jdt.ls has had time to initialize before you start the debugger
* That `g:ycm_java_jdtls_extension_path` is set in `.vimrc` or prior to YCM
starting
For the launch arguments, see the For the launch arguments, see the
[vscode document](https://code.visualstudio.com/docs/java/java-debugging). [vscode document](https://code.visualstudio.com/docs/java/java-debugging).