Communication between server and client

lsp.txt

2019/12/14 16:57:25 socat[1] N listening on AF=2 0.0.0.0:8010
2019/12/14 16:57:40 socat[1] N accepting connection from AF=2 127.0.0.1:35122 on AF=2 127.0.0.1:8010
2019/12/14 16:57:40 socat[1] N forked off child process 6
2019/12/14 16:57:40 socat[1] N listening on AF=2 0.0.0.0:8010
2019/12/14 16:57:40 socat[6] N forking off child, using socket for reading and writing
2019/12/14 16:57:40 socat[6] N forked off child process 7
2019/12/14 16:57:40 socat[6] N forked off child process 7
2019/12/14 16:57:40 socat[6] N starting data transfer loop with FDs [6,6] and [5,5]


>2019/12/14 16:57:40.290426  length=705 from=0 to=704
Content-Length: 682

2019/12/14 16:57:40 socat[7] N execvp'ing "./dist/lang_server_linux.sh"
{"jsonrpc": "2.0", "id": 0, "method": "initialize", "params": {"processId": "1", "rootPath": null, "rootUri": "file:///foo/files/", "initializationOptions": null, "capabilities": {"textDocument": {"complet
ion": {"completionItem": {"commitCharactersSupport": true, "documentationFormat": ["markdown", "plaintext"], "snippetSupport": true}, "completionItemKind": {"valueSet": [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12$
 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25]}, "contextSupport": true, "dynamicRegistration": false}, "formatting": {"dynamicRegistration": false}}, "workspace": {}}, "trace": "off", "workspaceFolder$
": [{"name": "lsp", "uri": "file:///foo/files/"}]}}

16:57:40.444  INFO    LSP connect     Reading messages from queue...
16:57:40.444  INFO    LSP$1MessageReader run  Placing incoming messages on queue...


<2019/12/14 16:57:40.490455  length=510 from=0 to=509
Content-Length: 487

{"jsonrpc":"2.0","id":0,"result":{"capabilities":{"textDocumentSync":2,"hoverProvider":true,"completionProvider":{"resolveProvider":true,"triggerCharacters":["."]},"signatureHelpProvider":{"triggerCharacters"
:["(",","]},"referencesProvider":true,"definitionProvider":true,"workspaceSymbolProvider":true,"documentSymbolProvider":true,"documentFormattingProvider":true,"codeLensProvider":{},"foldingRangeProvider":true
,"codeActionProvider":true,"renameProvider":{"prepareProvider":true}}}}

>2019/12/14 16:57:40.491428  length=79 from=705 to=783
Content-Length: 57

{"jsonrpc": "2.0", "method": "initialized", "params": {}}

>2019/12/14 16:57:40.491563  length=1166 from=784 to=1949
Content-Length: 904

{"jsonrpc": "2.0", "method": "textDocument/didOpen", "params": {"textDocument": {"uri": "file:///foo/files/K14Xpv0B8i.java", "languageId": "java", "version": 1, "text": "class foo {\\n    public int[] tw
oSum(int[] nums, int target) {\\n        String helloWorld = \\"Hello world\\";\\n        he\\n        Map<String, String> coolDict = new HashMap<String, String>();\\n        coolDict.put(\\"cool\\", \\"pret$
y cool\\");\\n        coolDic\\n        TreeNode root = new TreeNode(10);\\n        root.left = new TreeNode(5);\\n        root.right = new TreeNode(15);\\n\\n        ListNode dummyNode = new ListNode(0);\\n
       ListNode ptr = dummyNode;\\n        for (int i = 0; i < 10; i++) {\\n            ptr.next = new ListNode(i);\\n            ptr = ptr.next;\\n        }\\n\\n        List<Integer> ans = Arrays.asList(1,
2, 4); \\n        System.out.println(\\"foo\\\\n bar\\");\\n        return new int[2];\\n    }\\n}\\n"}}}Content-Length: 216

{"jsonrpc": "2.0", "id": 1, "method": "textDocument/completion", "params": {"textDocument": {"uri": "file:///foo/files/K14Xpv0B8i.java"}, "position": {"line": 3, "character": 10}, "context": {"triggerKi$
d": 1}}}

<2019/12/14 16:57:40.506537  length=292 from=510 to=801
Content-Length: 269

{"jsonrpc":"2.0","method":"client/registerCapability","params":{"id":"14cceaf8-ab09-4bab-9fcd-aa89ad7fb956","method":"workspace/didChangeWatchedFiles","registerOptions":{"watchers":[{"globPattern":"**/*.java$
},{"globPattern":"**/pom.xml"},{"globPattern":"**/BUILD"}]}}}

<2019/12/14 16:57:40.511857  length=108 from=802 to=909
Content-Length: 86

{"jsonrpc":"2.0","method":"java/startProgress","params":{"message":"Configure javac"}}

<2019/12/14 16:57:40.512457  length=130 from=910 to=1039
Content-Length: 107

{"jsonrpc":"2.0","method":"java/reportProgress","params":{"message":"Finding source roots","increment":-1}}

<2019/12/14 16:57:40.514152  length=130 from=1040 to=1169
Content-Length: 107

{"jsonrpc":"2.0","method":"java/reportProgress","params":{"message":"Inferring class path","increment":-1}}

<2019/12/14 16:57:40.514612  length=128 from=1170 to=1297
Content-Length: 105

{"jsonrpc":"2.0","method":"java/reportProgress","params":{"message":"Inferring doc path","increment":-1}}

<2019/12/14 16:57:40.514922  length=81 from=1298 to=1378
Content-Length: 59

{"jsonrpc":"2.0","method":"java/endProgress","params":null}16:57:40.521 INFO    ScanClassPath jdkTopLevelClasses Searching for top-level classes in the JDK
16:57:40.669    INFO    ScanClassPath jdkTopLevelClasses        Found 5792 classes in the java platform
Class path:
Doc path:
16:57:40.707    INFO    Docs findSrcZip Found /usr/lib/jvm/java-13-openjdk-amd64/lib/src.zip
16:57:40.759    INFO    ScanClassPath classPathTopLevelClasses  Searching for top-level classes in 0 classpath locations
16:57:40.764    INFO    ScanClassPath classPathTopLevelClasses  Found 0 classes in classpath
16:57:40.770    INFO    CompletionProvider complete     Complete at K14Xpv0B8i.java(4,11)...
16:57:40.948    WARNING ReusableCompiler getTask        Options changed from [--system, /usr/lib/jvm/java-13-openjdk-amd64, -classpath, , --add-modules, ALL-MODULE-PATH, -proc:none, -g, -Xlint:cast, -Xlint:de
precation, -Xlint:empty, -Xlint:fallthrough, -Xlint:finally, -Xlint:path, -Xlint:unchecked, -Xlint:varargs, -Xlint:static] to [--system, /usr/lib/jvm/java-13-openjdk-amd64, -classpath, , --add-modules, ALL-MO
DULE-PATH, -proc:none, -g, -Xlint:cast, -Xlint:deprecation, -Xlint:empty, -Xlint:fallthrough, -Xlint:finally, -Xlint:path, -Xlint:unchecked, -Xlint:varargs, -Xlint:static], creating new compiler
16:57:41.102    WARNING FileStore readInfoFromDisk      /foo/files/K14Xpv0B8i.java
16:57:41.103    SEVERE  LSP connect     null
java.lang.NullPointerException
        at org.javacs.FileStore.packageName(FileStore.java:150)
        at org.javacs.CompileBatch.packageName(CompileBatch.java:79)
        at org.javacs.CompileBatch.needsAdditionalSources(CompileBatch.java:60)
        at org.javacs.JavaCompilerService.doCompile(JavaCompilerService.java:77)
        at org.javacs.JavaCompilerService.loadCompile(JavaCompilerService.java:67)
        at org.javacs.JavaCompilerService.compileBatch(JavaCompilerService.java:93)
        at org.javacs.JavaCompilerService.compile(JavaCompilerService.java:349)
        at org.javacs.completion.CompletionProvider.compileAndComplete(CompletionProvider.java:151)
        at org.javacs.completion.CompletionProvider.complete(CompletionProvider.java:131)
        at org.javacs.JavaLanguageServer.completion(JavaLanguageServer.java:255)
        at org.javacs.lsp.LSP.connect(LSP.java:351)
        at org.javacs.Main.main(Main.java:30)



<2019/12/14 16:57:41.104361  length=70 from=1379 to=1448
Content-Length: 48

{"jsonrpc":"2.0","id":1,"error":{"code":-32603}}16:57:41.305    INFO    JavaLanguageServer lint Lint 1 files...
16:57:41.308    SEVERE  Main main       Compiler is already in-use!
java.lang.RuntimeException: Compiler is already in-use!
        at org.javacs.ReusableCompiler.getTask(ReusableCompiler.java:111)
        at org.javacs.CompileBatch.batchTask(CompileBatch.java:105)
        at org.javacs.CompileBatch.<init>(CompileBatch.java:30)
        at org.javacs.JavaCompilerService.doCompile(JavaCompilerService.java:76)
        at org.javacs.JavaCompilerService.loadCompile(JavaCompilerService.java:67)
        at org.javacs.JavaCompilerService.compileBatch(JavaCompilerService.java:93)
        at org.javacs.JavaCompilerService.compile(JavaCompilerService.java:349)
        at org.javacs.JavaCompilerService.compile(JavaCompilerService.java:344)
        at org.javacs.JavaLanguageServer.lint(JavaLanguageServer.java:61)
        at org.javacs.JavaLanguageServer.doAsyncWork(JavaLanguageServer.java:523)
        at org.javacs.lsp.LSP.connect(LSP.java:247)
        at org.javacs.Main.main(Main.java:30)

2019/12/14 16:57:41 socat[6] N childdied(): handling signal 17
2019/12/14 16:57:41 socat[6] E waitpid(): child 7 exited with status 1
2019/12/14 16:57:41 socat[6] N exit(1)
2019/12/14 16:57:41 socat[1] N childdied(): handling signal 17