java.lang.NullPointerException: Cannot invoke

"java.util.concurrent.CompletableFuture.thenRun(java.lang.Runnable)" because "this.initializeFuture" is null Fixes #748 Signed-off-by: azerr <[email protected]>
redhat-developer · Mar 31, 2023 · 02ba90c · 02ba90c
1 parent afa96c3
commit 02ba90c
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/main/java/com/redhat/devtools/intellij/quarkus/lsp4ij/LanguageServerWrapper.java b/src/main/java/com/redhat/devtools/intellij/quarkus/lsp4ij/LanguageServerWrapper.java
@@ -323,7 +323,11 @@ public synchronized void start() throws IOException {
             initializeFuture = languageServer.initialize(initParams).thenAccept(res -> {
                 serverCapabilities = res.getCapabilities();
                 this.initiallySupportsWorkspaceFolders = supportsWorkspaceFolders(serverCapabilities);
-            }).thenRun(() -> {
+            });
+            initializeFuture.thenRun(() -> {
+            	// Here we call languageServer.initialized which will send to this IJ LSP client several 'client/registerCapability' 
+            	// which will call the private method registerCapability(RegistrationParams params)
+            	// See https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#client_registerCapability
                 this.languageServer.initialized(new InitializedParams());
             });