From 3b75e2fe1938b65c8b77ea5ee93b4904b10f1d3f Mon Sep 17 00:00:00 2001
From: Bob Brown <bobbrow@microsoft.com>
Date: Fri, 10 Jul 2026 16:53:20 -0700
Subject: [PATCH] send telemetry for language client errors

---
 Extension/src/LanguageServer/client.ts | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Extension/src/LanguageServer/client.ts b/Extension/src/LanguageServer/client.ts
index 3410e7502..877dd63b6 100644
--- a/Extension/src/LanguageServer/client.ts
+++ b/Extension/src/LanguageServer/client.ts
@@ -1755,7 +1755,14 @@ export class DefaultClient implements Client {
             initializationOptions: lspInitializationOptions,
             middleware: createProtocolFilter(),
             errorHandler: {
-                error: (_error, _message, _count) => ({ action: ErrorAction.Continue }),
+                error: (error, message, count) => {
+                    telemetry.logLanguageServerEvent("languageClientError", {
+                        error: error.toString(),
+                        message: message?.toString() ?? '',
+                        count: count?.toString() ?? ''
+                    });
+                    return { action: ErrorAction.Continue };
+                },
                 closed: () => {
                     languageClientHasCrashed = true;
                     languageClientCrashTimes.push(Date.now());