From dfa63bce9d32f7a1aa2b2c0c6b409d521839e892 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sun, 15 Mar 2026 20:21:20 +0000
Subject: [PATCH 1/2] Initial plan


From 0f98de9f51bbf2e6b8bd7a28335a4962608e3b78 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sun, 15 Mar 2026 20:37:04 +0000
Subject: [PATCH 2/2] Fix OTEL SDK teardown errors with vitest 4.1.0 upgrade

Co-authored-by: peter-leonov-ch <209667683+peter-leonov-ch@users.noreply.github.com>
---
 vitest.node.otel.js | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/vitest.node.otel.js b/vitest.node.otel.js
index 49a57216..7a011c5e 100644
--- a/vitest.node.otel.js
+++ b/vitest.node.otel.js
@@ -28,6 +28,25 @@ const sdk = new NodeSDK({
 })
 
 sdk.start()
-export default sdk
+
+// Wrap shutdown/forceFlush to gracefully handle unavailable OTEL endpoints
+// (e.g. when OTEL_EXPORTER_OTLP_ENDPOINT is not set in the environment)
+// Without this, vitest 4.1+ would propagate the ECONNREFUSED teardown error
+// and report the test run as failed even if all tests passed.
+export default new Proxy(sdk, {
+  get(target, prop, receiver) {
+    const value = Reflect.get(target, prop, receiver)
+    if ((prop === 'shutdown' || prop === 'forceFlush') && typeof value === 'function') {
+      return async (...args) => {
+        try {
+          await value.apply(target, args)
+        } catch (e) {
+          console.warn(`[OTEL] SDK ${String(prop)} error (endpoint may not be available):`, e.message)
+        }
+      }
+    }
+    return value
+  },
+})
 
 console.log('OTEL for Vitest initialized')