Log when setting priority on a noop span (#5086)

iunanua · web-flow · commit 98e733fb825e · 2025-01-09T15:16:36.000+01:00
diff --git a/packages/dd-trace/src/priority_sampler.js b/packages/dd-trace/src/priority_sampler.js
@@ -122,7 +122,10 @@ class PrioritySampler {
     const context = this._getContext(span)
     const root = context._trace.started[0]
 
-    if (!root) return // noop span
+    if (!root) {
+      log.error('Skipping the setPriority on noop span')
+      return // noop span
+    }
 
     context._sampling.priority = samplingPriority
     context._sampling.mechanism = mechanism
