Potential fix for pull request finding

ajcvickers · Copilot · web-flow · commit 2153d78aa3cb · 2026-03-19T13:55:46.000Z
Co-authored-by: Copilot Autofix powered by AI &lt;175728472+Copilot@users.noreply.github.com&gt;
diff --git a/src/MongoDB.Driver/Core/Connections/CommandEventHelper.cs b/src/MongoDB.Driver/Core/Connections/CommandEventHelper.cs
@@ -63,7 +63,7 @@ public CommandEventHelper(EventLogger<LogCategories.Command> eventLogger, Tracin
             if (_shouldTrackState)
             {
                 // we only need to track state if we have to raise
-                // a succeeded or failed event or for tracing
+                // a succeeded or failed event; tracing-only scenarios lazily initialize state in TrackCommandState
                 _state = new ConcurrentDictionary<int, CommandState>();
             }
         }

Original file line number	Diff line number	Diff line change
`@@ -63,7 +63,7 @@ public CommandEventHelper(EventLogger<LogCategories.Command> eventLogger, Tracin`
`63`	`63`	`if (_shouldTrackState)`
`64`	`64`	`{`
`65`	`65`	`// we only need to track state if we have to raise`
`66`		`- // a succeeded or failed event or for tracing`
	`66`	`+ // a succeeded or failed event; tracing-only scenarios lazily initialize state in TrackCommandState`
`67`	`67`	`_state = new ConcurrentDictionary<int, CommandState>();`
`68`	`68`	`}`
`69`	`69`	`}`