From 2747036aeebaddfb0c370b1071696f6a9dd488cd Mon Sep 17 00:00:00 2001
From: Bill Richards <bill.richards@temporal.io>
Date: Fri, 7 Nov 2025 19:59:08 +0000
Subject: [PATCH] opentelemetry: log TraceID/SpanID as hex strings (fixes
 #2103)

---
 contrib/opentelemetry/tracing_interceptor.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/contrib/opentelemetry/tracing_interceptor.go b/contrib/opentelemetry/tracing_interceptor.go
index 053b7565d..7d4f92ed9 100644
--- a/contrib/opentelemetry/tracing_interceptor.go
+++ b/contrib/opentelemetry/tracing_interceptor.go
@@ -223,8 +223,8 @@ func (t *tracer) GetLogger(logger log.Logger, ref interceptor.TracerSpanRef) log
 	}
 
 	logger = log.With(logger,
-		"TraceID", span.SpanContext().TraceID(),
-		"SpanID", span.SpanContext().SpanID(),
+		"TraceID", span.SpanContext().TraceID().String(),
+		"SpanID", span.SpanContext().SpanID().String(),
 	)
 
 	return logger