From 1eddbef33157de41f5ba96ce6b5dc6a1a4dc4478 Mon Sep 17 00:00:00 2001
From: Trask Stalnaker <trask.stalnaker@gmail.com>
Date: Sun, 13 Jul 2025 08:55:10 -0700
Subject: [PATCH] Fix null exception message error

---
 .../autoconfigure/implementation/SpanDataMapper.java            | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sdk/monitor/azure-monitor-opentelemetry-autoconfigure/src/main/java/com/azure/monitor/opentelemetry/autoconfigure/implementation/SpanDataMapper.java b/sdk/monitor/azure-monitor-opentelemetry-autoconfigure/src/main/java/com/azure/monitor/opentelemetry/autoconfigure/implementation/SpanDataMapper.java
index e953f426857c..05c425eaff34 100644
--- a/sdk/monitor/azure-monitor-opentelemetry-autoconfigure/src/main/java/com/azure/monitor/opentelemetry/autoconfigure/implementation/SpanDataMapper.java
+++ b/sdk/monitor/azure-monitor-opentelemetry-autoconfigure/src/main/java/com/azure/monitor/opentelemetry/autoconfigure/implementation/SpanDataMapper.java
@@ -835,6 +835,8 @@ static void setExceptions(String stack, Attributes attributes, ExceptionTelemetr
         String message = attributes.get(SemanticAttributes.EXCEPTION_MESSAGE);
         if (message != null && !message.isEmpty()) {
             builder.setMessage(message);
+        } else {
+            builder.setMessage(type); // Breeze rejects exceptions without a message
         }
         builder.setStack(stack);
         telemetryBuilder.setExceptions(singletonList(builder));