From f8865c48afc9e493241ad620cfb2bd058b4a1833 Mon Sep 17 00:00:00 2001
From: rubvs <ruben.vanstaden@elastic.co>
Date: Tue, 6 Aug 2024 09:51:22 -0400
Subject: [PATCH] fix otel exception message propagation (#13603)

---
 model/modelprocessor/errormessage.go      | 2 +-
 model/modelprocessor/errormessage_test.go | 3 +--
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/model/modelprocessor/errormessage.go b/model/modelprocessor/errormessage.go
index efc1c293..6094bbe9 100644
--- a/model/modelprocessor/errormessage.go
+++ b/model/modelprocessor/errormessage.go
@@ -32,7 +32,7 @@ func (s SetErrorMessage) ProcessBatch(ctx context.Context, b *modelpb.Batch) err
 	for i := range *b {
 		event := (*b)[i]
 		if event.Error != nil {
-			event.Message = s.setErrorMessage(event)
+			event.Error.Message = s.setErrorMessage(event)
 		}
 	}
 	return nil
diff --git a/model/modelprocessor/errormessage_test.go b/model/modelprocessor/errormessage_test.go
index 60757e18..dd94d82e 100644
--- a/model/modelprocessor/errormessage_test.go
+++ b/model/modelprocessor/errormessage_test.go
@@ -59,7 +59,6 @@ func TestSetErrorMessage(t *testing.T) {
 		processor := modelprocessor.SetErrorMessage{}
 		err := processor.ProcessBatch(context.Background(), &batch)
 		assert.NoError(t, err)
-		assert.Equal(t, test.message, batch[0].Message)
+		assert.Equal(t, test.message, batch[0].Error.Message)
 	}
-
 }