From 89828cc28a35d4fd3af3d1a2a2304d4fdf1b75c0 Mon Sep 17 00:00:00 2001
From: Prathyush PV <prathyush.pv@temporal.io>
Date: Thu, 9 Jan 2025 15:36:23 -0800
Subject: [PATCH] Do not print error when reading tasks from an empty dlq using
 tdbg

---
 tools/tdbg/dlq_v2_service.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/tdbg/dlq_v2_service.go b/tools/tdbg/dlq_v2_service.go
index 80644765dd6..4fc1bad18cd 100644
--- a/tools/tdbg/dlq_v2_service.go
+++ b/tools/tdbg/dlq_v2_service.go
@@ -193,6 +193,10 @@ func (ac *DLQV2Service) ReadMessages(c *cli.Context) (err error) {
 			}
 			res, err := adminClient.GetDLQTasks(ctx, request)
 			if err != nil {
+				// If the DLQ does not exist yet, it's effectively empty, so we can safely return without an error.
+				if strings.Contains(err.Error(), "queue not found:") {
+					return nil, nil, nil
+				}
 				return nil, nil, fmt.Errorf("call to GetDLQTasks from ReadMessages failed: %w", err)
 			}
 			return res.DlqTasks, res.NextPageToken, nil