From be6210d742e409a59c5cb79989d264df67a2b8de Mon Sep 17 00:00:00 2001
From: "github-actions[bot]"
 <41898282+github-actions[bot]@users.noreply.github.com>
Date: Wed, 5 Mar 2025 10:11:24 +0800
Subject: [PATCH] branch-2.1: [improve](load) improve error message "unknown
 load_id" #47509 (#48639)

Cherry-picked from #47509

Co-authored-by: Kaijie Chen <chenkaijie@selectdb.com>
---
 be/src/runtime/load_channel_mgr.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/be/src/runtime/load_channel_mgr.cpp b/be/src/runtime/load_channel_mgr.cpp
index d236645b1f..3e4a9c658b 100644
--- a/be/src/runtime/load_channel_mgr.cpp
+++ b/be/src/runtime/load_channel_mgr.cpp
@@ -122,8 +122,10 @@ Status LoadChannelMgr::_get_load_channel(std::shared_ptr<LoadChannel>& channel,
                 return Status::OK();
             }
         }
-        return Status::InternalError("fail to add batch in load channel. unknown load_id={}",
-                                     load_id.to_string());
+        return Status::InternalError<false>(
+                "Fail to add batch in load channel: unknown load_id={}. "
+                "This may be due to a BE restart. Please retry the load.",
+                load_id.to_string());
     }
     channel = it->second;
     return Status::OK();