From 7f34ec4c3c7c098adefc6f556367e561ffac3cac Mon Sep 17 00:00:00 2001
From: achains <achains@yandex-team.com>
Date: Mon, 23 Feb 2026 19:41:41 +0300
Subject: YT-26837: do not log at Error level if error is expected

* Changelog entry
  Type: fix
  Component: cpp-sdk

Introduce TExpectedErrorGuard that prevents logging expected error at Error level in the scope.

<Message for release notes>
commit_hash:e11ec54f57024002d18c26edd3fdfc9a9bf1e3a7
---
 yt/cpp/mapreduce/client/client.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'yt/cpp/mapreduce/client/client.cpp')

diff --git a/yt/cpp/mapreduce/client/client.cpp b/yt/cpp/mapreduce/client/client.cpp
index 0fdcf8b4ccf..fa17cf5230c 100644
--- a/yt/cpp/mapreduce/client/client.cpp
+++ b/yt/cpp/mapreduce/client/client.cpp
@@ -16,6 +16,7 @@
 #include "transaction_pinger.h"
 #include "yt_poller.h"
 
+#include <yt/cpp/mapreduce/common/expected_error_guard.h>
 #include <yt/cpp/mapreduce/common/helpers.h>
 #include <yt/cpp/mapreduce/common/retry_lib.h>
 
@@ -77,6 +78,11 @@ void ApplyProxyUrlAliasingRules(
     }
 }
 
+bool IsCrossCellDisabledError(const TErrorResponse& e)
+{
+    return e.GetError().ContainsErrorCode(NClusterErrorCodes::NObjectClient::CrossCellAdditionalPath);
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 
 } // namespace
@@ -209,6 +215,8 @@ TNodeId TClientBase::Copy(
     const TYPath& destinationPath,
     const TCopyOptions& options)
 {
+    TExpectedErrorGuard guard(IsCrossCellDisabledError);
+
     try {
         return RequestWithRetry<TNodeId>(
             ClientRetryPolicy_->CreatePolicyForGenericRequest(),
@@ -216,7 +224,7 @@ TNodeId TClientBase::Copy(
                 return RawClient_->CopyInsideMasterCell(mutationId, TransactionId_, sourcePath, destinationPath, options);
             });
     } catch (const TErrorResponse& e) {
-        if (e.GetError().ContainsErrorCode(NClusterErrorCodes::NObjectClient::CrossCellAdditionalPath)) {
+        if (IsCrossCellDisabledError(e)) {
             // Do transaction for cross cell copying.
             return RequestWithRetry<TNodeId>(
                 ClientRetryPolicy_->CreatePolicyForGenericRequest(),
-- 
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