From 08fffd3bc24b3058fd6e615c2f45cc3b6c796dfd Mon Sep 17 00:00:00 2001
From: Hui Liu <hui.liu@snowflake.com>
Date: Mon, 24 Apr 2023 17:38:56 -0700
Subject: [PATCH] Empty check before calling openContainer on it (#10044)

---
 fdbserver/Status.actor.cpp | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/fdbserver/Status.actor.cpp b/fdbserver/Status.actor.cpp
index 4c23674ea76..04599f4825a 100644
--- a/fdbserver/Status.actor.cpp
+++ b/fdbserver/Status.actor.cpp
@@ -2485,13 +2485,15 @@ ACTOR static Future<JsonBuilderObject> blobGranulesStatusFetcher(
 		// Mutation log backup
 		state std::string mlogsUrl = wait(getMutationLogUrl());
 		statusObj["mutation_log_location"] = mlogsUrl;
-		state Reference<IBackupContainer> bc = IBackupContainer::openContainer(mlogsUrl, {}, {});
-		BackupDescription desc = wait(timeoutError(bc->describeBackup(), 2.0));
-		if (desc.contiguousLogEnd.present()) {
-			statusObj["mutation_log_end_version"] = desc.contiguousLogEnd.get();
-		}
-		if (desc.minLogBegin.present()) {
-			statusObj["mutation_log_begin_version"] = desc.minLogBegin.get();
+		if (mlogsUrl != "") {
+			state Reference<IBackupContainer> bc = IBackupContainer::openContainer(mlogsUrl, {}, {});
+			BackupDescription desc = wait(timeoutError(bc->describeBackup(), 2.0));
+			if (desc.contiguousLogEnd.present()) {
+				statusObj["mutation_log_end_version"] = desc.contiguousLogEnd.get();
+			}
+			if (desc.minLogBegin.present()) {
+				statusObj["mutation_log_begin_version"] = desc.minLogBegin.get();
+			}
 		}
 	} catch (Error& e) {
 		if (e.code() == error_code_actor_cancelled)