SERVER-45009: Run onStepdown on the TransactionCoordinatorService to prevent tests from hanging at shutdown

(cherry picked from commit e4736e7d9e327eafe19e1281bb3942978ca3c353)

1 files changed, 5 insertions, 0 deletions

diff --git a/src/mongo/db/db.cpp b/src/mongo/db/db.cpp
index 008cec9d986..4d20f50a16f 100644
--- a/src/mongo/db/db.cpp
+++ b/src/mongo/db/db.cpp
@@ -123,6 +123,7 @@
 #include "mongo/db/s/shard_server_op_observer.h"
 #include "mongo/db/s/sharding_initialization_mongod.h"
 #include "mongo/db/s/sharding_state_recovery.h"
+#include "mongo/db/s/transaction_coordinator_service.h"
 #include "mongo/db/s/wait_for_majority_service.h"
 #include "mongo/db/server_options.h"
 #include "mongo/db/service_context.h"
@@ -942,6 +943,10 @@ void shutdownTask(const ShutdownTaskArgs& shutdownArgs) {
                 log() << "Failed to stepDown in non-command initiated shutdown path "
                       << e.toString();
             }
+
+            // Even if the replCoordinator failed to step down, ensure we still shut down the
+            // TransactionCoordinatorService (see SERVER-45009)
+            TransactionCoordinatorService::get(serviceContext)->onStepDown();
         }
     }