SERVER-116294 SetClusterParameterCoordinatorDocument crash on upgrade due to new non-optional field missing (#45965) (#46153)

GitOrigin-RevId: 95c9f75235bdc75c28dcb2a74cfef3eadcf207dc
2026-01-15 12:01:17 +01:00 · 2026-01-15 12:01:17 +01:00 · 7a9dabec9c
commit 7a9dabec9c
parent 45279cc75b
2 changed files with 2 additions and 1 deletions
--- a/src/mongo/db/s/config/configsvr_coordinator_service.cpp
+++ b/src/mongo/db/s/config/configsvr_coordinator_service.cpp
@ -159,7 +159,7 @@ void ConfigsvrCoordinatorService::checkIfConflictsWithOtherInstances(

    const auto stateDoc = SetClusterParameterCoordinatorDocument::parse(
        IDLParserContext("CoordinatorDocument"), initialState);
-    if (stateDoc.getCompatibleWithTopologyChange()) {
+    if (stateDoc.getCompatibleWithTopologyChange().value_or(false)) {
        return;
    }

--- a/src/mongo/db/s/config/set_cluster_parameter_coordinator_document.idl
+++ b/src/mongo/db/s/config/set_cluster_parameter_coordinator_document.idl
@ -79,3 +79,4 @@ structs:
                description:
                    "If true, this cluster parameter change can run during a topology
                    change"
+                optional: true