From c931a445031587d8fff26087ed6c19aa2a030a88 Mon Sep 17 00:00:00 2001 From: Dave Henderson Date: Thu, 6 Jun 2024 21:33:08 -0400 Subject: [PATCH] storage: Avoid panic when no previous versions in history (#88880) Signed-off-by: Dave Henderson --- pkg/services/store/entity/sqlstash/sql_storage_server.go | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/pkg/services/store/entity/sqlstash/sql_storage_server.go b/pkg/services/store/entity/sqlstash/sql_storage_server.go index d033944a380..76024024dae 100644 --- a/pkg/services/store/entity/sqlstash/sql_storage_server.go +++ b/pkg/services/store/entity/sqlstash/sql_storage_server.go @@ -1095,6 +1095,11 @@ func (s *sqlEntityServer) poll(since int64, out chan *entity.EntityWatchResponse return err } + if len(history.Versions) == 0 { + ctxLogger.Error("error reading previous entity", "guid", updated.Guid, "err", "no previous version found") + return errors.New("no previous version found") + } + result.Previous = history.Versions[0] }