Don't return 500s on checking to see if a remote server is allowed to see an event we don't know about
MODIFY
roomserver/internal/helpers/helpers.go
roomserver/internal/helpers/helpers.go
@@ -2,6 +2,8 @@ package helpers
import (
"context"
+ "database/sql"
+ "errors"
"fmt"
"github.com/matrix-org/dendrite/roomserver/api"
@@ -217,6 +219,9 @@ func CheckServerAllowedToSeeEvent(
roomState := state.NewStateResolution(db, info)
stateEntries, err := roomState.LoadStateAtEvent(ctx, eventID)
if err != nil {
+ if errors.Is(err, sql.ErrNoRows) {
+ return false, nil
+ }
return false, err
}

Don't return 500s on checking to see if a remote server is allowed to see an event we don't know about (#1490)