Check for n.Raft() to be nil, fixes #4053

dgraph-io · Oct 2, 2019 · a0793b9 · a0793b9
1 parent 051203a
commit a0793b9
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/worker/snapshot.go b/worker/snapshot.go
@@ -161,9 +161,10 @@ func doStreamSnapshot(snap *pb.Snapshot, out pb.Worker_StreamSnapshotServer) err
 
 func (w *grpcWorker) StreamSnapshot(stream pb.Worker_StreamSnapshotServer) error {
 	n := groups().Node
-	if n == nil {
+	if n == nil || n.Raft() == nil {
 		return conn.ErrNoNode
 	}
+
 	// Indicate that we're streaming right now. Used to cancel
 	// calculateSnapshot.  However, this logic isn't foolproof. A leader might
 	// have already proposed a snapshot, which it can apply while this streaming