add null check to userSessions

This commit is contained in:
Athou
2024-02-09 17:18:18 +01:00
parent b38bd8c312
commit 9691517335

View File

@@ -38,7 +38,7 @@ public class WebSocketSessions {
public void sendMessage(User user, String text) {
Set<Session> userSessions = sessions.get(user.getId());
if (!userSessions.isEmpty()) {
if (userSessions != null && !userSessions.isEmpty()) {
log.debug("sending '{}' to {} users via websocket", text, userSessions.size());
for (Session userSession : userSessions) {
if (userSession.isOpen()) {