Got it working, BUT getting some odd warnings and client freeze

[andrius3000]

I got it working in UE 5.0.3 on Windows, with a server and two clients, but every time a client connects, the server logs the following warning:

[2022.12.19-17.57.40:544][ 80]LogOnlineSession: Warning: OSS: No game present to join for session (GameSession)

And then when a player leaves, I see the following:

[2022.12.19-17.58.15:633][128]LogOnlineSession: Warning: OSS: No game present to leave for session (GameSession)

Additionally, when the last client tries to exit the server, via either Alt+F4 or Ctrl+C in the terminal, the client process freezes and I have to force close it with Task Manager.

I tried adding higher player count and more spawn points to map, and it didn’t change anything.

Here’s my server launch command:

"C:\Program Files\Epic Games\UE_5.0\Engine\Binaries\Win64\UnrealEditor-Cmd.exe" "C:\Users\andri\Workspace\UnrealTutorials\Multiplayer\Multiplayer01\Multiplayer01.uproject"  /Game/ThirdPerson/Maps/ThirdPersonMap?listen?bIsLanMatch=0 -server -log

Client Command:

"C:\Program Files\Epic Games\UE_5.0\Engine\Binaries\Win64\UnrealEditor-Cmd.exe" "C:\Users\andri\Workspace\UnrealTutorials\Multiplayer\Multiplayer01\Multiplayer01.uproject" <IPAddress> -game -log

[beegeedee]

Are you closing the server first or the client? If you close the server or rather the one hosting, this would cause the client to hang.

[andrius3000]

No, the server is still running.

[beegeedee]

Anything in the console when trying to exit? it could be there’s a variable that is no longer valid and causing the game to hang. the log may indicate such an issue.

[andrius3000]

I can’t seem to reproduce it. I think it was searching in the command window, which blocked execution.

Thanks!

[beegeedee]

Glad you got it sorted.