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Jeremey Zela avatar image
Jeremey Zela asked

UE4 Multiplayer Server Connection Issues and Crash

In last 24 hours our game servers (UE4 w/GDSK) started to periodically (14 times) record various network errors to the logfiles and crash, disconnecting active players:

[2022.05.06-03.31.57:572][768]LogHttp: Warning: 000001A498A4C020: invalid HTTP response code received. URL: https://7DD01.playfabapi.com/CloudScript/ExecuteFunction?sdk=UE4MKPL-1.52.210111, HTTP code: 0, content length: 0, actual payload size: 0
[2022.05.06-03.31.57:572][768]LogHttp: Warning: 000001A498A4C020: request failed, libcurl error: 6 (Couldn't resolve host name)
[2022.05.06-03.31.57:572][768]LogHttp: Warning: 000001A498A4C020: libcurl info message cache 0 (Connection 22 seems to be dead!)
[2022.05.06-03.31.57:573][768]LogHttp: Warning: 000001A498A4C020: libcurl info message cache 1 (Closing connection 22)
[2022.05.06-03.31.57:573][768]LogHttp: Warning: 000001A498A4C020: libcurl info message cache 2 (TLSv1.2 (OUT), TLS alert, close notify (256):)
[2022.05.06-03.31.57:573][768]LogHttp: Warning: 000001A498A4C020: libcurl info message cache 3 (Could not resolve host: 7DD01.playfabapi.com)
[2022.05.06-03.31.57:573][768]LogHttp: Warning: 000001A498A4C020: libcurl info message cache 4 (Closing connection 23)
[2022.05.06-03.31.57:573][768]LogPlayFab: Error: Request failed: https://7DD01.playfabapi.com/CloudScript/ExecuteFunction?sdk=UE4MKPL-1.52.210111
[2022.05.06-03.32.54:191][445]LogWindows: Error: === Critical error: ===
[2022.05.06-03.32.54:191][445]LogWindows: Error: 
[2022.05.06-03.32.54:191][445]LogWindows: Error: Fatal error!
[2022.05.06-03.32.54:191][445]LogWindows: Error: 
[2022.05.06-03.32.54:191][445]LogWindows: Error: Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x0000000100000000
[2022.05.06-03.32.54:191][445]LogWindows: Error: 
[2022.05.06-03.32.54:192][445]LogWindows: Error: [Callstack] 0x00007ff668647555 BattleBandsServer.exe!UnknownFunction []
[2022.05.06-03.32.54:192][445]LogWindows: Error: [Callstack] 0x00007ff668680dee BattleBandsServer.exe!UnknownFunction []
[2022.05.06-03.32.54:192][445]LogWindows: Error: [Callstack] 0x00007ff66861657b BattleBandsServer.exe!UnknownFunction []
[2022.05.06-03.32.54:192][445]LogWindows: Error: [Callstack] 0x00007ff6684e3978 BattleBandsServer.exe!UnknownFunction []
[2022.05.06-03.32.54:192][445]LogWindows: Error: [Callstack] 0x00007ff6684ec3cd BattleBandsServer.exe!UnknownFunction []
[2022.05.06-03.32.54:192][445]LogWindows: Error: [Callstack] 0x00007ff668617bd6 BattleBandsServer.exe!UnknownFunction []
[2022.05.06-03.32.54:192][445]LogWindows: Error: [Callstack] 0x00007ff6684e3978 BattleBandsServer.exe!UnknownFunction []
[2022.05.06-03.32.54:192][445]LogWindows: Error: [Callstack] 0x00007ff66ae215f1 BattleBandsServer.exe!UnknownFunction []
[2022.05.06-03.32.54:192][445]LogWindows: Error: [Callstack] 0x00007ff66854b4c3 BattleBandsServer.exe!UnknownFunction []
[2022.05.06-03.32.54:192][445]LogWindows: Error: [Callstack] 0x00007ff6684fa76e BattleBandsServer.exe!UnknownFunction []
[2022.05.06-03.32.54:192][445]LogWindows: Error: [Callstack] 0x00007ff668540ff8 BattleBandsServer.exe!UnknownFunction []
[2022.05.06-03.32.54:192][445]LogWindows: Error: [Callstack] 0x00007ff668506fc7 BattleBandsServer.exe!UnknownFunction []
[2022.05.06-03.32.54:192][445]LogWindows: Error: [Callstack] 0x00007ff668570d2f BattleBandsServer.exe!UnknownFunction []
[2022.05.06-03.32.54:193][445]LogWindows: Error: [Callstack] 0x00007ff66b9e5ced BattleBandsServer.exe!UnknownFunction []
[2022.05.06-03.32.54:193][445]LogWindows: Error: [Callstack] 0x00007ff66b2f89cc BattleBandsServer.exe!UnknownFunction []
[2022.05.06-03.32.54:193][445]LogWindows: Error: [Callstack] 0x00007ff66b15575e BattleBandsServer.exe!UnknownFunction []
[2022.05.06-03.32.54:193][445]LogWindows: Error: [Callstack] 0x00007ff666734f6d BattleBandsServer.exe!UnknownFunction []
[2022.05.06-03.32.54:193][445]LogWindows: Error: [Callstack] 0x00007ff6667484dd BattleBandsServer.exe!UnknownFunction []
[2022.05.06-03.32.54:193][445]LogWindows: Error: [Callstack] 0x00007ff66674859a BattleBandsServer.exe!UnknownFunction []
[2022.05.06-03.32.54:193][445]LogWindows: Error: [Callstack] 0x00007ff666758800 BattleBandsServer.exe!UnknownFunction []
[2022.05.06-03.32.54:193][445]LogWindows: Error: [Callstack] 0x00007ff66cb8d8fe BattleBandsServer.exe!UnknownFunction []
[2022.05.06-03.32.54:193][445]LogWindows: Error: [Callstack] 0x00007ffc57fa7974 KERNEL32.DLL!UnknownFunction []
[2022.05.06-03.32.54:193][445]LogWindows: Error: [Callstack] 0x00007ffc63e2a2f1 ntdll.dll!UnknownFunction []
[2022.05.06-03.32.54:193][445]LogWindows: Error: 
[2022.05.06-03.32.54:202][445]LogExit: Executing StaticShutdownAfterError


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Jeremey Zela avatar image Jeremey Zela commented ·

Just to follow-up: no code changes or builds had been done for about a week. So it just sort of popped out of the blue.

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Made Wang avatar image
Made Wang answered

Is this error still appearing?

I found that you received some error messages about ExecuteFunction/EntityTokenExpired from May 5th to May 6th, I guess that’s why lines 1 and 8 report errors. Entity Token is valid for 24 hours, you can get TokenExpiration in login or GetEntityToken callback to know the expiration time.

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